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This HTML-formatted table is based on a WMO document.
Please consult the original WMO document for more details and for possible notes.
Links to classes: 01 02 03 04 05 08 10 11 13 15 19 20 21 22 23 24 25 26 29 30 31 33 35 40 42
C 001003
0 Antarctica
1 Region I
2 Region II
3 Region III
4 Region IV
5 Region V
6 Region VI
7 Missing value
C 001007
0 Reserved
1 ERS1
2 ERS2
3 METOP-1 (Metop-B)
4 METOP-2 (Metop-A)
5 METOP-3 (Metop-C)
20 SPOT1
21 SPOT2
22 SPOT3
23 SPOT4
40 OERSTED
41 CHAMP
42 TerraSAR-X
43 TanDEM-X
44 PAZ
46 SMOS
47 CryoSat-2
48 AEOLUS
50 METEOSAT 3
51 METEOSAT 4
52 METEOSAT 5
53 METEOSAT 6
54 METEOSAT 7
55 METEOSAT 8
56 METEOSAT 9
57 METEOSAT 10
58 METEOSAT 1
59 METEOSAT 2
60 ENVISAT
61 Sentinel 3A
62 Sentinel 1A
63 Sentinel 1B
64 Sentinel 5P
65 Sentinel 3B
70 METEOSAT 11
120 ADEOS
121 ADEOS II
122 GCOM-W1
140 GOSAT
150 GMS 3
151 GMS 4
152 GMS 5
153 GMS
154 GMS 2
171 MTSAT-1R
172 MTSAT-2
173 Himawari-8
174 Himawari-9
200 NOAA 8
201 NOAA 9
202 NOAA 10
203 NOAA 11
204 NOAA 12
205 NOAA 14
206 NOAA 15
207 NOAA 16
208 NOAA 17
209 NOAA 18
220 LANDSAT 5
221 LANDSAT 4
222 LANDSAT 7
223 NOAA 19
224 NPP
225 NOAA 20
226 NOAA 21
240 DMSP 7
241 DMSP 8
242 DMSP 9
243 DMSP 10
244 DMSP 11
245 DMSP 12
246 DMSP 13
247 DMSP 14
248 DMSP 15
249 DMSP 16
250 GOES 6
251 GOES 7
252 GOES 8
253 GOES 9
254 GOES 10
255 GOES 11
256 GOES 12
257 GOES 13
258 GOES 14
259 GOES 15
260 JASON 1
261 JASON 2
262 JASON 3
269 Spire Lemur 3U CubeSat
270 GOES 16
271 GOES 17
272 GOES 18
273 GOES 19
281 QUIKSCAT
282 TRMM
283 CORIOLIS
285 DMSP17
286 DMSP18
287 DMSP 19
288 GPM-core
289 Orbiting Carbon Observatory - 2 (OCO-2, NASA)
310 GOMS 1
311 GOMS 2
320 METEOR 2-21
321 METEOR 3-5
322 METEOR 3M-1
323 METEOR 3M-2
341 RESURS 01-4
410 KALPANA-1
421 Oceansat-2
422 ScatSat-1
430 INSAT 1B
431 INSAT 1C
432 INSAT 1D
440 Megha-Tropiques
441 SARAL
450 INSAT 2A
451 INSAT 2B
452 INSAT 2E
470 INSAT 3A
471 INSAT 3D
472 INSAT 3E
473 INSAT 3DR
474 INSAT 3DS
500 FY-1C
501 FY-1D
502 Hai Yang 2A (HY-2A, SOA/NSOAS China)
510 FY-2
512 FY-2B
513 FY-2C
514 FY-2D
515 FY-2E
516 FY-2F
517 FY-2G
520 FY3A
521 FY-3B
522 FY-3C
523 FY-3D
530 FY-4A
700 TIROS M (ITOS 1)
701 NOAA 1
702 NOAA 2
703 NOAA 3
704 NOAA 4
705 NOAA 5
706 NOAA 6
707 NOAA 7
708 TIROS-N
710 GOES (SMS 1)
711 GOES (SMS 2)
720 TOPEX
721 GFO (GEOSAT follow-on)
722 GRACE A
723 GRACE B
724 COSMIC-2 P1
725 COSMIC-2 P2
726 COSMIC-2 P3
727 COSMIC-2 P4
728 COSMIC-2 P5
729 COSMIC-2 P6
731 GOES 1
732 GOES 2
733 GOES 3
734 GOES 4
735 GOES 5
740 COSMIC-1
741 COSMIC-2
742 COSMIC-3
743 COSMIC-4
744 COSMIC-5
745 COSMIC-6
750 COSMIC-2 E1
751 COSMIC-2 E2
752 COSMIC-2 E3
753 COSMIC-2 E4
754 COSMIC-2 E5
755 COSMIC-2 E6
763 NIMBUS 3
764 NIMBUS 4
765 NIMBUS 5
766 NIMBUS 6
767 NIMBUS 7
780 ERBS
781 UARS
782 EARTH PROBE
783 TERRA
784 AQUA
785 AURA
786 C/NOFS
787 CALIPSO
788 CloudSat
800 SUNSAT
801 International Space Station (ISS)
810 COMS-1
811 COMS-2
812 SCISAT-1
813 ODIN
820 SAC-C
821 SAC-D
825 KOMPSAT-5
850 Combination of TERRA and AQUA
851 Combination of NOAA 16 to NOAA 19
852 Combination of Metop-1 to Metop-3
853 Combination of METEOSAT and DMSP
854 Non-specific mixture of geostationary and low Earth-orbiting satellites
855 Combination of INSAT 3D and INSAT 3DR
1023 Missing value
65535 Missing value
other numbers: Reserved
C 001024
0 No wind speed data available
1 AMSR-E data
2 TMI data
3 NWP: ECMWF
4 NWP: UK Met Office
5 NWP: NCEP
6 Reference climatology
7 ERS_Scatterometer
31 Missing value
8-30 Reserved for future use
C 001028
0 No AOD data available
1 NESDIS
2 NAVOCEANO
3 NAAPS
4 MERIS
5 AATSR
31 Missing value
6-30 Reserved for future use
C 001029
0 No SSI data available
1 MSG_SEVIRI
2 GOES East
3 GOES West
4 ECMWF
5 NCEP
6 UK Met Office
31 Missing value
7-30 Reserved for future use
(See 0'01'033, which should be used instead for encoding)
C 001033
0 WMO Secretariat
1 Melbourne
2 Melbourne
3 (reserved)
4 Moscow
5 Moscow
6 (reserved)
7 US National Weather Service, National Centres for Environmental Prediction (NCEP)
8 US National Weather Service Telecommunications Gateway (NWSTG)
9 US National Weather Service - Other
10 Cairo (RSMC)
11 (reserved)
12 Dakar (RSMC)
13 (reserved)
14 Nairobi (RSMC)
15 (reserved)
16 Casablanca (RSMC)
17 Tunis (RSMC)
18 Tunis-Casablanca (RSMC)
19 (reserved)
20 Las Palmas
21 Algiers (RSMC)
22 ACMAD
23 Mozambique (NMC)
24 Pretoria (RSMC)
25 La Reunion (RSMC)
26 Khabarovsk (RSMC)
27 (reserved)
28 New Delhi (RSMC)
29 (reserved)
30 Novosibirsk (RSMC)
31 (reserved)
32 Tashkent (RSMC)
33 Jeddah (RSMC)
34 Tokyo (RSMC), Japan Meteorological Agency
35 (reserved)
36 Bangkok
37 Ulan Bator
38 Beijing (RSMC)
39 (reserved)
40 Seoul
41 Buenos Aires (RSMC)
42 (reserved)
43 Brasilia (RSMC)
44 (reserved)
45 Santiago
46 Brazilian Space Agency - INPE
47 Colombia NMC
48 Ecuador NMC
49 Peru NMC
50 Venezuela NMC
51 Miami (RSMC)
52 Miami (RSMC), National Hurricane Centre
53 Montreal (RSMC)
54 (reserved)
55 San Francisco
56 ARINC Centre
57 US Air Force - Air Force Global Weather Central
58 Fleet Numerical Meteorology and Oceanography Center, Monterey, CA, USA
59 The NOAA Forecast Systems Laboratory, Boulder, CO, USA
60 United States National Centre for Atmospheric Research (NCAR)
61 Service ARGOS - Landover
62 US Naval Oceanographic Office
63 IRI (International Research Institute for Climate and Society)
64 Honolulu (RSMC)
65 Darwin (RSMC)
66 (reserved)
67 Melbourne (RSMC)
68 (reserved)
69 Wellington (RSMC)
70 (reserved)
71 Nadi (RSMC)
72 Singapore
73 Malaysia NMC
74 UK Meteorological Office - Exeter (RSMC)
75 (reserved)
76 Moscow (RSMC)
77 Reserved
78 Offenbach (RSMC)
79 (reserved)
80 Rome (RSMC)
81 (reserved)
82 Norrköping
83 (reserved)
84 Toulouse (RSMC)
85 Toulouse (RSMC)
86 Helsinki
87 Belgrade
88 Oslo
89 Prague
90 Episkopi
91 Ankara
92 Frankfurt/Main
93 London (WAFC)
94 Copenhagen
95 Rota
96 Athens
97 European Space Agency (ESA)
98 European Centre for Medium-range Weather Forecasts (ECMWF), (RSMC)
99 De Bilt
100 Brazzaville
101 Abidjan
102 Libyan Arab Jamahiriya NMC
103 Madagascar NMC
104 Mauritius NMC
105 Niger NMC
106 Seychelles NMC
107 Uganda NMC
108 Tanzania NMC
109 Zimbabwe NMC
110 Hong-Kong, China
111 Afghanistan NMC
112 Bahrain NMC
113 Bangladesh NMC
114 Bhutan NMC
115 Cambodia NMC
116 Democratic People's Republic of Korea NMC
117 Islamic Republic of Iran NMC
118 Iraq NMC
119 Kazakhstan NMC
120 Kuwait NMC
121 Kyrgyz Republic NMC
122 Lao People's Democratic Republic NMC
123 Macao, China
124 Maldives NMC
125 Myanmar NMC
126 Nepal NMC
127 Oman NMC
128 Pakistan NMC
129 Qatar NMC
130 Republic of Yemen NMC
131 Sri Lanka, NMC
132 Tajikistan NMC
133 Turkmenistan NMC
134 United Arab Emirates NMC
135 Uzbekistan, NMC
136 Socialist Republic of Viet Nam NMC
140 Bolivia NMC
141 Guyana NMC
142 Paraguay NMC
143 Suriname NMC
144 Uruguay NMC
145 French Guyana
146 Brazilian Navy Hydrographic Centre
147 COmision Nacional de Actividades Espaciales (CONAE) - Argentina
150 Antigua and Barbuda NMC
151 Bahamas NMC
152 Barbados NMC
153 Belize NMC
154 British Caribbean Territories Centre
155 San Jose
156 Cuba NMC
157 Dominica NMC
158 Dominican Republic NMC
159 El Salvador NMC
160 US NOAA/NESDIS
161 US NOAA Office of Oceanic and Atmospheric Research
162 Guatemala NMC
163 Haiti NMC
164 Honduras NMC
165 Jamaica NMC
166 Mexico
167 Netherlands Antilles and Aruba NMC
168 Nicaragua NMC
169 Panama NMC
170 Saint Lucia NMC
171 Trinidad and Tobago NMC
172 French Departments in RA IV
173 US National Aeronautics and Space Administration (NASA)
174 Integrated System Data Management/Marine Environmental Data Service (ISDM/MEDS - Canada)
175 University Corporation for Atmospheric Research (UCAR) - United States
176 Cooperative Institute for Meteorological Satellite Studies (CIMSS) - United States
177 NOAA National Ocean Service - United States
178 Spire Global, Inc.
190 Cook Islands NMC
191 French Polynesia NMC
192 Tonga NMC
193 Vanuatu NMC
194 Brunei Darussalam NMC
195 Indonesia NMC
196 Kiribati NMC
197 Federated States of Micronesia NMC
198 New Caledonia NMC
199 Niue
200 Papua New Guinea NMC
201 Philippines NMC
202 Samoa NMC
203 Solomon Islands NMC
204 National Institute of Water and Atmospheric Research (NIWA – New Zealand)
210 Frascati (ESA/ESRIN)
211 Lannion
212 Lisboa
213 Reykjavik
214 Madrid
215 Zrich
216 Service ARGOS Toulouse
217 Bratislava
218 Budapest
219 Ljubljana
220 Warsaw
221 Zagreb
222 Albania NMC
223 Armenia NMC
224 Austria NMC
225 Azerbaijan NMC
226 Belarus NMC
227 Belgium NMC
228 Bosnia and Herzegovina NMC
229 Bulgaria NMC
230 Cyprus NMC
231 Estonia NMC
232 Georgia NMC
233 Dublin
234 Israel NMC
235 Jordan NMC
236 Latvia NMC
237 Lebanon NMC
238 Lithuania NMC
239 Luxembourg
240 Malta NMC
241 Monaco
242 Romania NMC
243 Syrian Arab Republic NMC
244 The former Yugoslav Republic of Macedonia NMC
245 Ukraine NMC
246 Republic of Moldova NMC
247 Operational Programme for the Exchange of weather RAdar information (OPERA) - EUMETNET
248 Montenegro (NMC)
249 Barcelona Dust Forecast Center
250 COnsortium for Small scale MOdelling (COSMO)
251 Meteorological Cooperation on Operational NWP (MetCoOp)
252 Max Planck Institute for Meteorology (MPI-M)
253 Reserved for other centres
254 EUMETSAT Operation Centre
255 Missing value
256-999 Not applicable
137-139 Reserved for other centres
148-149 Reserved for other centres
175-189 Reserved for other centres
205-209 Reserved for other centres
(To be defined by centres themselves)
Please consult WMO manual for this code table.
C 001035
0 WMO Secretariat
1 Melbourne
2 Melbourne
3 (reserved)
4 Moscow
5 Moscow
6 (reserved)
7 US National Weather Service, National Centres for Environmental Prediction(NCEP)
8 US National Weather Service TelecommunicationsGateway (NWSTG)
9 US National Weather Service - Other
10 Cairo (RSMC)
11 (reserved)
12 Dakar (RSMC)
13 (reserved)
14 Nairobi (RSMC)
15 (reserved)
16 Casablanca (RSMC)
17 Tunis (RSMC)
18 Tunis Casablanca (RSMC)
19 (reserved)
20 Las Palmas
21 Algiers (RSMC)
22 ACMAD
23 Mozambique NMC
24 Pretoria (RSMC)
25 La Reunion (RSMC)
26 Khabarovsk (RSMC)
27 (reserved)
28 New Delhi (RSMC)
29 (reserved)
30 Novosibirsk (RSMC)
31 (reserved)
32 Tashkent (RSMC)
33 Jeddah (RSMC)
34 Tokyo (RSMC), Japan Meteorological Agency
35 (reserved)
36 Bangkok
37 Ulan Bator
38 Beijing (RSMC)
39 (reserved)
40 Seoul
41 Buenos Aires (RSMC)
42 (reserved)
43 Brasilia (RSMC)
44 (reserved)
45 Santiago
46 Brazilian Space Agency - INPE
47 Colombia NMC
48 Ecuador NMC
49 Peru NMC
50 Venezuela NMC
51 Miami (RSMC)
52 Miami RSMC, National Hurricane Center
53 MSC Monitoring
54 Montreal (RSMC)
55 San Francisco
56 ARINC Centre
57 U.S. Air Force Air Force Global Weather Central
58 Fleet Numerical Meteorology and Oceanography Center, Monterey, CA
59 The NOAA Forecast Systems Laboratory, Boulder, CO, USA
60 United States National Centre for Atmospheric Research (NCAR)
61 Service ARGOS - Landover
62 U.S. Naval Oceanographic Office
63 IRI (International Research Institute for Climate and Society)
64 Honolulu (RSMC)
65 Darwin (RSMC)
66 (reserved)
67 Melbourne (RSMC)
68 Reserved
69 Wellington (RSMC)
70 (reserved)
71 Nadi (RSMC)
72 Singapore
73 Malaysia NMC
74 UK Meteorological Office - Exeter (RSMC)
75 (reserved)
76 Moscow (RSMC)
77 Reserved
78 Offenbach (RSMC)
79 (reserved)
80 Rome (RSMC)
81 (reserved)
82 Norrkoping
83 (reserved)
84 Toulouse (RSMC)
85 Toulouse (RSMC)
86 Helsinki
87 Belgrade
88 Oslo
89 Prague
90 Episkopi
91 Ankara
92 Frankfurt/Main
93 London (WAFC)
94 Copenhagen
95 Rota
96 Athens
97 European Space Agency (ESA)
98 ECMWF, RSMC
99 De Bilt
100 Brazzaville
101 Abidjan
102 Libyan Arab Jamahiriya NMC
103 Madagascar NMC
104 Mauritius NMC
105 Niger NMC
106 Seychelles NMC
107 Uganda NMC
108 Tanzania NMC
109 Zimbabwe NMC
110 Hong-Kong, China
111 Afghanistan NMC
112 Bahrain NMC
113 Bangladesh NMC
114 Bhutan NMC
115 Cambodia NMC
116 Democratic People's Republic of Korea NMC
117 Islamic Republic of Iran NMC
118 Iraq NMC
119 Kazakhstan NMC
120 Kuwait NMC
121 Kyrgyz Republic NMC
122 Lao People's Democratic Republic NMC
123 Macao, China
124 Maldives NMC
125 Myanmar NMC
126 Nepal NMC
127 Oman NMC
128 Pakistan NMC
129 Qatar NMC
130 Republic of Yemen NMC
131 Sri Lanka NMC
132 Tajikistan NMC
133 Turkmenistan NMC
134 United Arab Emirates NMC
135 Uzbekistan NMC
136 Socialist Republic of Viet Nam NMC
140 Bolivia NMC
141 Guyana NMC
142 Paraguay NMC
143 Suriname NMC
144 Uruguay NMC
145 French Guyana
146 Brazilian Navy Hydrographic Centre
147 COmision Nacional de Actividades Espaciales (CONAE) - Argentina
150 Antigua and Barbuda NMC
151 Bahamas NMC
152 Barbados NMC
153 Belize NMC
154 British Caribbean Territories Centre
155 San Jose
156 Cuba NMC
157 Dominica NMC
158 Dominican Republic NMC
159 El Salvador NMC
160 US NOAA/NESDIS
161 US NOAA Office of Oceanic and Atmospheric Research
162 Guatemala NMC
163 Haiti NMC
164 Honduras NMC
165 Jamaica NMC
166 Mexico
167 Netherlands Antilles and Aruba NMC
168 Nicaragua NMC
169 Panama NMC
170 Saint Lucia NMC
171 Trinidad and Tobago NMC
172 French Departments in RA IV
173 US National Aeronautics and Space Administration (NASA)
174 Integrated System Data Management/Marine Environmental Data Service (ISDM/MEDS - Canada)
175 University Corporation for Atmospheric Research (UCAR) - United States
176 Cooperative Institute for Meteorological Satellite Studies (CIMSS) - United States
177 NOAA National Ocean Service - United States
178 Spire Global, Inc.
190 Cook Islands NMC
191 French Polynesia NMC
192 Tonga NMC
193 Vanuatu NMC
194 Brunei NMC
195 Indonesia NMC
196 Kiribati NMC
197 Federated States of Micronesia NMC
198 New Caledonia NMC
199 Niue
200 Papua New Guinea NMC
201 Philippines NMC
202 Samoa NMC
203 Solomon Islands NMC
204 National Institute of Water and Atmospheric Research (NIWA - New Zealand)
210 Frascati (ESA/ESRIN)
211 Lannion
212 Lisboa
213 Reykjavik
214 Madrid
215 Zurich
216 Service ARGOS Toulouse
217 Bratislava
218 Budapest
219 Ljubljana
220 Warsaw
221 Zagreb
222 Albania NMC
223 Armenia NMC
224 Austria NMC
225 Azerbaijan NMC
226 Belarus NMC
227 Belgium NMC
228 Bosnia and Herzegovina NMC
229 Bulgaria NMC
230 Cyprus NMC
231 Estonia NMC
232 Georgia NMC
233 Dublin
234 Israel NMC
235 Jordan NMC
236 Latvia NMC
237 Lebanon NMC
238 Lithuania NMC
239 Luxembourg
240 Malta NMC
241 Monaco
242 Romania NMC
243 Syrian Arab Republic NMC
244 The former Yugoslav Republic of Macedonia NMC
245 Ukraine NMC
246 Republic of Moldova
247 Operational Programme for the Exchange of weather RAdar information (OPERA) - EUMETNET
248 Montenegro (NMC)
249 Barcelona Dust Forecast Center
250 COnsortium for Small scale MOdelling (COSMO)
251 Meteorological Cooperation on Operational NWP (MetCoOp)
252 Max Planck Institute for Meteorology (MPI-M)
253 Reserved for other centres
254 EUMETSAT Operation Centre
255 Not to be used
256 Angola NMC
257 Benin NMC
258 Botswana NMC
259 Burkina Faso NMC
260 Burundi NMC
261 Cameroon NMC
262 Cape Verde NMC
263 Central African republic NMC
264 Chad NMC
265 Comoros NMC
266 Democratic Republic of the Congo NMC
267 Djibouti NMC
268 Eritrea NMC
269 Ethiopia NMC
270 Gabon NMC
271 Gambia NMC
272 Ghana NMC
273 Guinea NMC
274 Guinea Bissau NMC
275 Lesotho NMC
276 Liberia NMC
277 Malawi NMC
278 Mali NMC
279 Mauritania NMC
280 Namibia NMC
281 Nigeria NMC
282 Rwanda NMC
283 Sao Tome and Principe NMC
284 Sierra Leone NMC
285 Somalia NMC
286 Sudan NMC
287 Swaziland NMC
288 Togo NMC
289 Zambia NMC
65535 Missing value
(The first 3 digits represent the ISO country code)
C 001036 36001 Australia, Bureau of Meteorology (BoM) 36002 Australia, Joint Australian Facility for Ocean Observing Systems (JAFOOS) 36003 Australia, the Commonwealth Scientific and Industrial Research Organisation (CSIRO) 124001 Canada, Marine Environmental Data Service (MEDS) 124002 Canada, Institute of Ocean Sciences (IOS) 124173 Canada, Environment Canada 124174 Canada, Department of National Defence 124175 Canada, Nav Canada 156001 China, The State Oceanic Administration 156002 China, Second Institute of Oceanography, State Oceanic Administration 156003 China, Institute of Ocean Technology 250001 France, Institut de Recherche pour le Développement (IRD) 250002 France, Institut Français de Recherche pour l'Exploitation de la mer (IFREMER) 276001 Germany, Bundesamt fuer Seeschiffahrt und Hydrographie (BSH) 276002 Germany, Institut fuer Meereskunde, Kiel 356001 India, National Institute of Oceanography (NIO) 356002 India, National Institute for Ocean Technology (NIOT) 356003 India, National Centre for Ocean Information Service 392001 Japan, Japan Meteorological Agency (JMA) 392002 Japan, Frontier Observational Research System for Global Change 392003 Japan, Japan Marine Science and Technology Centre (JAMSTEC) 410001 Republic of Korea, Seoul National University 410002 Republic of Korea, Korea Ocean Research and Development Institute (KORDI) 410003 Republic of Korea, Meteorological Research Institute 540001 New Caledonia, Institut de Recherche pour le Développement (IRD) 554001 New Zealand, National Institute of Water and Atmospheric Research (NIWA) 643001 Russian Federation, State Oceanographic Institute of Roshydromet 643002 Russian Federation, Federal Service for Hydrometeorology and Environmental Monitoring 724001 Spain, Instituto Español de Oceanografia 826001 United Kingdom, Hydrographic Office 826002 United Kingdom, Southampton Oceanography Centre (SOC) 840001 USA, NOAA Atlantic Oceanographic and Meteorological Laboratories (AOML) 840002 USA, NOAA Pacific Marine Environmental Laboratories (PMEL) 840003 USA, Scripps Institution of Oceanography (SIO) 840004 USA, Woods Hole Oceanographic Institution (WHOI) 840005 USA, University of Washington 840006 USA, Naval Oceanographic Office 1048575 Missing value
C 001038
0 No sea ice set
1 NSIDC SSM/I Cavalieri et al (1992)
2 AMSR-E
3 ECMWF
4 CMS (France) cloud mask used by Medspiration
5 EUMETSAT OSI-SAF
31 Missing value
6-30 Reserved for future use
C 001052
0 Primary
1 Secondary
2 Reserved
3 Missing value
C 001090
0 Lagged-average forecasting (LAF)
1 Breeding
2 Singular vectors
3 Multiple analysis cycles
255 Missing value
4-191 Reserved, 192-254 Reserved for local use
C 001092
0 Unperturbed high-resolution control forecast
1 Unperturbed low-resolution control forecast
2 Negatively perturbed forecast
3 Positively perturbed forecast
255 Missing value
4-191 Reserved, 192-254 Reserved for local use
C 001101 100 Algeria 101 Angola 102 Benin 103 Botswana 104 Burkina Faso 105 Burundi 106 Cameroon 107 Cape Verde 108 Central African Republic 109 Chad 110 Comoros 111 Congo 112 Côte d'Ivoire 113 Democratic Republic of the Congo 114 Djibouti 115 Egypt 116 Eritrea 117 Ethiopia 118 France (RA I) 119 Gabon 120 Gambia 121 Ghana 122 Guinea 123 Guinea-Bissau 124 Kenya 125 Lesotho 126 Liberia 127 Libya 128 Madagascar 129 Malawi 130 Mali 131 Mauritania 132 Mauritius 133 Morocco 134 Mozambique 135 Namibia 136 Niger 137 Nigeria 138 Portugal (RA I) 139 Rwanda 140 Sao Tome and Principe 141 Senegal 142 Seychelles 143 Sierra Leone 144 Somalia 145 South Africa 146 Spain (RA I) 147 Sudan 148 Swaziland 149 Togo 150 Tunisia 151 Uganda 152 United Kingdom of Great Britain and Northern Ireland (RA I) 153 United Republic of Tanzania 154 Zambia 155 Zimbabwe 200 Afghanistan 201 Bahrain 202 Bangladesh 203 Bhutan 204 Cambodia 205 China 206 Democratic People's Republic of Korea 207 Hong Kong, China 208 India 209 Iran, Islamic Republic of 210 Iraq 211 Japan 212 Kazakhstan 213 Kuwait 214 Kyrgyzstan 215 Lao People's Democratic Republic 216 Macao, China 217 Maldives 218 Mongolia 219 Myanmar 220 Nepal 221 Oman 222 Pakistan 223 Qatar 224 Republic of Korea 225 Yemen 226 Russian Federation (RA II) 227 Saudi Arabia 228 Sri Lanka 229 Tajikistan 230 Thailand 231 Turkmenistan 232 United Arab Emirates 233 Uzbekistan 234 Viet Nam 300 Argentina 301 Bolivia (Plurinational State of) 302 Brazil 303 Chile 304 Colombia 305 Ecuador 306 France (RA III) 307 Guyana 308 Paraguay 309 Peru 310 Suriname 311 Uruguay 312 Venezuela (Bolivarian Republic of) 400 Antigua and Barbuda 401 Bahamas 402 Barbados 403 Belize 404 British Caribbean Territories 405 Canada 406 Colombia 407 Costa Rica 408 Cuba 409 Dominica 410 Dominican Republic 411 El Salvador 412 France (RA IV) 413 Guatemala 414 Haiti 415 Honduras 416 Jamaica 417 Mexico 418 Curaçao and Sint Maarten 419 Nicaragua 420 Panama 421 Saint Lucia 422 Trinidad and Tobago 423 United Kingdom of Great Britain and Northern Ireland (RA IV) 424 United States of America (RA IV) 425 Venezuela (Bolivarian Republic of) 500 Australia 501 Brunei Darussalam 502 Cook Islands 503 Fiji 504 French Polynesia 505 Indonesia 506 Kiribati 507 Malaysia 508 Micronesia, Federated States of 509 New Caledonia 510 New Zealand 511 Niue 512 Papua New Guinea 513 Philippines 514 Samoa 515 Singapore 516 Solomon Islands 517 Tonga 518 United Kingdom of Great Britain and Northern Ireland (RA V) 519 United States of America (RA V) 520 Vanuatu 600 Albania 601 Armenia 602 Austria 603 Azerbaijan 604 Belarus 605 Belgium 606 Bosnia and Herzegovina 607 Bulgaria 608 Croatia 609 Cyprus 610 Czech Republic 611 Denmark 612 Estonia 613 Finland 614 France (RA VI) 615 Georgia 616 Germany 617 Greece 618 Hungary 619 Iceland 620 Ireland 621 Israel 622 Italy 623 Jordan 624 Kazakhstan 625 Latvia 626 Lebanon 627 Lithuania 628 Luxembourg 629 Malta 630 Monaco 631 Montenegro 632 Netherlands 633 Norway 634 Poland 635 Portugal (RA VI) 636 Republic of Moldova 637 Romania 638 Russian Federation (RA VI) 639 Serbia 640 Slovakia 641 Slovenia 642 Spain (RA VI) 643 Sweden 644 Switzerland 645 Syrian Arab Republic 646 The former Yugoslav Republic of Macedonia 647 Turkey 648 Ukraine 649 United Kingdom of Great Britain and Northern Ireland (RA VI) 1023 Missing value
0- 99 Reserved 156-199 Reserved for Region I (Africa) 235-299 Reserved for Region II (Asia) 313-399 Reserved for Region III (South America) 426-499 Reserved for Region IV (North America, Central America and the Caribbean) 521-599 Reserved for Region V (SouthWest Pacific) 650-699 Reserved for Region VI (Europe) 700-999 Reserved 1000-1022 Not used
C 001150
0 WGS84, as used by ICAO since 1998
1 ETRS89, as defined by EPSG:4258
2 NAD83, as defined by EPSG:4269
3 DHDN, as defined by EPSG:4314
4 Ellipsoidal datum using the International Reference Meridian and the International Reference Pole as the prime meridian and prime pole, respectively, and the origin of the International Terrestrial Reference System (ITRS). International Reference Meridian, International Reference Pole and ITRS are maintained by the International Earth Rotation and Reference Systems Service (IERS)
65535 Missing value
5-65534 Reserved
C 001151
0 Earth Gravitational Model 1996
1 Baltic height system 1977
4095 Missing value
2-4094 Reserved
C 002001
0 Automatic
1 Manned
2 Hybrid: both manned and automatic
3 Missing value
Type of instrumentation and original units for wind measurement (measured in m/s unless otherwise indicated)
F 002002
1 Certified instruments
2 Originally measured in knots
3 Originally measured in km/h
All 4 Missing value
C 002003
0 Pressure instrument associated with wind measuring equipment
1 Optical theodolite
2 Radio theodolite
3 Radar
4 VLF-Omega
5 Loran C
6 Wind profiler
7 Satellite navigation
8 Radio-acoustic Sounding System (RASS)
9 Sodar
10 LIDAR
14 Pressure instrument associated with wind measurement equipment but pressure element failed during ascent
15 Missing value
10-13 Reserved
Instrument or crop type - Type of data
C 002004
0 USA open pan evaporimeter (without cover)
1 USA open pan evaporimeter (mesh covered)
2 GGI-3000 evaporimeter (sunken)
3 20 m2 tank
4 Others
5 Rice
6 Wheat
7 Maize
8 Sorghum
9 Other crops
15 Missing value
10-14 Reserved
C 002007
0 Reserved
1 Shaft encoder float system
2 Ultrasonic
3 Radar
4 Pressure (single transducer)
5 Pressure (multiple transducer)
6 Pressure (in stilling well)
7 Bubbler pressure
8 Acoustic (with sounding tube)
9 Acoustic (in open air)
63 Missing value
10-62 Reserved
C 002008
0 Fixed platform
1 Mobile offshore drill ship
2 Jack-up rig
3 Semi-submersible platform
4 FPSO (floating production storage and offloading unit)
5 Light vessel
15 Missing value
6-14 Reserved
C 002011
0 Reserved
1 iMet-1-BB (USA)
2 No radiosonde - passive target (e.g. reflector)
3 No radiosonde - active target (e.g. transponder)
4 No radiosonde - passive temperature-humidity profiler
5 No radiosonde - active temperature-humidity profiler
6 No radiosonde - radio-acoustic sounder
7 iMet-1-AB (USA)
8 No radiosonde - ... (reserved)
9 No radiosonde - system unknown or not specified
10 VIZ type A pressure-commutated (USA)
11 VIZ type B time-commutated (USA)
12 RS SDC (Space Data Corporation - USA)
13 Astor (no longer made - Australia)
14 VIZ MARK I MICROSONDE (USA)
15 EEC Company type 23 (USA)
16 Elin (Austria)
17 GRAW G. (Germany)
18 Graw DFM-06 (Germany)
19 GRAW M60 (Germany)
20 Indian Meteorological Service MK3 (India)
21 VIZ/Jin Yang Mark I MICROSONDE (South Korea)
22 Meisei RS2-80 (Japan)
23 Mesural FMO 1950A (France)
24 Mesural FMO 1945A (France)
25 Mesural MH73A (France)
26 Meteolabor Basora (Switzerland)
27 AVK-MRZ (Russian Federation)
28 Meteorit Marz2-1 (Russian Federation)
29 Meteorit Marz2-2 (Russian Federation)
30 Oki RS2-80 (Japan)
31 VIZ/Valcom type A pressure-commutated (Canada)
32 Shanghai Radio (China)
33 UK Met Office MK3 (UK)
34 Vinohrady (Czechoslovakia)
35 Vaisala RS18 (Finland)
36 Vaisala RS21 (Finland)
37 Vaisala RS80 (Finland)
38 VIZ LOCATE Loran-C (USA)
39 Sprenger E076 (Germany)
40 Sprenger E084 (Germany)
41 Sprenger E085 (Germany)
42 Sprenger E086 (Germany)
43 AIR IS - 4A - 1680 (USA)
44 AIR IS - 4A - 1680 X (USA)
45 RS MSS (USA)
46 Air IS - 4A - 403 (USA)
47 Meisei RS2-91 (Japan)
48 VALCOM (Canada)
49 VIZ MARK II (USA)
50 GRAW DFM-90 (Germany)
51 VIZ-B2 (USA)
52 Vaisala RS80-57H
53 AVK-RF95 (Russian Federation)
54 GRAW DFM-97 (Germany)
55 Meisei RS-016 (Japan)
56 M2K2 (France)
57 M2K2-DC Modem (France)
58 AVK-BAR (Russian Federation)
59 Modem M2K2-R 1680 MHz RDF radiosonde with pressure sensor chip (France)
60 Vaisala RS80/MicroCora (Finland)
61 Vaisala RS80/Loran/Digicora I,II or Marwin (Finland)
62 Vaisala RS80/PCCora (Finland)
63 Vaisala RS80/Star (Finland)
64 Orbital Sciences Corporation, Space Data Division, transponder radiosonde, type 909-11-XX, where XX correspond to the model of the instrument (USA)
65 VIZ transponder radiosonde, model number 1499-520 (USA)
66 Vaisala RS80/Autosonde (Finland)
67 Vaisala RS80/Digicora III (Finland)
68 AVK-RZM-2 (Russian Federation)
69 MARL-A or Vektor-M-RZM-2 (Russian Federation)
70 Vaisala RS92/Star (Finland)
71 Vaisala RS90/Loran/Digicora I,II or Marwin (Finland)
72 Vaisala RS90/PC-Cora (Finland)
73 Vaisala RS90/Autosonde (Finland)
74 Vaisala RS90/Star (Finland)
75 AVK-MRZ-ARMA (Russian Federation)
76 AVK-RF95-ARMA (Russian Federation)
77 GEOLINK GPSonde GL98 (France)
78 Vaisala RS90/Digicora III (Finland)
79 Vaisala RS92/Digicora I,II or Marwin (Finland)
80 Vaisala RS92/Digicora III (Finland)
81 Vaisala RS92/Autosonde (Finland)
82 Sippican MK2 GPS/STAR (USA) with rod thermistor, carbon element, and derived pressure
83 Sippican MK2 GPS/W9000 (USA) with rod thermistor, carbon element, and derived pressure
84 Sippican MARK II with chip thermistor, carbon element, and derived pressure from GPS height
85 Sippican MARK IIA with chip thermistor, carbon element, and derived pressure from GPS height
86 Sippican MARK II with chip thermistor, pressure, and carbon element
87 Sippican MARK IIA with chip thermistor, pressure, and carbon element
88 MARL-A or Vektor-M-MRZ (Russian Federation)
89 MARL-A or Vektor-M-BAR (Russian Federation)
90 Radiosonde not specified or unknown
91 Pressure-only radiosonde
92 Pressure-only radiosonde plus transponder
93 Pressure-only radiosonde plus radar-reflector
94 No-pressure radiosonde plus transponder
95 No-pressure radiosonde plus radar-reflector
96 Descending radiosonde
97 BAT-16P (South Africa)
98 BAT-16G (South Africa)
99 BAT-4G (South Africa)
110 Sippican LMS5 w/Chip Thermistor, duct mounted capacitance relative humidity sensor, and derived pressure from GPS height
111 Sippican LMS6 w/Chip Thermistor, external boom mounted capacitance relative humidity sensor and derived pressure from GPS height
112 Jin Yang RSG-20A with derived pressure from GPS height/GL-5000P (Republic of Korea)
113 Vaisala RS92/MARWIN MW32 (Finland)
114 Vaisala RS92/DigiCORA MW41 (Finland)
115 PAZA-12M/Radiotheodolite-UL (Ukraine)
116 PAZA-22/AVK-1 (Ukraine)
117 Graw DFM-09 (Germany)
121 Jin Yang 1524LA LORAN-C/GL5000 (Republic of Korea)
122 Meisei RS-11G GPS radiosonde w/thermistor, capacitance relative humidity sensor, and derived pressure from GPS height (Japan)
123 Vaisala RS41/DigiCORA MW41 (Finland)
124 Vaisala RS41/AUTOSONDE (Finland)
125 Vaisala RS41/MARWIN MW32 (Finland)
126 Meteolabor SRS–C34/Argus 37 (Switzerland)
128 AVK - AK2-02 (Russian Federation)
129 MARL-A or Vektor-M - AK2-02 (Russian Federation)
130 Meisei RS-06G (Japan)
131 Taiyuan GTS1-1/GFE(L) (China )
132 Shanghai GTS1/GFE(L) (China)
133 Nanjing GTS1-2/GFE(L) (China)
135 Meisei iMS-100 GPS radiosonde w/thermistor sensor, capacitance relative humidity sensor, and derived pressure from GPS height (Japan)
141 Vaisala RS41 with pressure derived from GPS height/DigiCORA MW41 (Finland)
142 Vaisala RS41 with pressure derived from GPS height/AUTOSONDE (Finland)
143 NanJing Daqiao XGP-3G (China)*
144 TianJin HuaYunTianYi GTS(U)1 (China)*
145 Beijing Changfeng CF-06 (China)*
146 Shanghai Changwang GTS3 (China)*
148 PAZA-22M/MARL-A
150 Meteolabor SRS-C50/Argus (Switzerland)
152 Vaisala RS92-NGP/Intermet IMS-2000 (United States)
153 AVK – I-2012 (Russian Federation)
160 MARL-A or Vektor-M – I-2012 (Russian Federation)
162 MARL-A or Vektor-M – MRZ-3MK (Russian Federation)
173 МАRL-A (Russian Federation) – ASPAN-15 (Kazakhstan)
177 Modem GPSonde M10 (France)
182 Lockheed Martin LMS-6 w/chip thermistor; external boom mounted polymer capacitive relative humidity sensor; capacitive pressure sensor and GPS wind
183 Vaisala RS92-D/Intermet IMS 1500 w/silicon capacitive pressure sensor, capacitive wire temperature sensor, twin thin-film heated polymer capacitive relative humidity sensor and RDF wind
190 NCAR research dropsonde NRD94 with GPS and Vaisala RS92-based sensor module (United States)
191 NCAR research dropsonde NRD41 with GPS and Vaisala RS41-based sensor module (United States)
192 Vaisala/NCAR dropsonde RD94 with GPS and Vaisala RS92-based sensor module (Finland/United States)
193 Vaisala/NCAR dropsonde RD41 with GPS and Vaisala RS41-based sensor module (Finland/United States)
255 Missing value
For values not assigned please consult WMO manuals
Notes:
(To be developed)
C 002013
0 No correction
1 CIMO solar corrected and CIMO infrared corrected
2 CIMO solar corrected and infrared corrected
3 CIMO solar corrected only
4 Solar and infrared corrected automatically by radiosonde system
5 Solar corrected automatically by radiosonde system
6 Solar and infrared corrected as specified by country
7 Solar corrected as specified by country
8 Solar and infrared corrected as specified by GRUAN
9 Solar corrected as specified by GRUAN
15 Missing value
10-14 Reserved
C 002014
0 No wind finding
1 Automatic with auxiliary optical direction finding
2 Automatic with auxiliary radio direction finding
3 Automatic with auxiliary ranging
4 Not used
5 Automatic with multiple VLF-Omega signals
6 Automatic cross chain Loran-C
7 Automatic with auxiliary wind profiler
8 Automatic satellite navigation
19 Tracking technique not specified
20 Vessel stopped
21 Vessel diverted from original destination
22 Vessel's arrival delayed
23 Container damaged
24 Power failure to container
29 Other problems
30 Major power problems
31 UPS inoperative
32 Receiver hardware problems
33 Receiver software problems
34 Processor hardware problems
35 Processor software problems
36 NAVAID system damaged
37 Shortage of lifting gas
38 Reserved
39 Other problems
40 Mechanical defect
41 Material defect (hand launcher)
42 Power failure
43 Control failure
44 Pneumatic/hydraulic failure
45 Other problems
46 Compressor problems
47 Balloon problems
48 Balloon release problems
49 Launcher damaged
50 R/S receiver antenna defect
51 NAVAID antenna defect
52 R/S receiver cabling (antenna) defect
53 NAVAID antenna cabling defect
59 Other problems
60 ASAP communications defect
61 Communications facility rejected data
62 No power at transmitting antenna
63 Antenna cable broken
64 Antenna cable defect
65 Message transmitted power below normal
69 Other problems
70 All systems in normal operation
99 Status of system and its components not specified
127 Missing value
25-28 Reserved for future use
9-18, 54-58, 66-68, 71-98, 100-126 Reserved
C 002015
0 Reserved
1 Pressure only radiosonde
2 Pressure only radiosonde plus transponder
3 Pressure only radiosonde plus radar reflector
4 No-pressure radiosonde plus transponder
5 No-pressure radiosonde plus radar reflector
15 Missing value
6-14 Reserved
F 002016
1 Train regulator
2 Light unit
3 Parachute
4 Rooftop release
All 5 Missing value
C 002017
0 No corrections
1 Time lag correction provided by the manufacturer
2 Solar radiation correction provided by the manufacturer
3 Solar radiation and time lag correction provided by the manufacturer
7 GRUAN solar radiation and time lag correction
31 Missing value
4–6, 8-30 Reserved
Agency - Type - Instrument short name (for Instrument long name please consult WMO manual)
C 002019
10 BNSC - Radiometer - AATSR
11 BNSC - Radiometer - ATSR
12 BNSC - Radiometer - ATSR-2
13 BNSC - Radiometer - MWR
30 CNES - Communications - ARGOS
40 CNES - Lidar - Laser reflectors
41 CNES - Lidar - DORIS
42 CNES - Lidar - DORIS-NG
47 CNES - Radar altimeters - POSEIDON-1 (SSALT-1)
48 CNES - Radar altimeters - POSEIDON-2 (SSALT-2)
49 CNES - Radar altimeters - POSEIDON-3 (SSALT-3)
50 CNES - Imager radiometer - ATSR/M
51 CNES - High resolution optical imager - HRG
52 CNES - Radiometer - HRV
53 CNES - Radiometer - HRVIR
54 CNES - Radiometer - ScaRaB/MV2
55 CNES - Radiometer - POLDER
56 CNES - Imaging multi-spectral radiometer - IIR
60 CNES - Spectrometer - VEGETATION
61 CNES - Spectrometer - WINDII
62 CNES - Altimeter - AltiKa
80 CSA - Communications - RADARSAT DTT
81 CSA - Communications - RADARSAT TTC
85 CSA - Radar - SAR (CSA)
90 CSA - Radiometer - MOPITT
91 CSA - Chemistry Instruments - OSIRIS
92 CSA - Limb-scanning sounder - ACE-FTS
97 CSIRO - Radiometer - Panchromatic imager
98 CRCSS - Atmospheric temperature and humidity sounders - GPS receiver
102 DLR - Radiometer - CHAMP GPS Sounder
103 DLR - Radiometer - IGOR
116 DLR - Magnetometer - CHAMP gravity package (Accelerometer+GPS)
117 DLR - Magnetometer - CHAMP magnetometry package (1 Scalar+2 Vector Magnetometer)
120 ESA - Communications - ENVISAT Comms
121 ESA - Communications - ERS Comms
130 ESA - Lidars - ALADIN
131 ESA - Lidars - ATLID
140 ESA - Radar - AMI/SAR/Image
141 ESA - Radar - AMI/SAR/wave
142 ESA - Radar - AMI/scatterometer
143 ESA - Radar - ASAR
144 ESA - Imaging microwave radars - ASAR
145 ESA - Imaging microwave radars - ASAR
146 ESA - Cloud profile and rain radars - CPR
147 ESA - Radar - RA-2/MWR
148 ESA - Radar - RA/MWR
150 ESA - Scatterometers - SCATTEROMETER
151 ESA - Imaging radar - SAR-C
152 ESA - Cross-nadir scanning - SW
161 ESA - Radiometer - MIPAS
162 ESA - Imagin multi-spectral radiometers (passive microwave) - MWR-2
163 ESA - Atmospheric chemistry instruments - SOPRANO
170 ESA - Atmospheric chemistry instruments - GOME I
172 ESA - Spectrometer - GOMOS
174 ESA - Spectrometer - MERIS
175 ESA - Spectrometer - SCIAMACHY
176 ESA - Radiometer - MIRAS
177 ESA - Radar Altimeter - SIRAL
178 ESA - Radar Altimeter - SRAL
179 ESA - Moderate resolution optical imager - OLCI
180 ESA - Moderate resolution optical imager - SLSTR
181 EUMETSAT - Communications - METEOSAT Comms
182 EUMETSAT - Communications - MSG Comms
190 ESA/EUMETSAT - Scatterometers - ASCAT
200 EUMETSAT - Radiometer - GERB
202 EUMETSAT - Radiometer - GRAS
203 EUMETSAT - Radiometer - MHS
205 EUMETSAT - Radiometer - MVIRI
207 EUMETSAT - Radiometer - SEVIRI
208 EUMETSAT - Imaging multi-spectral radiometers (vis/IR) - VIRI
220 ESA/EUMETSAT - Spectrometer - GOME-2
221 CNES/EUMETSAT - Atmospheric temp and hum sounders - IASI
240 CAST - Communications - DCP
245 CAST - Radiometer - CCD
246 INPE - Radiometer-sounders - HSB
248 INPE - Imaging multi-spectral radiometers (vis/IR) - OBA
250 CAST - Radiometer - WFI
255 CAST - Spectrometer - IRMSS
260 ISRO - Precision orbit - BSS & FSS transponders
261 ISRO - Precision orbit - DRT-S & R
262 ISRO - Communications - INSAT Comms
268 ISRO - High resolution optical imagers - HR-PAN
269 ISRO - Imaging multi-spectral radiometers (passive microwave) - MSMR
270 ISRO - Imaging multi-spectral radiometers (vis/IR) - VHRR
271 ISRO - Imaging multi-spectral radiometers (vis/IR) - WiFS
275 ISRO - High resolution optical imager - AWiFS
276 ISRO - High resolution optical imager - LISS-I
277 ISRO - High resolution optical imager - LISS-II
278 ISRO - High resolution optical imager - LISS-III
279 ISRO - High resolution optical imager - LISS-IV
284 ISRO - High resolution optical imager - PAN
285 ISRO - Imaging multi-spectral radiometer (vis/IR) - MOS
286 ISRO - Ocean colour instrument - OCM
287 ASI - - ROSA
288 ISRO - Scatterometer - SCAT
289 ISRO - Optical imager - IMG
290 JMA - Communications - MTSAT Comms
291 JMA - Communications - Himawari Comms
294 JMA - Imaging multi-spectral radiometer - JAMI
295 JMA - Imaging multi-spectral radiometer - IMAGER/MTSAT-2
296 JMA - Imaging multi-spectral radiometer - VISSR
297 JMA - Imaging multi-spectral radiometer - AHI
300 NASA - Lidar - GLAS
301 NASA - Precision orbit - LRA
302 NASA - Lidar - MBLA
303 NASA - Lidar - CALIOP
309 NASA - Cloud profile and rain radar - CPR (Cloudsat)
312 NASA - Radar - NSCAT
313 NASA - Radar - SeaWinds
314 NASA - Radar - RapidScat
330 NASA - Earth radiation budget radiometer - ACRIM
334 NASA - Total and Profile ozone - BUV
336 NASA - High resolution optical imagers - ALI
347 NASA - High resolution optical imagers - ASTER
348 NASA - Earth radiation budget radiometer - CERES-2
351 NASA - Atmospheric temperature and humidity sounders - GPSDR
353 NASA - Total and Profile ozone - HiRDLS
354 NASA - Total and Profile ozone - HRDI
356 NASA - Radiometer - LIS
358 NASA - Magnetic field, Auroal imageryScintillation boundary - PEM
359 NASA - Ocean colour instruments - SeaWiFS
360 NASA - Earth radiation budget radiometer - SUSIM (UARS)
363 NASA - Total and Profile ozone - SBUV/1
365 NASA - Imaging multi-spectral radiometer (passive microwave) - TMI
366 NASA - Imaging multi-spectral radiometer (passive microwave) - JMR
367 NASA - Imaging multi-spectral radiometer - AMR
369 NASA - Total and Profile ozone - LIMS
370 NASA - Total and Profile ozone - LRIR
371 NASA - Total and Profile ozone - EPIC
372 NASA - Earth radiation budget radiometer - NISTAR
373 NASA - Magnetic field, Auroal imagery Scintillation boundary - Plasma-Mag
374 NASA - Other - XPS
375 NASA - Imaging multi-spectral radiometers (vis/IR) - VIRS
376 CNES - Multiple direction/polarisation radiometers - POLDER II
377 NASA - Earth radiation budget radiometer - TIM
379 NASA - Imaging multi-spectral radiometers (vis/IR) - WFC
382 NASA - Spectro-radiometer - CLAES
383 NASA - Spectro-radiometer - HALOE
384 NASA - Spectro-radiometer - ISAMS
385 NASA - Spectro-radiometer - MISR
386 NASA - Spectro-radiometer - MLS
387 NASA - Spectro-radiometer - MLS (EOS-Aura)
389 NASA - Spectro-radiometer - MODIS
393 NASA - Gravity - HAIRS
394 NASA - Total and Profile ozone - OMI
395 NASA - Radiometer - Atmospheric Corrector
396 NASA - Radiometer - Hyperion
399 NASA - Spectro-radiometer - SAGE I
400 NASA - Spectro-radiometer - SAGE II
401 NASA - Spectro-radiometer - SAGE III
402 NASA - Spectro-radiometer - SAMS
403 NASA - Spectro-radiometer - SAM II
404 NASA - Spectro-radiometer - IRIS
405 NASA - Atmospheric temperature and humidity sounders - GIFTS
420 NASA - Spectrometer - AIRS
426 NASA - Spectrometer - SOLSTICE
430 NASA - Spectrometer - TES
431 NASA - Spectrometer - TOMS
432 NASA - Spectrometer - OCO
450 JAXA - Communications - ADEOS Comms
451 JAXA - Communications - DCS (JAXA)
453 NASDA - Communications - GMS Comms
454 NASDA - Communications - JERS-1 Comms
460 NASDA - Lidar - RIS
461 NASDA - Radar - PR
462 NASDA - Imaging microwave radars - SAR
470 JAXA - Imaging microwave radars - PALSAR
479 JAXA - Imaging multi-spectral radiometers (passive microwave) - AMSR-E
480 JAXA - High resolution optical imagers - PRISM (ALOS)
481 JAXA - Radiometer - AMSR
482 NASDA - High resolution optical imagers - AVNIR
483 JAXA - High resolution optical imagers - AVNIR-2
484 JAXA - Imager - GLI
485 NASDA - Radiometer - MESSR
486 NASDA - Radiometer - MSR
487 NASDA - Radiometer - OCTS
488 NASDA - Radiometer - OPS
489 NASDA - Spectro-radiometer - VISSR (GMS5)
490 NASDA - Radiometer - VTIR
510 NASDA - Spectrometer - ILAS-I
511 NASDA - Spectrometer - ILAS-II
512 NASDA - Spectrometer - IMG
514 NASDA - Space environment - SEM
515 JAXA - Total and Profile ozone - SOFIS
516 JAXA - Spectrometer - TANSOFTS
517 JAXA - Imager - TANSOCAI
518 JAXA - Cloud and precipitation radar - DPR
519 NASA - MW imaging/sounding radiometer, conical scanning - GMI
530 Spire - GNSS occultation sounder - SGNOS-A
531 Spire - GNSS occultation sounder - SGNOS-B
532 Spire - GNSS occultation sounder - SGNOS-C
533 Spire - GNSS occultation sounder - SGNOS-D
540 NOAA - Communications - DCS (NOAA)
541 NOAA - Communications - GOES Comms
542 NOAA - Communications - LANDSAT Comms
543 NOAA - Communications - NOAA Comms
544 NOAA - Communications - S & R (GOES)
545 NOAA - Communications - S & R (NOAA)
546 NOAA - Communications - WEFAX
547 NOAA - Spectrometer - SEM(GOES)
550 NOAA - Magnetic field - SSM
551 NOAA - Magnetic field - SSJ/4
552 NOAA - Space environment - SSIES-2
553 NOAA - Space environment - SSB/X-2
570 NOAA - Radiometer - AMSU-A
574 NOAA - Radiometer - AMSU-B
580 NOAA - Radiometer - ATOVS (HIRS/3 + AMSU + AVHRR/3)
590 NOAA - Radiometer - AVHRR/2
591 NOAA - Radiometer - AVHRR/3
592 NOAA - Radiometer - AVHRR/4
600 NOAA - Radiometer - ERBE
601 NOAA - Radiometer - ETM+
605 NOAA - Radiometer - HIRS/2
606 NOAA - Radiometer - HIRS/3
607 NOAA - Radiometer - HIRS/4
615 NOAA - Radiometer - IMAGER
616 NOAA - Imaging multi-spectral radiometer (vis/IR) - VIIRS
617 NOAA - Imaging multi-spectral radiometer - ABI
618 NOAA - High-resolution optical imager - GLM
620 NOAA - Atmospheric temperature and humidity sounders - CrIRS/NP
621 NOAA - Atmospheric temperature and humidity sounders - ATMS
622 NOAA - Radiometer - MSS
623 NOAA - Radiometer - MSU
624 NOAA - Radiometer - SBUV/2
625 NOAA - Radiometer - SBUV/3
626 NOAA - Radiometer - SOUNDER
627 NOAA - Radiometer - SSU
628 NOAA - Radiometer - TM
629 NOAA - Radiometer - TOVS (HIRS/2 + MSU + SSU)
630 NOAA - Radiometer - VAS
631 NOAA - Radiometer - SSZ
645 NOAA - Spectrometer - SEM
650 NRSCC - Radiometer - MVIRSR (10 channel)
651 NRSCC - Radiometer - MVIRSR (3 channel)
652 NRSCC - Radiometer - MVIRSR (5 channel)
670 NSAU - Radar - RLSBO
680 NSAU - High resolution optical imagers - MSU-EU
681 NSAU - Imaging multi-spectral radiometers (vis/IR) - MSU-UM
682 NSAU - Radiometer - RM-08
683 NSAU - High resolution optical imagers - SU-UMS
684 NSAU - High resolution optical imagers - SU-VR
685 NSAU - Radiometer - TRASSER
686 SOA - Scatterometer - SCAT
687 SOA - Radar altimeter - ALT
688 SOA - Microwave radiometer - MWI
700 ROSCOSMOS - Communications - KONDOR-2
701 ROSCOSMOS - Communications - BRK
710 ROSCOSMOS - Lidar - ALISSA
712 ROSCOSMOS - Lidar - Balkan-2 lidar
715 ROSCOSMOS - Lidar - MK-4
716 ROSCOSMOS - Lidar - MK-4M
730 ROSCOSMOS - Radar - Greben
731 ROSCOSMOS - Radar - SAR-10
732 ROSCOSMOS - Radar - SAR-3
733 ROSCOSMOS - Radar - SAR-70
740 ROSCOSMOS - Radar - SLR-3
745 ROSCOSMOS - Radar - Travers SAR
750 ROSCOSMOS - Radiometer - 174-K
751 ROSCOSMOS - Radiometer - BTVK
752 ROSCOSMOS - Radiometer - Chaika
753 ROSCOSMOS - Radiometer - DELTA-2
755 ROSCOSMOS - Radiometer - IKAR-D
756 ROSCOSMOS - Radiometer - IKAR-N
757 ROSCOSMOS - Radiometer - IKAR-P
760 ROSCOSMOS - Radiometer - ISP
761 ROSCOSMOS - Radiometer - KFA-1000
762 ROSCOSMOS - Radiometer - KFA-200
763 ROSCOSMOS - Radiometer - KFA-3000
770 ROSCOSMOS - Radiometer - Klimat
771 ROSCOSMOS - Radiometer - Klimat-2
775 ROSCOSMOS - Radiometer - MIRAS
776 ROSCOSMOS - Radiometer - MIVZA
777 ROSCOSMOS - Radiometer - MIVZA-M
780 ROSCOSMOS - Radiometer - MR-2000
781 ROSCOSMOS - Radiometer - MR-2000M
785 ROSCOSMOS - Radiometer - MR-900
786 ROSCOSMOS - Radiometer - MR-900B
790 ROSCOSMOS - Radiometer - MSU-E
791 ROSCOSMOS - Radiometer - MSU-E1
792 ROSCOSMOS - Radiometer - MSU-E2
793 ROSCOSMOS - Radiometer - MSU-M
794 ROSCOSMOS - Radiometer - MSU-S
795 ROSCOSMOS - Radiometer - MSU-SK
796 ROSCOSMOS - Radiometer - MSU-V
810 ROSCOSMOS - Radiometer - MTZA
815 ROSCOSMOS - Imaging multi-spectral radiometers (passive microwave) - MZOAS
820 ROSCOSMOS - Imaging multi-spectral radiometers (passive microwave) - R-225
821 ROSCOSMOS - Radiometer - R-400
822 ROSCOSMOS - Radiometer - R-600
830 ROSCOSMOS - Radiometer - RMS
835 ROSCOSMOS - Radiometer - TV camera
836 ROSCOSMOS - Radiometer - SILVA
840 ROSCOSMOS - Spectro-radiometer - SROSMO
850 ROSCOSMOS - Spectrometer - BUFS-2
851 ROSCOSMOS - Spectrometer - BUFS-4
855 ROSCOSMOS - Spectrometer - ISTOK-1
856 ROSCOSMOS - Spectrometer - SFM-2
857 ROSCOSMOS - Spectrometer - DOPI
858 ROSCOSMOS - Spectrometer - KGI-4
859 ROSCOSMOS - Spectrometer - Ozon-M
860 ROSCOSMOS - Spectrometer - RMK-2
900 NOAA - Radiometer - MAXIE
901 NOAA - Radiometer - OLS
905 NOAA - Radiometer - SSM/I
906 NOAA - Radiometer - SSM/T-1
907 NOAA - Radiometer - SSM/T-2
908 NOAA - Radiometer - SSMIS
910 NOAA - Radiometer - SXI
930 NOAA - Spectrometer - EHIC
931 NOAA - Spectrometer - X-ray astronomy payload
932 NRSCC - Imaging multi-spectral radiometers (vis/IR) - IVISSR (FY-2)
933 NRSCC - Atmospheric temperature and humidity sounders - IRAS
934 NRSCC - Atmospheric temperature and humidity sounders - MWAS
935 NRSCC - Atmospheric temperature and humidity sounders - IMWAS
936 NRSCC - Atmospheric temperature and humidity sounders - MWHS
937 NRSCC - Imaging multi-spectral radiometers (vis/IR) - MVIRS
938 NRSCC - Imaging multi-spectral radiometers (passive microwave) - MWRI
940 ROSCOSMOS - Atmospheric temperature and humidity sounders - MTVZA-OK
941 CNES - Atmospheric temperature and humidity sounders - SAPHIR
942 CNES - Microwave imager - MADRAS
944 NOAA - Radar altimeter - ALT
945 NOAA - Earth radiation budget radiometer - TSIS
946 NOAA - Imaging multi-spectral radiometers (passive microwave) - CMIS
947 NOAA - Total and Profile ozone - OMPS
948 NOAA - Space Environment Atmospheric temperature and humidity sounders - GPSOS
949 NOAA - Magnetic field, Auroal imagery Scintillation boundary - SESS
950 NRSCC - Imaging multi-spectral radiometers (vis/IR) - VIRR
951 NRSCC - Total and Profile ozone - TOM
952 NRSCC - Total and Profile ozone - OP
953 CMA - Microwave sounding radiometer, crosstrack scanning - MWHS-2
954 CMA - Microwave sounding radiometer, crosstrack scanning - MWTS-2
955 CMA - Cross-nadir scanning IR sounder - HIRAS
956 CMA - Spectrometer - SBUS
957 CMA - Spectrometer - TOU
958 CMA - GNSS occultation sounder - GNOS
959 SNSB - Limb-scanning sounder - SMR
960 Reseved
961 CMA - Imaging multi-spectral radiometer - AGRI
962 CMA - Atmospheric temperature and humidity sounder - GIIRS
963 CMA - High-resolution optical imager - LMI
964 CMA - Space environment - SEP
2047 Missing value
965-999 Reserved
1000-2046 Reserved for long-term future use
C 002020
0 Nimbus
1 VTPR
2 Tiros 1 (Tiros, NOAA-6 to NOAA-13)
3 Tiros 2 (NOAA-14 onwards)
10 EOS
20 GPM-core
31 DMSP
61 EUMETSAT Polar System (EPS)
91 ERS
92 Sentinel-3
121 ADEOS
122 GCOM
241 GOES
261 JASON
271 GMS
272 MTSAT
273 Himawari
281 COMS
301 INSAT
331 METEOSAT Operational Programme (MOP)
332 METEOSAT Transitional Programme (MTP)
333 METEOSAT Second Generation Programme (MSG)
351 GOMS
380 FY-1
381 FY-2
382 FY-3
383 FY-4
401 GPS
402 GLONASS
403 GALILEO
404 BDS (BeiDou navigation satellite system)
511 Missing value
383-400 Reserved, 405-510 Reserved
F 002021
1 High-resolution infrared sounder (HIRS)
2 Microwave sounding unit (MSU)
3 Stratospheric sounding unit (SSU)
4 AMI (advanced microwave instrument) wind mode
5 AMI (advanced microwave instrument) wave mode
6 AMI (advanced microwave instrument) image mode
7 Radar altimeter
8 ATSR (along-track scanning radiometer)
All 9 Missing value
Bit flags denoting the elements included in processing sounding data.
F 002022
1 Processing technique not defined
2 Automated statistical regression
3 Clear path
4 Partly cloudy path
5 Cloudy path
6 Reserved
7 Reserved
All 8 Missing value
Notes:
C 002023
0 Reserved
1 Wind derived from cloud motion observed in the infrared channel
2 Wind derived from cloud motion observed in the visible channel
3 Wind derived from cloud motion observed in the water vapour channel
4 Wind derived from motion observed in a combination of spectral channels
5 Wind derived from motion observed in the water vapour channel in clear air
6 Wind derived from motion observed in the ozone channel
7 Wind derived from motion observed in water vapour channel (cloud or clear air not specified)
13 Root-mean-square
15 Missing value
8-12, 14 Reserved
C 002024
0 Reserved
1 Table with full range of humidity variation in layer
2 Regression technique on 2 humidity values in layer
15 Missing value
3-14 Reserved
F 002025
1 Reserved
2 HIRS - Group 1
3 MSU - Group 1
4 Reserved
5 Reserved
6 HIRS - Group 2
7 MSU - Group 2
8 Reserved
9 Reserved
10 HIRS (1, 2, 3, 8, 9, 16, 17) - Group 3
11 HIRS (1, 2, 3, 9, 17) - Group 3
12 MSU - Group 3
13 Reserved
14 Reserved
15 HIRS - Group 4
16 HIRS* - Group 4
17 MSU - Group 4
18 SKINTK (ocean only) - Group 4
19 Reserved
20 Reserved
21 HIRS* - Group 5
22 SSU - Group 5
23 MSU (3, 4) - Group 5
24 Reserved
All 25 Missing value
Notes:
C 002030
0 Reserved
1 ADCP (Acoustic Doppler Current Profiler)(*)
2 GEK (Geomagnetic ElectroKinetograph)
3 Ship's set and drift determined by fixes 3-6 hours apart
4 Ship's set and drift determined by fixes more than 6 hours but less than 12 hours apart
5 Drift of buoy
6 ADCP (Acoustic Doppler Current Profiler)
7 Missing value
Note: (*) Value deprecated. Code figure 6 should be used instead.
C 002031
0 Reserved
1 Instantaneous
2 Averaged over 3 minutes or less
3 Averaged over more than 3 minutes, but 6 at the most
4 Averaged over more than 6 minutes, but 12 at the most
5 Instantaneous
6 Averaged over 3 minutes or less
7 Averaged over more than 3 minutes, but 6 at the most
8 Averaged over more than 6 minutes, but 12 at the most
9 Vector or Doppler current profiling method not used
10 Reserved
11 1 hour or less
12 More than 1 hour but 2 at the most
13 More than 2 hours but 4 at the most
14 More than 4 hours but 8 at the most
15 More than 8 hours but 12 at the most
16 More than 12 hours but 18 at the most
17 More than 18 hours but 24 at the most
18 Reserved
19 Drift method not used
31 Missing
20-30 Reserved
Notes:
C 002032
0 Values at selected depths (data points fixed by the instrument or selected by any other method)
1 Values at selected depths (data points taken from traces at significant depths)
2 Reserved
3 Missing value
C 002033
0 No salinity measured
1 In situ sensor, accuracy better than 0.02 ‰
2 In situ sensor, accuracy less than 0.02 ‰
3 Sample analysis
7 Missing value
4-6 Reserved
C 002034
0 Unspecified drogue
1 Holey sock
2 TRISTAR
3 Window shade
4 Parachute
5 Non-Lagrangian sea anchor
31 Missing value
6-30 Reserved (to be developed)
C 002036
0 Drifting buoy
1 Fixed buoy
2 Sub-surface float (moving)
3 Missing value
C 002037
0 Reserved
1 Manual reading from vertical tide staff
2 Manual reading from single automatic recorder at station
3 Manual reading from multiple automatic recorders at station
4 Automatic reading from single automatic recorder at station without level reference check
5 Automatic reading from single automatic recorder at station with level reference check, or from multiple automatic recorders
6 Reserved
7 Missing
C 002038
0 Ship intake
1 Bucket
2 Hull contact sensor
3 Reversing thermometer
4 STD/CTD sensor
5 Mechanical BT
6 Expendable BT
7 Digital BT
8 Thermistor chain
9 Infrared scanner
10 Microwave scanner
11 Infrared radiometer
12 In-line thermosalinograph
13 Towed body
14 Other
15 Missing value
C 002039
0 Measured wet-bulb temperature
1 Iced bulb measured wet-bulb temperature
2 Computed wet-bulb temperature
3 Iced bulb computed wet-bulb temperature
7 Missing value
4-6 Reserved
C 002040
0 Ship's motion removed by averaging
1 Ship's motion removed by motion compensation
2 Ship's motion not removed
3 Ship's motion removed by averaging
4 Ship's motion removed by motion compensation
5 Ship's motion not removed
6 Doppler current profiling method not used
15 Missing value
7-14 Reserved
C 002041
0 Information based on manual analysis
1 Information based on computer analysis
2 Information based on data assimilation
3 Information based on computer analysis or data assimilation manually modified
10 Information based on the numerical weather prediction
63 Missing value
4-9 Reserved
11-62 Reserved for future use
C 002042
0 Value originally reported in m/s
1 Value originally reported in knots
2 No sea current data available
3 Missing value
C 002044
0 Reserved for future use
1 Longuet-Higgins (1964)
2 Longuet-Higgins (F3 method)
3 Maximum likelihood method
4 Maximum entropy method
15 Missing value
5-14 Reserved
C 002045
0 Sea station
1 Automatic data buoy
2 Aircraft
3 Satellite
15 Missing value
4-14 Reserved
C 002046
0 Reserved for future use
1 Heave sensor
2 Slope sensor
15 Missing value
3-14 Reserved
C 002047
0 Reserved
1 DART II (PMEL)
2 DART ETD
3 SAIC Tsunami Buoy (STB)
4 GFZ - Potsdam
5 INCOIS (India)
6 InaBuoy (Indonesia)
7 Envirtech
127 Missing value
8-99 Reserved, 100–126 Not used
C 002048
0 HIRS
1 MSU
2 SSU
3 AMSU-A
4 AMSU-B
5 AVHRR
6 SSMI
7 NSCAT
8 SEAWINDS
9 POSEIDON altimeter
10 JMR (Jason Microwave Radiometer)
11 MHS
12 ASCAT
15 Missing value
13-14 Reserved
F 002049
1 Processing technique not defined
2 Simultaneous physical retrieval
3 Clear sounding
4 Cloudy sounding
All 8 Missing value
5-7 Reserved for future use
Notes:
Bit No., Channel - Central wavelength (micrometers)
F 002050
1 1 - 14.71
2 2 - 14.37
3 3 - 14.06
4 4 - 13.64
5 5 - 13.37
6 6 - 12.66
7 7 - 12.02
8 8 - 11.03
9 9 - 9.71
10 10 - 7.43
11 11 - 7.02
12 12 - 6.51
13 13 - 4.57
14 14 - 4.52
15 15 - 4.45
16 16 - 4.13
17 17 - 3.98
18 18 - 3.74
19 19 - 0.969
All 20 Missing value
Notes:
C 002051
0 Reserved
1 Maximum/minimum thermometers
2 Automated instruments
3 Thermograph
15 Missing value
4-14 Reserved
Bit No., Channel - Central wavelength (micrometers)
F 002052
1 1 - 0.55-0.75
2 2 - 3.9
3 3 - 6.7
4 4 - 10.7
5 5 - 12.0
All 6 Missing value
Note:
C 002053
0 Observed brightness temperature
1 Brightness temperature with bias correction applied
2 Brightness temperature calculated from first guess
3 Brightness temperature calculated from sounding
15 Missing value
4-14 Reserved
C 002054
0 Parameter derived using observed sounder brightness temperatures
1 Parameter derived using observed imager brightness temperatures
2 Parameter derived using first guess information
3 Parameter derived using NMC analysis information
4 Parameter derived using radiosonde information
15 Missing value
5-14 Reserved
C 002055
0 Statistics generated comparing retrieval versus radiosonde
1 Statistics generated comparing retrieval versus first guess
2 Statistics generated comparing radiosonde versus first guess
3 Statistics generated comparing observed versus retrieval
4 Statistics generated comparing observed versus first guess
5 Statistics generated comparing radiosonde versus imager
6 Statistics generated comparing radiosonde versus sounder
7 Statistics generated for radiosonde
8 Statistics generated for first guess
15 Missing value
9-14 Reserved
C 002056
0 Sums of differences
1 Sums of squared differences
2 Sample size
3 Minimum difference
4 Maximum difference
15 Missing value
5-14 Reserved
C 002057
0 Nested Grid Model (NGM)
1 Aviation Model (AVN)
2 Medium Range Forecast (MRF) Model
3 Global Data Assimilation System (GDAS) Forecast Model
4 Prior soundings (within 3 hours of current time)
5 Climatology
15 Missing value
6-14 Reserved
C 002058
0 12 hour and 18 hour
1 18 hour and 24 hour
2 6 hour and 12 hour
3 Greater than 24 hours
15 Missing value
4-14 Reserved
C 002059
0 NCEP Nested Grid Model (NGM) Analysis
1 NCEP Aviation Model (AVN) Analysis
2 NCEP Medium Range Forecast (MRF) Model Analysis
3 NCEP Global Data Assimilation System (GDAS) Forecast Model Analysis
15 Missing value
4-14 Reserved
C 002060
0 Current surface hourly reports
1 Current ship reports
2 Current buoy reports
3 One hour old surface hourly reports
4 One hour old ship reports
5 One hour old buoy reports
15 Missing value
6-14 Reserved
C 002061
0 Inertial navigation system
1 OMEGA
7 Missing value
2-6 Reserved
C 002062
0 ASDAR
1 ASDAR (ACARS also available but not operative)
2 ASDAR (ACARS also available and operative)
3 ACARS
4 ACARS (ASDAR also available but not operative)
5 ACARS (ASDAR also available and operative)
15 Missing value
6-14 Reserved
C 002064
0 Good
1 Bad
2 Reserved
3 Missing value
Note: Bad is currently defined as a roll angle > 5 degrees from vertical.
C 002066
0 InterMet IMS 2000
1 InterMet IMS 1500C
2 Shanghai GTC1
3 Nanjing GTC2
4 Nanjing GFE(L)1
5 MARL-A radar
6 VEKTOR-M radar
62 Other
63 Missing value
2-61 Reserved
C 002070
0 Actual location in seconds
1 Actual location in minutes
2 Actual location in degrees
3 Actual location in decidegrees
4 Actual location in centidegrees
5 Referenced to checkpoint in seconds
6 Referenced to checkpoint in minutes
7 Referenced to checkpoint in degrees
8 Referenced to checkpoint in decidegrees
9 Referenced to checkpoint in centidegrees
10 Actual Location in tenths of a minute
11 Referenced to checkpoint in tenths of a minute
15 Missing value
12-14 Reserved
C 002080
0 Kaysam
1 Totex
2 KKS
3 Guangzhou Shuangyi (China)
4 ChemChina Zhuzhou (China)
62 Other
63 Missing value
5-61 Reserved
C 002081
0 GP26
1 GP28
2 GP30
3 HM26
4 HM28
5 HM30
6 SV16
7 Totex TA type balloons
8 Totex TX type balloons
30 Other
31 Missing value
9-29 Reserved
C 002083
0 High bay
1 Low bay
2 Balloon-inflated launch system (BILS)
3 Roof-top BILS
4 Automated unmanned sounding system
14 Other
15 Missing value
5-13 Reserved
C 002084
0 Hydrogen
1 Helium
2 Natural gas
14 Other
15 Missing value
3-13 Reserved
C 002095
0 Capacitance aneroid
1 Derived from GPS
2 Resistive strain gauge
3 Silicon capacitor
4 Derived from radar height
30 Other
31 Missing value
5-29 Reserved
C 002096
0 Rod thermistor
1 Bead thermistor
2 Capacitance bead
3 Capacitance wire
4 Resistive sensor
5 Chip thermistor
6 Mercury
7 Alcohol/glycol
30 Other
31 Missing value
8-29 Reserved
C 002097
0 VIZ Mark II carbon hygristor
1 VIZ B2 hygristor
2 Vaisala A-Humicap
3 Vaisala H-Humicap
4 Capacitance sensor
5 Vaisala RS90
6 Sippican Mark IIA carbon hygristor
7 Twin alternatively heated Humicap capacitance sensor
8 Humicap capacitance sensor with active de-icing method
9 Carbon hygristor
10 Psychrometer
11 Capacitive (polymer)
12 Capacitive (ceramic, including metal oxide)
13 Resistive (generic)
14 Resistive (salt polymer)
15 Resistive (conductive polymer)
16 Thermal conductivity
17 Gravimetric
18 Paper-metal coil
19 Ordinary human hair
20 Rolled hair (torsion)
21 Goldbeater's skin
22 Chilled mirror hygrometer
23 Dew cell
24 Optical absorption sensor
30 Other
31 Missing value
25-29 Reserved
C 002099
0 HH polarization
1 VV polarization
2 HV polarization real valued component
3 HV polarization imaginary valued component
7 Missing value
4-6 Reserved
C 002101
0 Centre front-fed paraboloid
1 Offset front-fed paraboloid
2 Centre Cassegrain paraboloid
3 Offset Cassegrain paraboloid
4 Planar array
5 Coaxial-collinear array
6 Yagi elements array
7 Microstrip
14 Other
15 Missing value
8-13 Reserved
F 002103
1 Radar antenna is protected by a radome
All 2 Missing value
C 002104
0 Horizontal polarization
1 Vertical polarization
2 Right circular polarization
3 Left circular polarization
4 Horizontal and vertical polarization
5 Right and left circular polarization
6 Quasi-horizontal polarization
7 Quasi-vertical polarization
15 Missing value
8-14 Reserved
C 002115
0 PDB
1 RSOIS
2 ASOS
3 Psychrometer
4 F420
30 Other
31 Missing value
5-29 Reserved
C 002119
0 Intermediate frequency calibration mode (IF CAL)
1 Built-in test equipment digital (BITE DGT)
2 Built-in test equipment radio frequency (BITE RF)
3 Preset tracking (PSET TRK)
4 Preset LOOP OUT
5 ACQUISITION
6 TRACKING
7 Missing value
F 002131
1 STC operational
All 2 Missing value
C 002137
1 3:2
2 4:3
3 5:4
15 Missing value
4-14 Reserved
C 002138
1 Clockwise rotation
2 Counterclockwise rotation
3 Missing value
C 002139
0 SIRAL nominal
1 SIRAL redundant
2 Missing value
C 002143
0 Reserved
1 Brewer spectrophotometer
2 Caver Teichert
3 Dobson
4 Dobson (Japan)
5 Ehmet
6 Fecker telescope
7 Hoelper
8 Jodmeter
9 Filter Ozonometer M-83
10 Mast
11 Oxford
12 Paetzold
13 Regener
14 Reserved for future use
15 Vassy filter Ozonometer
16 Carbon iodide
17 Surface ozone bubbler
18 Filter Ozonometer M-124
19 ECC sonde
127 Missing value
20-126 Reserved
C 002144
0 Direct sun
1 Direct sun, attenuator #1
2 Direct sun, attenuator #2
3 Focused moon
4 Focused sun
5 Focused sun corrected with adjacent sky measurements
6 Zenith sky
15 Missing value
7-14 Reserved
Note: Entries 1 and 2 should not be used.
C 002145
0 Wavelengths AD ordinary setting
1 Wavelengths BD ordinary setting
2 Wavelengths CD ordinary setting
3 Wavelengths CC' ordinary setting
4 Wavelengths AD focused image
5 Wavelengths BD focused image
6 Wavelengths CD focused image
7 Wavelengths CC' focused image
15 Missing value
8-14 Reserved
C 002146
0 On direct sun
1 On direct moon
2 On blue zenith sky
3 On zenith cloud (uniform stratified layer of small opacity)
4 On zenith cloud (uniform or moderately variable layer of medium opacity)
5 On zenith cloud (uniform or moderately variable layer of large opacity)
6 On zenith cloud (highly variable opacity, with or without precipitation)
7 On zenith cloud (fog)
8 On zenith haze
9 On direct sun through thin cloud, fog or haze
15 Missing value
10-14 Reserved
C 002147
0 Reserved
1 Direct leased circuit
2 Dialled up connection
3 Internet ISP
4 DCP via satellite (MTSAT, METEOSAT, etc.)
5 VSAT
6 GAN,* BGAN**
7 Thiss terminal
8 Iridium satellites
9 Mobile telephony
63 Missing value
10-62 Reserved
(*) Global Area Network, (**) Broadband Global Area Network
C 002148
0 Reserved
1 Argos
2 GPS
3 GOES DCP
4 METEOSAT DCP
5 ORBCOMM
6 INMARSAT
7 Iridium
8 Iridium and GPS
9 Argos-3
10 Argos-4
31 Missing value
11-30 Reserved
C 002149
0 Unspecified drifting buoy
1 Standard Lagrangian drifter (Global Drifter Programme)
2 Standard FGGE type drifting buoy (non-Lagrangian meteorological drifting buoy)
3 Wind measuring FGGE type drifting buoy (non-Lagrangian meteorological drifting buoy)
4 Ice float
5 SVPG Standard Lagrangian drifter with GPS
6 SVP-HR drifter with high-resolution temperature or thermistor string
7 Reserved Operational
8 Unspecified sub-surface float
9 SOFAR
10 ALACE
11 MARVOR
12 RAFOS
13 PROVOR
14 SOLO
15 APEX
16 Unspecified moored buoy
17 Nomad
18 3-metre discus
19 10-12-metre discus
20 ODAS 30 series
21 ATLAS (e.g. TAO area)
22 TRITON buoy
23 FLEX mooring (e.g. TIP area)
24 Omnidirectional waverider
25 Directional waverider
26 Sub-surface ARGO float
27 PALACE
28 NEMO
29 NINJA
30 Ice buoy/float (POPS or ITP)
34 Mooring oceanographic
35 Mooring meteorological
36 Mooring multidisciplinary (OceanSITES)
37 Mooring tide gauge or tsunami buoy
38 Ice beacon
39 Ice mass balance buoy
63 Missing value
40-62 Reserved
C 002150
0 Reserved
1 HIRS 1
2 HIRS 2
3 HIRS 3
4 HIRS 4
5 HIRS 5
6 HIRS 6
7 HIRS 7
8 HIRS 8
9 HIRS 9
10 HIRS 10
11 HIRS 11
12 HIRS 12
13 HIRS 13
14 HIRS 14
15 HIRS 15
16 HIRS 16
17 HIRS 17
18 HIRS 18
19 HIRS 19
20 HIRS 20
21 MSU 1
22 MSU 2
23 MSU 3
24 MSU 4
25 SSU 1
26 SSU 2
27 SSU 3
28 AMSU-A 1
29 AMSU-A 2
30 AMSU-A 3
31 AMSU-A 4
32 AMSU-A 5
33 AMSU-A 6
34 AMSU-A 7
35 AMSU-A 8
36 AMSU-A 9
37 AMSU-A 10
38 AMSU-A 11
39 AMSU-A 12
40 AMSU-A 13
41 AMSU-A 14
42 AMSU-A 15
43 AMSU-B 1 / MHS 1
44 AMSU-B 2 / MHS 2
45 AMSU-B 3 / MHS 3
46 AMSU-B 4 / MHS 4
47 AMSU-B 5 / MHS 5
48 AVHRR 1
49 AVHRR 2
50 AVHRR 3a
51 AVHRR 3b
52 AVHRR 4
53 AVHRR 5
63 Missing value
54-62 Reserved
C 002151
0 HIRS
1 MSU
2 SSU
3 AMSU-A1-1
4 AMSU-A1-2
5 AMSU-A2
6 AMSU-B
7 AVHRR
8 Reserved
9 MHS
2047 Missing value
10-2046 Reserved
F 002152
1 High-resolution infrared sounder (HIRS)
2 Microwave sounding unit (MSU)
3 Stratospheric sounding unit (SSU)
4 AMI wind mode
5 AMI wave mode
6 AMI image mode
7 RADAR altimeter
8 ATSR
9 Geostationary imager
10 Geostationary sounder
11 Geostationary earth radiation (GERB)
12 Multi-channel scanning radiometer
13 Polar-orbiting imager
All 31 Missing value
14-30 Reserved
F 002158
1 Mismatch in RED VEC HPA
2 Mismatch in RED VEC RFSS
3 PTR calibration band 320 MHz (Ku)
4 PTR calibration band 80 MHz (Ku)
5 PTR calibration band 20 MHz (Ku)
6 PTR calibration band 160 MHz (S)
7 Ku flight calibration parameters available
8 S flight calibration parameters available
All 9 Missing value
Note: PTR = Pulse Target Response; HPA = High Power Amplifier; RFSS Radio Frequency Sub-System; RED = Redundancy.
F 002159
1 Temperature inconsistency
2 Data is missing
3 Redundancy channel
4 Power bus protection
5 Overvoltage/Overload protection
6 Reserved
7 Reserved
All 8 Missing value
Note: MWR - Microwave radiometer .
C 002160
0 Reserved
1 10 to less than 20 mm
2 Reserved
3 20 to less than 40 mm
4 Reserved
5 40 to less than 60 mm
6 Reserved
7 60 to less than 90 mm
8 90 to less than 110 mm
9 110 mm and greater
15 Missing value
10-14 Not used
C 002161
11 Wind height calculated from median cloud-top pressure of target
12 Target is cloudy
13 Low-level inversion
14 CCC method
15 Nested tracking
All 16 Missing value
1-10 Reserved
C 002162
0 Auto editor
1 IRW height assignment
2 WV height assignment
3 H2O intercept height assignment
4 CO2 slicing height assignment
5 Low pixel max gradient
6 Higher pixel max gradient
7 Primary height assignment
8 Layer thickness assignment
9 Cumulative contribution function - 10 percent height
10 Cumulative contribution function - 50 percent height
11 Cumulative contribution function - 90 percent height
12 Cumulative contribution function - height of maximum gradient
13 IR/two WV channel rationing method
14 Composite height assignment
15 Optimal estimation
16 Inversion correction
17 Geometric height assignment
63 Missing value
18-62 Reserved
C 002163
0 Auto editor
1 IRW height assignment
2 WV height assignment
3 H2O intercept height assignment
4 CO2 slicing height assignment
5 Low pixel max gradient
6 Higher pixel max gradient
7 Primary height assignment
8 Layer thickness assignment
9 Cumulative contribution function - 10 per cent height
10 Cumulative contribution function - 50 per cent height
11 Cumulative contribution function - 90 per cent height
12 Cumulative contribution function - height of maximum gradient
13 IR / two WV channel ratioing method
14 Composite height assignment
15 Missing value
C 002164
0 LP - Norms least square minimum
1 EN - Euclidean norm with radiance correlation
2 CC - Cross correlation
3 Stereo matching
7 Missing value
4-6 Reserved
F 002165
1 Clear path
2 Partly cloudy path
3 Cloudy path
4 Apodized
5 Unapodized
6 Reconstructed
7 Cloud cleared
8-14 Reserved
All 15 Missing value
C 002166
0 Type not defined
1 Automated statistical regression
2 Clear path
3 Partly cloudy path
4 Cloudy path
15 Missing value
5-14 Reserved
C 002167
0 Method not defined
1 1b raw radiance
2 Processed radiance
15 Missing value
3-14 Reserved
C 002169
0 Cup rotor
1 Propeller rotor
2 Wind Observation Through Ambient Noise (WOTAN)
3 Sonic
15 Missing value
4-14 Reserved
C 002170
0 SpectraSensors WVSS-II, Version 1
1 SpectraSensors WVSS-II, Version 2
2 SpectraSensors WVSS-II, Version 3
62 Other
63 Missing value
3-61 Reserved
C 002172
0 Reserved
1 Retrieval from a nadir sounding
2 Retrieval from a limb sounding
255 Missing value
3-254 Reserved
C 002175
0 Manual measurement
1 Tipping bucket method
2 Weighing method
3 Optical method
4 Pressure method
5 Float method
6 Drop counter method
14 Others
15 Missing value
7-13 Reserved
C 002176
0 Manual observation
1 Video camera method
2 Infrared method
3 Laser method
14 Others
15 Missing value
4-13 Reserved
C 002177
0 Manual observation
1 Ultrasonic method
2 Video camera method
3 Laser method
14 Others
15 Missing value
4-13 Reserved
C 002178
0 Manual observation
1 Optical method
2 Capacitive method
14 Others
15 Missing value
3-13 Reserved
C 002179
0 Manual observation
1 VAISALA algorithm
2 ASOS (FAA) algorithm
3 AWOS (Canada) algorithm
14 Others
15 Missing value
4-13 Reserved
C 002180
0 Manual observation
1 Optical scatter system combined with precipitation occurrence sensing system
2 Forward and/or backscatter system of visible light
3 Forward and/or backscatter system of infrared light
4 Infrared light emitting diode (IRED) system
5 Doppler radar system
14 Others
15 Missing value
6-13 Reserved
F 002181
1 Rain detector
2 Freezing rain sensor
3 Ice detection sensor
4 Hail and ice pellet sensor
20 Others
All 21 Missing value
5-19 Reserved
C 002182
0 Manual measurement
1 Transmissometer system (base > 25 m)
2 Transmissometer system (base < 25 m)
3 Forward scatter system
4 Backscatter system
14 Others
15 Missing value
5-13 Reserved
C 002183
0 Manual observation
1 Ceilometer system
2 Infrared camera system
3 Microwave visual camera system
4 Sky imager system
5 Video time-lapsed camera system
6 Micropulse lidar (MPL) system
14 Others
15 Missing value
7-13 Reserved
C 002184
0 Manual observation
1 Lightning imaging sensor
2 Electrical storm identification sensor
3 Magnetic finder sensor
4 Lightning strike sensor
5 Flash counter
6 ATDnet VLF waveform correlated sensor
14 Others
15 Missing value
7-13 Reserved
C 002185
0 Manual measurement
1 Balanced floating method
2 Pressure method
3 Ultrasonic method
4 Hydraulic method
14 Others
15 Missing value
5-13 Reserved
F 002186
1 Precipitation-unknown type
2 Liquid precipitation not freezing
3 Liquid freezing precipitation
4 Drizzle
5 Rain
6 Solid precipitation
7 Snow
8 Snow grains
9 Snow pellets
10 Ice pellets
11 Ice crystals
12 Diamond dust
13 Small hail
14 Hail
15 Glaze
16 Rime
17 Soft rime
18 Hard rime
19 Clear ice
20 Wet snow
21 Hoar frost
22 Dew
23 White dew
24 Convective precipitation
All 30 Missing value
25-29 Reserved
F 002187
1 Dust/sand whirl
2 Squalls
3 Sand storm
4 Dust storm
5 Lightning - cloud to surface
6 Lightning - cloud to cloud
7 Lightning - distant
8 Thunderstorm
9 Funnel cloud not touching surface
10 Funnel cloud touching surface
11 Spray
All 18 Missing value
12-17 Reserved
F 002188
1 Fog
2 Ice fog
3 Steam fog
7 Mist
8 Haze
9 Smoke
10 Volcanic ash
11 Dust
12 Sand
13 Snow
All 21 Missing value
4-6, 14-20 Reserved
F 002189
1 Manual observation
2 All lightning strikes without discrimination
3 Lightning strikes cloud to ground only
4 All lightning strikes with discrimination between cloud to ground and cloud to cloud
All 12 Missing value
5-11 Reserved
C 002191
0 Geopotential height calculated from pressure
1 Geopotential height calculated from GPS height
2 Geopotential height calculated from radar height
15 Missing value
3-14 Reserved
C 003001
0 Land station (synoptic network)
1 Shallow water station (fixed to sea/lake floor)
2 Ship
3 Rig/platform
4 Moored buoy
5 Drifting buoy (or drifter)
6 Ice buoy
7 Land station (local network)
8 Land vehicle
9 Autonomous marine vehicle
31 Missing value
10-30 Reserved (for future use)
C 003003
0 Screen
1 Sling/whirling
2 Unscreened
3 Radiation shield
4 Aspirated (e.g. Assmann)
5 Other shelter
6 Handheld
15 Missing value
7-14 Reserved for future use
C 003004
0 Stevenson screen
1 Marine Stevenson screen
2 Cylindrical section plate shield
3 Concentric tube
4 Rectangular section shield
5 Square section shield
6 Triangular section shield
7 Open covered lean-to
8 Open covered inverted V roof
9 Integrated (e.g. chilled mirror)
15 Missing value
10-14 Reserved for future use
C 003008
0 Natural ventilation in use
1 Artificial aspiration in use: constant flow at time of reading
2 Artificial aspiration in use: variable flow at time of reading
7 Missing value
3-6 Reserved
C 003010
0 Reserved
1 ADCP**
2 GEK (Geomagnetic ElectroKinetograph)
3 Ship's set and drift determined by fixes 3-6 hours apart
4 Ship's set and drift determined by fixes more than 6 hours but less than 12 hours apart
5 Drift of buoy
6 ADCP
7 ADCP bottom tracking mode
8 Electromagnetic sensor
9 Rotor and vane
10 Lowered ADCP
15 Missing value
11-14 Reserved
(**) Value deprecated, code figure 6 should be used instead.
ADCP = Acoustic Doppler Current Profile
C 003011
0 Depth calculated using fall rate equation
1 Depth calculated from water pressure/equation of state
2 Reserved
3 Missing value
C 003012
0 Anderraa Oxygen optode
1 Winkler bottle
15 Missing value
2-14 Reserved
C 003016
0 Fast lane between the wheel tracks
1 Fast lane between the wheel tracks in the opposite direction
2 Fast lane in the wheel tracks
3 Fast lane in the wheel tracks in the opposite direction
4 Slow lane between the wheel tracks
5 Slow lane between the wheel tracks in the opposite direction
6 Slow lane in the wheel tracks
7 Slow lane in the wheel tracks in the opposite direction
15 Missing value
8-14 Reserved
C 003017
1 Automatic
2 Manned
3 Event triggered
4 Longer time period than the standard
5 Reserved
All 6 Missing value
C 003018
0 Free track without further information
1 Free track, embankment
2 Free track, flat relative to surroundings
3 Free track, water basin(s) in vicinity
4 Free track, forest
5 Free track, cleft
6 Free track, on hilltop
7 Free track, on hilltop, forest
8 Free track, in valley
9 Free track, in valley, forest
10 Free track, north inclination
11 Free track, north inclination, forest
12 Free track, south inclination
13 Free track, south inclination, forest
20 Bridge without further information
21 Bridge across a valley in an urban area
22 Bridge across a valley with forest/meadows/fields
23 Bridge across street/track
24 Bridge across big river/canal
25 Bridge across river/canal of medium size
26 Bridge across a small stream/loading canal
31 Missing value
14-19 Reserved, 27-30 Reserved
C 003019
0 Asphalt
1 Concrete
2 Concrete construction
3 Steel-girder construction
4 Box girder bridge
5 Orthotropic slab
6 Drain asphalt
15 Missing value
7-14 Reserved
C 003020
0 Wood
1 Metal alloy
2 Plastic/GRP*
3 Reed/grass/leaf
7 Missing value
4-6 Reserved for future use
(*) GRP = Glass-reinforced plastic
C 003021
0 Unheated
1 Heated
2 Not applicable
3 Missing value
C 003022
0 National hydrometeorological/weather service
1 Other
2 Standards institute
7 Missing value
3-6 Reserved for future use
C 003023
0 Single v-section louvers
1 Overlapping louvers
2 Double v-section louvers
3 Non-overlapping louvers
4 Vented, non-louvered
5 Not applicable
6 Reserved for future use
7 Missing value
C 003027
0 Solo (single radiosonde)
1 Block
2 Bar
3 Cross
4 T-rig
5 Double T-rig
6 Complex
15 Missing value
7-14 Reserved
C 004059
1 0000 UTC
2 0600 UTC
3 1200 UTC
4 1800 UTC
5 Other hours
All 6 Missing value
C 004080
0 Spot values
1 Less than 15 minutes
2 From 15 to 45 minutes
3 More than 45 minutes
9 Data not available
15 Missing value
4-8 Reserved
10-14 Not used
C 005069
0 Mie
1 Rayleigh
2 Reserved
3 Missing value
#
F 008001
1 Surface
2 Standard level
3 Tropopause level
4 Maximum wind level
5 Significant level, temperature and/or relative humidity
6 Significant level, wind
All 7 Missing value
C 008002
0 Observing rules for base of lowest cloud and cloud types of FM 12 SYNOP and FM 13 SHIP apply
1 First non-Cumulonimbus significant layer
2 Second non-Cumulonimbus significant layer
3 Third non-Cumulonimbus significant layer
4 Cumulonimbus layer
5 Ceiling
6 Clouds not detected below the following height(s)
7 Low cloud
8 Middle cloud
9 High cloud
10 Cloud layer with base below and top above the station
11 Cloud layer with base and top below the station level
20 No clouds detected by the cloud detection system
21 First instrument detected cloud layer
22 Second instrument detected cloud layer
23 Third instrument detected cloud layer
24 Fourth instrument detected cloud layer
62 Value not applicable
63 Missing value
12-19, 25-61 Reserved
C 008003
0 Surface
1 Base of satellite sounding
2 Cloud top
3 Tropopause
4 Precipitable water
5 Sounding radiances
6 Mean temperatures
7 Ozone
8 Low cloud
9 Med cloud
10 High cloud
63 Missing value
11-62 Reserved
C 008004
0 Reserved
1 Reserved
2 Unsteady (UNS)
3 Level flight, routine observation (LVR)
4 Level flight, highest wind encountered (LVW)
5 Ascending (ASC)
6 Descending (DES)
7 Missing value
C 008005
0 Reserved
1 Storm centre
2 Outer limit or edge of storm
3 Location of maximum wind
4 Location of the storm in the perturbed analysis
5 Location of the storm in the analysis
15 Missing value
6-14 Reserved
F 008006
1 Surface
2 Standard level
3 Tropopause level
4 Prominent maximum level
5 Prominent minimum level
6 Minimum pressure level
7 Reserved
8 Level of undetermined significance
All 9: Missing value
C 008007
0 Point
1 Line
2 Area
3 Volume
15 Missing value
4-14 Reserved
Note:
F 008008
1 Surface
2 Standard level
3 Tropopause level
4 Level of beta radiation maximum
5 Level of gamma radiation maximum
6 Minimum pressure level
7 Reserved
8 Level of undetermined significance
All 9 Missing value
C 008009
0 Level flight, routine observation, unsteady
1 Level flight, highest wind encountered, unsteady
2 Unsteady (UNS)
3 Level flight, routine observation (LVR)
4 Level flight, highest wind encountered (LVW)
5 Ascending (ASC)
6 Descending (DES)
7 Ascending, observation intervals selected by time increments
8 Ascending, observation intervals selected by time increments, unsteady
9 Ascending, observation intervals selected by pressure increments
10 Ascending, observation intervals selected by pressure increments, unsteady
11 Descending, observation intervals selected by time increments
12 Descending, observation intervals selected by time increments, unsteady
13 Descending, observation intervals selected by pressure increments
14 Descending, observation intervals selected by pressure increments, unsteady
15 Missing value
C 008010
0 Reserved
1 Bare soil
2 Bare rock
3 Land grass cover
4 Water (lake, sea)
5 Flood water underneath
6 Snow
7 Ice
8 Runway or road
9 Ship or platform deck in steel
10 Ship or platform deck in wood
11 Ship or platform deck partly covered with rubber mat
12 Building roof
31 Missing value
13-30 Reserved
C 008011
0 Quasi-stationary front at the surface
1 Quasi-stationary front above the surface
2 Warm front at the surface
3 Warm front above the surface
4 Cold front at the surface
5 Cold front above the surface
6 Occlusion
7 Instability line
8 Intertropical front
9 Convergence line
10 Jet stream
11 Cloud clear
12 Cloud
13 Turbulence
14 Storm
15 Airframe icing
16 Phenomenon
17 Volcano
18 Atmospherics
19 Reserved
20 Special clouds
21 Thunderstorm
22 Tropical cyclone
23 Mountain wawe
24 Duststorm
25 Sandstorm
63 Missing value
26-62 Reserved
C 008012
0 Land
1 Sea
2 Coast
3 Missing value
C 008013
0 Night
1 Day
2 Twilight
3 Missing value
C 008014
0 10-minute mean value - normal value
1 10-minute mean value - above the upper limit for assessments of RVR (P)
2 10-minute mean value - below the lower limit for assessments of RVR (M)
3 one-minute minimum value - normal value
4 one-minute minimum value - above the upper limit for assessments of RVR (P)
5 one-minute minimum value - below the lower limit for assessments of RVR (M)
6 one-minute maximum value - normal value
7 one-minute maximum value - above the upper limit for assessments of RVR (P)
8 one-minute maximum value - below the lower limit for assessments of RVR (M)
15 Missing value
9-14 Reserved
C 008015
0 Single sensor
1 Primary sensor
2 Secondary sensor (Backup)
7 Missing value
3-6 Reserved
C 008016
0 NOSIG
1 BECMG
2 TEMPO
3 FM
7 Missing value
4-6 Reserved
C 008017
0 FM
1 TL
2 AT
3 Missing value
F 008018
1 Land is present
2 Surface ice map indicates ice is present
11 Ice map data not available
12 Attenuation map data not available
All 17 Missing value
3-10, 13-16 Reserved
C 008019
0 Reserved
1 ATS (Air Traffic Service) unit serving FIR (Flight Information Region)
2 FIR (Flight Information Region)
3 UIR (Upper Flight Information Region)
4 CTA (Control Area)
5 VAAC (Volcanic Ash Advisory Centre)
6 MWO (Meteorological Watch Office) issuing SIGMET
15 Missing value
7-14 Reserved
C 008021
0 Reserved
1 Time series
2 Time averaged (see Note 1)
3 Accumulated
4 Forecast
5 Forecast time series
6 Forecast time averaged
7 Forecast accumulated
8 Ensemble mean (see Note 2)
9 Ensemble mean time series
10 Ensemble mean time averaged
11 Ensemble mean accumulated
12 Ensemble mean forecast
13 Ensemble mean forecast time series
14 Ensemble mean forecast time averaged
15 Ensemble mean forecast accumulated
16 Analysis
17 Start of phenomenon
18 Radiosonde launch time
19 Start of orbit
20 End of orbit
21 Time of ascending node
22 Time of occurrence of wind shift
23 Monitoring period
24 Agreed time limit for report reception
25 Nominal reporting time
26 Time of last known position
27 First guess
28 Start of scan
29 End of scan or time of ending
30 Time of occurrence
31 Missing value
Notes:
C 008023
0 Reserved
1 Reserved
2 Maximum value
3 Minimum value
4 Mean value
5 Median value
6 Modal value
7 Mean absolute error
8 Reserved
9 Best estimate of standard deviation (N-1)
10 Standard deviation (N)
11 Harmonic mean
12 Root-mean-square vector error
13 Root-mean-square
32 Vector mean
63 Missing value
14-31 Reserved
33-62 Reserved for local use
Note: All first order statistics are in the units defined by the original data descriptors.
C 008024
0 Reserved
1 Reserved
2 Observed minus maximum
3 Observed minus minimum
4 Observed minus mean
5 Observed minus median
6 Observed minus mode
11 Observed minus climatology (anomaly)
12 Observed minus analysed value
13 Observed minus initialized analysed value
14 Observed minus forecast value
21 Observed minus interpolated value
22 Observed minus hydrostatically calculated value
63 Missing value
7-10, 15-20, 23-31 Reserved
32-62 Reserved for local use
Notes:
C 008025
0 Universal Time Coordinated (UTC) minus Local Standard Time (LST)
1 Local Standard Time
2 Universal Time Coordinated (UTC) minus Satellite clock
5 Time difference from edge of processing segment
15 Missing
3-4, 6-14 Reserved
C 008026
0 Averaging kernel matrix
1 Correlation matrix (C)
2 Lower triangular correlation matrix square root (L from C=LLT)
3 Inverse of lower triangular correlation matrix square root (L-1)
63 Missing or undefined significance
4-42 Reserved, 43-62 Reserved for local use
C 008029
0 Open ocean or semi-enclosed sea
1 Enclosed sea or lake
2 Continental ice
3 Land
4 Low inland (below sea level)
5 Mix of land and water
6 Mix of land and low inland
11 River
12 Lake
13 Sea
14 Glacier
15 Urban land
16 Rural land
17 Suburban land
18 Sea ice
255 Missing value
7-10, 19-254 Reserved
C 008032
0 Routine operation
1 Event triggered by storm surge
2 Event triggered by tsunami
3 Event triggered manually
4 Installation testing
5 Maintenance testing
15 Missing value
6-14 Reserved
C 008033
0 Reserved
1 Percentage confidence calculated using cloud fraction
2 Percentage confidence calculated using standard deviation of temperature
3 Percentage confidence calculated using probability of cloud contamination
4 Percentage confidence calculated using normality of distribution
127 Missing value
5-126 Reserved
C 008034
0 Secondary sampling: averaged
1 Secondary sampling: discrete
2 Secondary sampling: mixed
3 Near-surface sampling: averaged, pumped
4 Near-surface sampling: averaged, unpumped
5 Near-surface sampling: discrete, pumped
6 Near-surface sampling: discrete, unpumped
7 Near-surface sampling: mixed, pumped
8 Near-surface sampling: mixed, unpumped
15 Missing value
9-14 Reserved
C 008035
0 Global
1 Regional
2 National
3 Special
4 Bilateral
5 Reserved
6 Reserved
7 Missing value
C 008036
0 WMO Secretariat
1 WMO
2 RSMC
3 NMC
4 RTH
5 Observing site
6 Other
7 Missing value
C 008037
0 Manufacturer’s baseline check unit
1 Weather screen
2 GRUAN standard humidity chamber
31 Missing value
3-30 Reserved
C 008038
0 Verified instrument reading
1 Reference instrument reading
255 Missing value
2-254 Reserved
C 008039
0 Issue time of forecast
1 Time of commencement of period of the forecast
2 Time of ending of period of the forecast
3 Forecast time of maximum temperature
4 Forecast time of minimum temperature
5 Time of beginning of the forecast change
6 Time of ending of the forecast change
63 Missing value
7-62 Reserved
C 008040
0 High-resolution data sample
1 Within 20 hPa of surface
2 Pressure less than 10 hPa (i.e., 9, 8, 7, etc.) when no other reason applies
3 Base pressure level for stability index
4 Begin doubtful temperature, height data
5 Begin missing data (all elements)
6 Begin missing relative humidity data
7 Begin missing temperature data
8 Highest level reached before balloon descent because of icing or turbulence
9 End doubtful temperature, height data
10 End missing data (all elements)
11 End missing relative humidity data
12 End missing temperature data
13 Zero degrees Celsius crossing(s) for RADAT
14 Standard pressure level
15 Operator-added level
16 Operator-deleted level
17 Balloon re-ascended beyond previous highest ascent level
18 Significant relative humidity level
19 Relative humidity level selection terminated
20 Surface level
21 Significant temperature level
22 Mandatory temperature level
23 Flight termination level
24 Tropopause(s)
25 Aircraft report
26 Interpolated (generated) level
27 Mandatory wind level
28 Significant wind level
29 Maximum wind level
30 Incremental wind level (fixed regional)
31 Incremental height level (generated)
32 Wind termination level
33 Pressure 100 to 110 hPa, when no other reason applies
34 Freezing level base
35 Freezing level top
36 Flight level base
37 Flight level top
38 Top of wind sounding
39 Bottom of wind sounding
40 Significant thermodynamic level (inversion)
41 Significant relative humidity level (according to NCDC criteria)
42 Significant temperature level (according to NCDC)
43 Begin missing wind data
44 End missing wind data
60 Level of 80-knot isotach above jet
61 Level of 80-knot isotach below jet
62 Other
63 Missing value
45-59 Reserved
C 008041
0 Parent site
1 Observation site
2 Balloon manufacture date
3 Balloon launch point
4 Surface observation
5 Surface observation displacement from launch point
6 Flight level observation
7 Flight level termination point
8 IFR ceiling and visibility
9 Mountain obscuration
10 Strong surface wind
11 Freezing level
12 Multiple freezing level
13 Instrument manufacture date
31 Missing value
14-30 Reserved
F 008042
1 Surface
2 Standard level
3 Tropopause level
4 Maximum wind level
5 Significant temperature level
6 Significant humidity level
7 Significant wind level
8 Beginning of missing temperature data
9 End of missing temperature data
10 Beginning of missing humidity data
11 End of missing humidity data
12 Beginning of missing wind data
13 End of missing wind data
14 Top of wind sounding
15 Level determined by regional decision
16 Freezing level
17 Pressure level originally indicated by height as the vertical coordinate
All 18 Missing value
Note: The last column in the table contains the associated registry number from the Chemical Abstracts Service (CAS) of the American Chemical Society.
C 008043
0 Ozone - O3 - 10028-15-6
1 Water vapour - H2O - 7732-18-5
2 Methane - CH4 - 74-82-8
3 Carbon dioxide - CO2 - 124-38-9
4 Carbon monoxide - CO - 630-08-0
5 Nitrogen dioxide - NO2 - 10102-44-0
6 Nitrous oxide - N2O - 10024-97-2
7 Formaldehyde - HCHO - 50-00-0
8 Sulphur dioxide - SO2 - 7446-09-5
25 Particulate matter < 1.0 microns
26 Particulate matter < 2.5 microns
27 Particulate matter < 10 microns
28 Aerosols (generic)
29 Smoke (generic)
30 Crustal material (generic dust)
31 Volcanic ash
255 Missing value
09-24 Reserved, 32-200 Reserved, 201-254 Reserved for local use
C 008050
0 Reserved
1 Pressure
2 Temperature
3 Extreme temperature
4 Vapour pressure
5 Precipitation
6 Sunshine duration
7 Maximum temperature
8 Minimum temperature
9 Wind
15 Missing value
10-14 Reserved
C 008051
1 Pressure
2 Temperature
3 Extreme temperature
4 Vapour pressure
5 Precipitation
6 Sunshine duration
7 Missing value
C 008052
0 Mean wind speed over a 10-minute period observed or recorded equal to or more than 10 m/s or 20 knots
1 Mean wind speed over a 10-minute period observed or recorded equal to or more than 20 m/s or 40 knots
2 Mean wind speed over a 10-minute period observed or recorded equal to or more than 30 m/s or 60 knots
3 Maximum temperature less than 273.15 K
4 Maximum temperature equal to or more than 298.15 K
5 Maximum temperature equal to or more than 303.15 K
6 Maximum temperature equal to or more than 308.15 K
7 Maximum temperature equal to or more than 313.15 K
8 Minimum temperature less than 273.15 K
9 Maximum temperature equal to or more than 273.15 K
10 Precipitation equal to or more than 1.0 kg/m²
11 Precipitation equal to or more than 5.0 kg/m²
12 Precipitation equal to or more than 10.0 kg/m²
13 Precipitation equal to or more than 50.0 kg/m²
14 Precipitation equal to or more than 100.0 kg/m²
15 Precipitation equal to or more than 150.0 kg/m²
16 Snow depth more than 0.00 m
17 Snow depth more than 0.01 m
18 Snow depth more than 0.10 m
19 Snow depth more than 0.50 m
20 Horizontal visibility less than 50 m
21 Horizontal visibility less than 100 m
22 Horizontal visibility less than 1000 m
23 Hail
24 Thunderstorm
31 Missing value
25-30 Reserved
C 008053
0 Value occurred on only one day in the month
1 Value occurred on more than one day in the month
2 Reserved
3 Missing value
C 008054
0 Wind speed or gust is as reported
1 Wind speed is greater than that reported (P in METAR/TAF/SPECI)
7 Missing value
2-6 Reserved
C 008060
0 Reserved
1 Range
2 Azimuth
3 Horizontal
4 Vertical
5 North/South
6 East/West
15 Missing value
7-14 Reserved
C 008065
0 No sun-glint
1 Sun-glint
2 Reserved
3 Missing value
C 008066
0 Opaque
1 Semi-transparent
2 Reserved
3 Missing value
C 008070
0 Reserved
1 Reserved
2 Earth located instrument counts, calibration coefficients and housekeeping (level 1b)
3 Earth located calibrated radiances (level 1c)
4 Mapped to a common footprint, Earth located calibrated radiances (level 1d)
15 Missing value
5-14 Reserved
C 008072
0 Mixed
1 Clear
2 Cloudy
3 Probably clear
4 Probably cloudy
7 Missing value
5-6 Reserved
C 008074
0 Open ocean or semi-enclosed sea
1 Non-ocean like
2 Reserved
3 Missing value
C 008075
0 Ascending orbit
1 Descending orbit
2 Reserved
3 Missing value
C 008076
0 Ku
1 C
2 Long-wave infrared
3 Medium-wave infrared
4 Short-wave infrared
5 M
6 I
7 Day/night
63 Missing value
8-62 Reserved
C 008077
0 Land
1 Sea
2 Coastal
3 Open ocean or semi-enclosed sea
4 Enclosed sea or lake
5 Continental ice
127 Missing value
6-126 Reserved
C 008079
0 Normal issue
1 Correction to a previously issued product (COR)
2 Amendment to a previously issued product (AMD)
3 Correction to a previously issued amended product (COR AMD)
4 Cancellation of a previously issued product (CNL)
5 No product available (NIL)
6 Special report (SPECI)
7 Corrected special report (SPECI COR)
15 Missing or not applicable
8-14 Reserved
C 008080
0 Total water pressure profile
1 Total water temperature profile
2 Total water salinity profile
3 Total water conductivity profile
4 Total water depth
10 Water pressure at a level
11 Water temperature at a level
12 Salinity at a level
13 Water depth at a level
14 Sea/water current speed at a level
15 Sea/water current direction at a level
16 Dissolved oxygen at a level
20 Position
63 Missing value
5-9, 17-19, 21-62 Reserved
(*) GTSPP = Global Temperature Salinity Profile Programme
C 008081
0 Sensor
1 Transmitter
2 Receiver
3 Observing platform
63 Missing value
4-62 Reserved
C 008082
0 Sensor height is not modified
1 Sensor height is modified to standard level*
7 Missing value
2-6 Reserved
Notes
F 008083
1 Adjusted to or with respect to representative height of sensor above local ground (or deck of marine platform)
2 Adjusted to or with respect to representative height of sensor above water surface
3 Adjusted with respect to standard surface roughness
4 Adjusted with respect to wind speed
5 Adjusted with respect to temperature
6 Adjusted with respect to pressure
7 Adjusted with respect to humidity
8 Adjusted with respect to evaporation
9 Adjusted with respect to wetting losses
All 15 Missing value
10-14 Reserved
C 008085
0 Fore beam
1 Mid beam
2 Aft beam
7 Missing value
3-6 Reserved
F 008086
1 Model "ground" surface
2 Standard level
3 Tropopause level
4 Maximum wind level
5 Significant temperature level
6 Significant humidity level
7 Significant wind level
8 Vertically interpolated level (This should be set to 1 for points on the vertical profile that fall between the model's native vertical levels.)
9 Virtual station height
10 Level of best fit
11 Reserved
All 12 bits Missing value
C 008087
0 Upper left
1 Upper right
2 Lower right
3 Lower left
7 Missing value
4-6 Reserved
C 008088
0 Top view (geographical longitude on x-axis and latitude on y-axis)
1 North-South view (transect with geographical longitude on x-axis and vertical height on y-axis)
2 East-West view (transect with geographical latitude on x-axis and vertical height on y-axis)
63 Missing
3-62 Reserved
C 008091
0 Satellite coordinates
1 Observation coordinates
2 Start of observation
3 End of observation
4 Horizontal centre of gravity of the observation
5 Vertical centre of gravity of the observation
6 Top of the observation
7 Bottom of the observation
8 Projection origin
9 Coordinates of true scale
255 Missing value
10-254 Reserved
C 008092
0 Standard uncertainty
31 Missing value
1-30 Reserved
C 008093
0 Total uncertainty
1 Systematic component of uncertainty
2 Random component of uncertainty
31 Missing value
3-30 Reserved
#
C 010063
0 Increasing, then decreasing; atmospheric pressure the same or higher than three hours ago
1 Increasing, then steady; or increasing, then increasing more slowly
2 Increasing (steadily or unsteadily)
3 Decreasing or steady, then increasing; or increasing, then increasing more rapidly
4 Steady; atmospheric pressure the same as three hours ago
5 Decreasing, then increasing; atmospheric pressure the same or lower than three hours ago
6 Decreasing, then steady; or decreasing, then decreasing more slowly
7 Decreasing (steadily or unsteadily)
8 Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly
15 Missing
9-14 Reserved
Notes:
C 010064
0 Subsonic
1 Transonic
2 Supersonic
7 Missing value
3-6 Reserved
C 011030
0 Nil - in cloud
1 Light - in cloud
2 Moderate - in cloud
3 Severe - in cloud
4 Nil - in clear air
5 Light - in clear air
6 Moderate - in clear air
7 Severe - in clear air
8 Nil - cloud/clear air not specified
9 Light - cloud/clear air not specified
10 Moderate - cloud/clear air not specified
11 Severe - cloud/clear air not specified
12 Extreme, in clear air
13 Extreme, in cloud
14 Extreme, cloud/clear air not specified
15 Light, isolated moderate
16 Light, occasional moderate
17 Light, frequently moderate
18 Moderate, isolated severe
19 Moderate, occasional severe
20 Moderate, frequently severe
21 Severe, isolated extreme
22 Severe, occasional extreme
23 Severe, frequently extreme
63 Missing value
24-62 Reserved
C 011031
0 Nil - in cloud
1 Light - in cloud
2 Moderate - in cloud
3 Severe - in cloud
4 Nil - in clear air
5 Light - in clear air
6 Moderate - in clear air
7 Severe - in clear air
8 Nil - cloud/clear air not specified
9 Light - cloud/clear air not specified
10 Moderate - cloud/clear air not specified
11 Severe - cloud/clear air not specified
12 Extreme, in clear air
13 Extreme, in cloud
14 Extreme, cloud/clear air not specified
15 Missing value
C 011037
0 ave < 0.1 peak < 0.1
1 ave < 0.1 0.1 <= peak < 0.2
2 0.1 <= ave < 0.2 0.1 <= peak < 0.2
3 ave < 0.1 0.2 <= peak < 0.3
4 0.1 <= ave < 0.2 0.2 <= peak < 0.3
5 0.2 <= ave < 0.3 0.2 <= peak < 0.3
6 ave < 0.1 0.3 <= peak < 0.4
7 0.1 <= ave < 0.2 0.3 <= peak < 0.4
8 0.2 <= ave < 0.3 0.3 <= peak < 0.4
9 0.3 <= ave < 0.4 0.3 <= peak < 0.4
10 ave < 0.1 0.4 <= peak < 0.5
11 0.1 <= ave < 0.2 0.4 <= peak < 0.5
12 0.2 <= ave < 0.3 0.4 <= peak < 0.5
13 0.3 <= ave < 0.4 0.4 <= peak < 0.5
14 0.4 <= ave < 0.5 0.4 <= peak < 0.5
15 ave < 0.1 0.5 <= peak < 0.8
16 0.1 <= ave < 0.2 0.5 <= peak < 0.8
17 0.2 <= ave < 0.3 0.5 <= peak < 0.8
18 0.3 <= ave < 0.4 0.5 <= peak < 0.8
19 0.4 <= ave < 0.5 0.5 <= peak < 0.8
20 0.5 <= ave < 0.8 0.5 <= peak < 0.8
21 ave < 0.1 0.8 <= peak
22 0.1 <= ave < 0.2 0.8 <= peak
23 0.2 <= ave < 0.3 0.8 <= peak
24 0.3 <= ave < 0.4 0.8 <= peak
25 0.4 <= ave < 0.5 0.8 <= peak
26 0.5 <= ave < 0.8 0.8 <= peak
27 0.8 <= ave 0.8 <= peak
28 Nil Nil
63 Missing value
29-62 Reserved
Minutes prior to observation time (min)
C 011038
0 min < 1
1 1 <= min < 2
2 2 <= min < 3
3 3 <= min < 4
4 4 <= min < 5
5 5 <= min < 6
6 6 <= min < 7
7 7 <= min < 8
8 8 <= min < 9
9 9 <= min < 10
10 10 <= min < 11
11 11 <= min < 12
12 12 <= min < 13
13 13 <= min < 14
14 14 <= min < 15
15 No timing information available
31 Missing value
16-30 Reserved
C 011039
0 min < 1
1 1 <= min < 2
2 2 <= min < 3
3 3 <= min < 4
4 4 <= min < 5
5 5 <= min < 6
6 6 <= min < 7
7 7 <= min < 8
8 8 <= min < 9
9 9 <= min < 10
10 10 <= min < 11
11 11 <= min < 12
12 12 <= min < 13
13 13 <= min < 14
14 14 <= min < 15
60 No timing information available
63 Missing value
15-59 As above to 59 <= min < 60
61-62 Reserved
C 013038
0 Not superadiabatic
1 Superadiabatic
2 Reserved
3 Missing value
C 013039
0 Sea ice
1 Snow on land
7 Missing value
2-6 Reserved
C 013040
0 Land
1 Reserved
2 Near coast
3 Ice
4 Possible ice
5 Ocean
6 Coast
7 Inland water*
8 Snow cover
9 Sea ice
10 Standing water
11 Snow
15 Missing value
12-14 Reserved
(*) Inland water includes river, lake, wetland and swamp.
C 013041
1 A
2 A - B
3 B
4 B - C
5 C
6 D
7 E
8 F
9 G
15 Missing value
10-14 Reserved
C 013051
0 Smaller than any value in the 30-year period
1 In the first quintile
2 In the second quintile
3 In the third quintile
4 In the fourth quintile
5 In the fifth quintile
6 Greater than any value in the 30-year period
15 Missing value
7-14 Reserved
C 013056
0 No precipitation
1 Light intermittent
2 Moderate intermittent
3 Heavy intermittent
4 Very heavy intermittent
5 Light continuous
6 Moderate continuous
7 Heavy continuous
8 Very heavy continuous
9 Variable - alternatively light and heavy
15 Missing value
10-14 Reserved
C 013057
0 No precipitation
1 Within the last hour
2 1 to 2 hours ago
3 2 to 3 hours ago
4 3 to 4 hours ago
5 4 to 5 hours ago
6 5 to 6 hours ago
7 6 to 8 hours ago
8 8 to 10 hours ago
9 More than 10 hours ago
15 Missing value
10-14 Reserved
C 015025
0 Ozone
11 Fine particulate matter (diameter < 2.5 microns)
12 Fine particulate matter (diameter < 10 microns)
15 Missing value
1-10, 13-14 Reserved
C 019001
0 Depression or low (extratropical)
1 Tropical depression
2 Tropical storm
3 Severe tropical storm
4 Typhoon
10 Dust/sandstorm
63 Missing value
5-9, 11-62 Reserved
Note: New local names for storms of various strenghts shall be added as necessary.
C 019008
0 Reserved
1 Shallow (top of circulation below 700-hPa level)
2 Medium (top between 700-hPa and 400-hPa level)
3 Deep (top above 400-hPa level)
7 Missing value
4-6 Reserved
C 019010
1 Minimum value of sea level pressure
2 Maximum value of 850 hPa relative vorticity
15 Missing value
3-14 Reserved
C 019100
3 During the preceding 15 minutes
4 During the preceding 30 minutes
5 During the preceding 1 hour
6 During the preceding 2 hours
7 During the preceding 3 hours
8 During the preceding 6 hours
9 During a period of more than 6 hours
10 Undetermined
15 Missing value
0-2, 11-14 Not used
C 019101
0 Reserved
1 Eye visible on radar scope, accuracy good (within 10 km)
2 Eye visible on radar scope, accuracy fair (within 30 km)
3 Eye visible on radar scope, accuracy poor (within 50 km)
4 Position of the centre within the area covered by the radar scope, determination by means of the spiral-band overlay, accuracy good (within 10 km)
5 Position of the centre within the area covered by the radar scope, determination by means of the spiral-band overlay, accuracy fair (within 30 km)
6 Position of the centre within the area covered by the radar scope, determination by means of the spiral-band overlay, accuracy poor (within 50 km)
7 Position of the centre outside the area covered by the radar scope, extrapolation by means of the spiral-band overlay
10 Accuracy undetermined
15 Missing value
8-9 Reserved
11-14 Not used
C 019102
0 Circular
1 Elliptical - the minor axis is at least 3/4 the length of the major axis - well defined
2 Elliptical - the minor axis is less than 3/4 the length of the major axis - well defined
3 Apparent double eye - well defined
4 Other shape - well defined
5 Ill defined
6 Undetermined
7 Missing
C 019103
0 Less than 5 km
1 5 to less than 10 km
2 10 to less than 15 km
3 15 to less than 20 km
4 20 to less than 25 km
5 25 to less than 30 km
6 30 to less than 35 km
7 35 to less than 40 km
8 40 to less than 50 km
9 50 km and greater
10 Undetermined
15 Missing value
11-14 Not used
C 019104
0 Eye has first become visible during the past 30 minutes
1 No significant change in the characteristics or size of the eye
2 Eye has become smaller with no other significant change in characteristics
3 Eye has become larger with no other significant change in characteristics
4 Eye has become less distinct with no significant change in size
5 Eye has become less distinct and decreased in size
6 Eye has become less distinct and increased in size
7 Eye has become more distinct with no significant change in size
8 Eye has become more distinct and decreased in size
9 Eye has become more distinct and increased in size
10 Change in character and size of eye cannot be determined
15 Missing value
11-14 Not used
C 019105
0 0 to less than 100 km
1 100 to less than 200 km
2 200 to less than 300 km
3 300 to less than 400 km
4 400 to less than 500 km
5 500 to less than 600 km
6 600 to less than 800 km
7 800 km or more
10 Doubtful or undetermined
15 Missing value
8-9 Reserved
11-14 Not used
C 019107
0 Less than 1 hour
1 1 to less than 2 hours
2 2 to less than 3 hours
3 3 to less than 6 hours
4 6 to less than 9 hours
5 9 to less than 12 hours
6 12 to less than 15 hours
7 15 to less than 18 hours
8 18 to less than 21 hours
9 21 to less than 30 hours
15 Missing value
10-14 Not used
C 019108
0 Cyclone centre within 10 km of the transmitted position
1 Cyclone centre within 20 km of the transmitted position
2 Cyclone centre within 50 km of the transmitted position
3 Cyclone centre within 100 km of the transmitted position
4 Cyclone centre within 200 km of the transmitted position
5 Cyclone centre within 300 km of the transmitted position
6 Cyclone centre undetermined
7 Missing value
C 019109
0 Less than 1° of latitude
1 1° to less than 2° of latitude
2 2° to less than 3° of latitude
3 3° to less than 4° of latitude
4 4° to less than 5° of latitude
5 5° to less than 6° of latitude
6 6° to less than 7° of latitude
7 7° to less than 8° of latitude
8 8° to less than 9° of latitude
9 9° of latitude or more
10 Undetermined
15 Missing value
11-14 Not used
C 019110
0 Much weakening
1 Weakening
2 No change
3 Intensification
4 Strong Intensification
9 Not observed previously
10 Undetermined
15 Missing value
5-8 Reserved
11-14 Not used
C 019113
1 Curved Band
2 Shear
3 Eye
4 Banding Eye
5 Central Dense Overcast (CDO)
6 Embedded Centre
7 Centre Cold Cover (CCC)
15 Missing value
8-14 Reserved
C 019117
1 A (Curved Band)
2 B (CDO)
3 C (Shear)
7 Missing value
4-6 Reserved
C 019119
1 DT-number
2 PT-number
3 MET-number
7 Missing value
4-6 Reserved
For more details, please check the original WMO table.
* The expression "at the station" refers to a land station or a ship.
C 020003
0 Cloud development not observed or not observable
1 Clouds generally dissolving or becoming less developed
2 State of sky on the whole unchanged
3 Clouds generally forming or developing
4 Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
5 Haze
6 Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
7 Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of sea stations and coastal stations, blowing spray at the station
8 Well-developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding hour or at the same time of observation, but no duststorm or sandstorm
9 Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
10 Mist
11 Paches of shallow fog or ice at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea
12 More or less continuous shallow fog or ice at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea
13 Lightning visible, no thunder heard
14 Precipitation within sight, not reaching the ground or the surface of the sea
15 Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station
16 Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
17 Thunderstorm, but no precipitation at the time of observation
18 Squalls at or within sight of the station during the preceding hour or at the time of observation
19 Funnel cloud(s)* at or within sight of the station during the preceding hour or at the time of observation
20 Drizzle (not freezing) or snow grains, not falling as shower(s) - during the preceding hour but not at the time of observation
21 Rain (not freezing), not falling as shower(s) - during the preeceding hour but not at the time of observation
22 Snow, not falling as shower(s) - during the preceding hour but not at the time of observation
23 Rain and snow or ice pellets, not falling as shower(s) - during the preceding hour but not at the time of observation
24 Freezing drizzle or freezing rain, not falling as shower(s) - during the preceding hour but not at the time of observation
25 Shower(s) of rain - during the preceding hour but not at the time of observation
26 Shower(s) of snow, or of rain and snow - during the preceding hour but not at the time of observation
27 Shower(s) of hail**, or of rain and hail** - during the preceding hour but not at the time of observation
28 Fog or ice fog - during the preceding hour but not at the time of observation
29 Thunderstorm (with or without precipitation) - during the preceding hour but not at the time of observation
30 Slight or moderate duststorm or sandstorm - has decreased during the preceding hour
31 Slight or moderate duststorm or sandstorm - no appreciable change during the preceding hour
32 Slight or moderate duststorm or sandstorm - has begun or has inceased during the preceding hour
33 Severe duststorm or sandstorm - has decreased during the preceding hour
34 Severe duststorm or sandstorm - no appreciable change during the preceding hour
35 Severe duststorm or sandstorm - has begun or has increased during the preceding hour
36 Slight or moderate drifting snow, generally low (below eye level)
37 Heavy drifting snow, generally low (below eye level)
38 Slight or moderate blowing snow, generally high (above eye level)
39 Heavy blowing snow, generally high (above eye level)
40 Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer
41 Fog or ice fog in patches
42 Fog or ice fog, sky visible, has become thinner during the preceding hour
43 Fog or ice fog, sky invisible, has become thinner during the preceding hour
44 Fog or ice fog, sky visible, no appreciable change during the preceding hour
45 Fog or ice fog, sky invisible, no appreciable change during the preceding hour
46 Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour
47 Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour
48 Fog, depositing rime, sky visible
49 Fog, depositing rime, sky invisible
50 Drizzle, not freezing, intermittent, slight at time of observation
51 Drizzle, not freezing, continuous, slight at time of observation
52 Drizzle, not freezing, intermittent, moderate at time of observation
53 Drizzle, not freezing, continuous, moderate at time of observation
54 Drizzle, not freezing, intermittent, heavy (dense) at time of observation
55 Drizzle, not freezing, continuous, heavy (dense) at time of observation
56 Drizzle, freezing, slight
57 Drizzle, freezing, moderate or heavy (dense)
58 Drizzle and rain, slight
59 Drizzle and rain, moderate or heavy
60 Rain, not freezing, intermittent, slight at time of observation
61 Rain, not freezing, continuous, slight at time of observation
62 Rain, not freezing, intermittent, moderate at time of observation
63 Rain, not freezing, continuous. moderate at time of observation
64 Rain, not freezing, intermittent, heavy at time of observation
65 Rain, not freezing, continuous, heavy at time of observation
66 Rain, freezing, slight
67 Rain, freezing, moderate or heavy
68 Rain or drizzle and snow, slight
69 Rain or drizzle and snow, moderate or heavy
70 Intermittent fall of snowflakes, slight at time of observation
71 Continuous fall of snowflakes, slight at time of observation
72 Intermittent fall of snowflakes, moderate at time of observation
73 Continuous fall of snowflakes, moderate at time of observation
74 Intermittent fall of snowflakes, heavy at time of observation
75 Continuous fall of snowflakes, heavy at time of observation
76 Diamond dust (with or without fog)
77 Snow grains (with or without fog)
78 Isolated star-like snow crystals (with or without fog)
79 Ice pellets
80 Rain shower(s), slight
81 Rain shower(s), moderate or heavy
82 Rain shower(s), violent
83 Shower(s) of rain and snow mixed, slight
84 Shower(s) of rain and snow mixed, moderate or heavy
85 Snow shower(s), slight
86 Snow shower(s), moderate or heavy
87 Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed - slight
88 Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed - moderate or heavy
89 Shower(s) of hail, with or without rain or rain and snow mixed, not associated with thunder - slight
90 Shower(s) of hail, with or without rain or rain and snow mixed, not associated with thunder - moderate or heavy
91 Slight rain at time of observation, thunderstorm during the preceding hour but not at time of observation
92 Moderate or heavy rain at time of observation, thunderstorm during the preceding hour but not at time of observation
93 Slight snow, or rain and snow mixed or hail** at time of observation, thunderstorm during the preceding hour but not at time of observation
94 Moderate or heavy snow, or rain and snow mixed or hail** at time of observation, thunderstorm during preceding hour but not at time of observation
95 Thunderstorm, slight or moderate, without hail**, but with rain and/or snow at time of observation - thunderstorm at time of observation
96 Thunderstorm, slight or moderate, with hail** at time of observation - thunderstorm at time of observation
97 Thunderstorm, heavy, without hail**, but with rain and/or snow at time of observation - thunderstorm at time of observation
98 Thunderstorm combined with duststorm or sandstorm at time of observation - thunderstorm at time of observation
99 Thunderstorm, heavy, with hail** at time of observation - thunderstorm at time of observation
100 No significant weather observed
101 Clouds generally dissolving or becoming less developed during the past hour
102 State of sky on the whole unchanged during the past hour
103 Clouds generally forming or developing during the past hour
104 Haze or smoke, or dust in suspension in the air, visibility equal to, or greater than, 1 km
105 Haze or smoke, or dust in suspension in the air, visibility less than 1 km
110 Mist
111 Diamond dust
112 Distant lightning
118 Squalls
120 Fog
121 PRECIPITATION
122 Drizzle (not freezing) or snow grains
123 Rain (not freezing)
124 Snow
125 Freezing drizzle or freezing rain
126 Thunderstorm (with or without precipitation)
127 BLOWING OR DRIFTING SNOW OR SAND
128 Blowing or drifting snow or sand, visibility equal to, or greater than, 1 km
129 Blowing or drifting snow or sand, visibility less than 1 km
130 FOG
131 Fog or ice fog, in patches
132 Fog or ice fog, has become thinner during past hour
133 Fog or ice fog, no appreciable change during past hour
134 Fog or ice fog, has begun or become thicker during past hour
135 Fog, depositing rime
140 PRECIPITATION
141 Precipitation, slight or moderate
142 Precipitation, heavy
143 Liquid precipitation, slight or moderate
144 Liquid precipitation, heavy
145 Solid precipitation, slight or moderate
146 Solid precipitation, heavy
147 Freezing precipitation, slight or moderate
148 Freezing precipitation, heavy
150 DRIZZLE
151 Drizzle, not freezing, slight
152 Drizzle, not freezing, moderate
153 Drizzle, not freezing, heavy
154 Drizzle, freezing, slight
155 Drizzle, freezing, moderate
156 Drizzle, freezing, heavy
157 Drizzle and rain, slight
158 Drizzle and rain, moderate or heavy
160 RAIN
161 Rain, not freezing, slight
162 Rain, not freezing, moderate
163 Rain, not freezing, heavy
164 Rain, freezing, slight
165 Rain, freezing, moderate
166 Rain, freezing, heavy
167 Rain (or drizzle) and snow, slight
168 Rain (or drizzle) and snow, moderate or heavy
170 SNOW
171 Snow, slight
172 Snow, moderate
173 Snow, heavy
174 Ice pellets, slight
175 Ice pellets, moderate
176 Ice pellets, heavy
177 Snow grains
178 Ice crystals
180 SHOWER(S) or intermittent PRECIPITATION
181 Rain shower(s) or intermittent rain, slight
182 Rain shower(s) or intermittent rain, moderate
183 Rain shower(s) or intermittent rain, heavy
184 Rain shower(s) or intermittent rain, violent
185 Snow shower(s) or intermittent snow, slight
186 Snow shower(s) or intermittent snow, moderate
187 Snow shower(s) or intermittent snow, heavy
189 Hail
190 THUNDERSTORM
191 Thunderstorm, slight or moderate, with no precipitation
192 Thunderstorm, slight or moderate, with rain showers and/or snow showers
193 Thunderstorm, slight or moderate, with hail
194 Thunderstorm, heavy, with no precipitation
195 Thunderstorm, heavy, with rain showers and/or snow showers
196 Thunderstorm, heavy, with hail
199 Tornado
204 Volcanic ash suspended in the air aloft
206 Thick dust haze, visibility less than 1 km
207 Blowing spray at the station
208 Drifting dust (sand)
209 Wall of dust or sand in distance (like haboob)
210 Snow haze
211 Whiteout
213 Lightning, cloud to surface
217 Dry thunderstorm
219 Tornado cloud (destructive) at or within sight of the station during preceding hour or at the time of observation
220 Deposition of volcanic ash
221 Deposition of dust or sand
222 Deposition of dew
223 Deposition of wet snow
224 Deposition of soft rime
225 Deposition of hard rime
226 Deposition of hoar frost
227 Deposition of glaze
228 Deposition of ice crust (ice slick)
230 Duststorm or sandstorm with temperature below 0°C
239 Blowing snow, impossible to determine whether snow is falling or not
241 Fog on sea
242 Fog in valleys
243 Arctic or Antarctic sea smoke
244 Steam fog (sea, lake or river)
245 Steam fog (land)
246 Fog over ice or snow cover
247 Dense fog visibility 60-90 m
248 Dense fog visibility 30-60 m
249 Dense fog visibility less than 30 m
250 Drizzle, rate of fall less than 0.10 mm/h
251 Drizzle, rate of fall 0.10 - 0.19 mm/h
252 Drizzle, rate of fall 0.20 - 0.39 mm/h
253 Drizzle, rate of fall 0.40 - 0.79 mm/h
254 Drizzle, rate of fall 0.80 - 1.59 mm/h
255 Drizzle, rate of fall 1.60 - 3.19 mm/h
256 Drizzle, rate of fall 3.20 - 6.39 mm/h
257 Drizzle, rate of fall 6.4 mm/h or more
259 Drizzle and snow
260 Rain, rate of fall less than 1.0 mm/h
261 Rain, rate of fall 1.0 - 1.9 mm/h
262 Rain, rate of fall 2.0 - 3.9 mm/h
263 Rain, rate of fall 4.0 - 7.9 mm/h
264 Rain, rate of fall 8.0 - 15.9 mm/h
265 Rain, rate of fall 16.0 - 31.9 mm/h
266 Rain, rate of fall 32.0 - 63.9 mm/h
267 Rain, rate of fall 64.0 mm/h or more
270 Snow, rate of fall less than 1.0 cm/h
271 Snow, rate of fall 1.0 - 1.9 cm/h
272 Snow, rate of fall 2.0 - 3.9 cm/h
273 Snow, rate of fall 4.0 - 7.9 cm/h
274 Snow, rate of fall 8.0 - 15.9 cm/h
275 Snow, rate of fall 16.0 - 31.9 cm/h
276 Snow, rate of fall 32.0 - 63.9 cm/h
277 Snow, rate of fall 64.0 cm/h or more
278 Snow or ice cristal precipitation from a clear sky
279 Wet snow, freezing on contact
280 Precipitation of rain
281 Precipitation of rain, freezing
282 Precipitation of rain and snow mixed
283 Precipitation of snow
284 Precipitation of snow pellets or small hail
285 Precipitation of snow pellets or small hail, with rain
286 Precipitation of snow pellets or small hail, with rain and snow mixed
287 Precipitation of snow pellets or small hail, with snow
288 Precipitation of hail
289 Precipitation of hail, with rain
290 Precipitation of hail, with rain and snow mixed
291 Precipitation of hail, with snow
292 Shower(s) or thunderstorm over sea
293 Shower(s) or thunderstorm over mountains
508 No significant phenomenon to report, present and past weather omitted
509 Not observation, data not available, present and past weather omitted
510 Present and past weather missing, but expected
511 Missing value
106-109, 113-117, 119, 136-139, 149, 159, 169, 179, 188, 197-198, 300-507 Reserved
200-203, 205, 212, 214-216, 218, 229, 231-238, 240, 258, 268-269, 294-299 Not used
* Tornado cloud or water-spout.
** Hail, small hail, snow pellets.
Notes:
C 020004
0 Cloud covering 1/2 or less of the sky throughout the appropriate period
1 Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period
2 Cloud covering more than 1/2 of the sky throughout the appropriate period
3 Sandstorm, duststorm or blowing snow
4 Fog or ice fog or thick haze
5 Drizzle
6 Rain
7 Snow, or rain and snow mixed
8 Shower(s)
9 Thunderstorm(s) with or without precipitation
10 No significant weather observed
11 VISIBILITY REDUCED (see Note)
12 Blowing phenomena, visibility reduced
13 FOG (see Note)
14 PRECIPITATION (see Note)
15 Drizzle
16 Rain
17 Snow or ice pellets
18 Showers or intermittent precipitation
19 Thunderstorm
31 Missing value
20-30 Reserved
Notes:
C 020005
0 Cloud covering 1/2 or less of the sky throughout the appropriate period
1 Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period
2 Cloud covering more than 1/2 of the sky throughout the appropriate period
3 Sandstorm, duststorm or blowing snow
4 Fog or ice fog or thick haze
5 Drizzle
6 Rain
7 Snow, or rain and snow mixed
8 Shower(s)
9 Thunderstorm(s) with or without precipitation
10 No significant weather observed
11 VISIBILITY REDUCED (see Note)
12 Blowing phenomena, visibility reduced
13 FOG (see Note)
14 PRECIPITATION (see Note)
15 Drizzle
16 Rain
17 Snow or ice pellets
18 Showers or intermittent precipitation
19 Thunderstorm
31 Missing value
20-30 Reserved
Notes:
C 020006
0 Low instrument flight rules - Ceiling < 500 feet and/or visibility < 1 mile
1 Instrument flight rules - Ceiling < 1000 feet and/or visibility < 3 miles
2 Marginal visual flight rules - 1000 feet <= Ceiling < 3000 feet and/or 3 miles <= visibility < 5 miles
3 Visual flight rules - Ceiling => 3000 feet and/or visibility => 5 miles
7 Missing value
4-6 Reserved
C 020008
0 Sky clear
1 Few
2 Scattered
3 Broken
4 Overcast
5 Reserved
6 Scattered/broken (Many forecasts use scattered/broken followed by cloud type(s))
7 Broken/overcast (Many forecasts use broken/overcast followed by cloud type(s))
8 Isolated (Used on aviation charts to describe the cloud type Cb)
9 Isolated embedded (Used on aviation charts to describe the cloud type Cb)
10 Occasional (Used on aviation charts to describe the cloud type Cb)
11 Occasional embedded (Used on aviation charts to describe the cloud type Cb)
12 Frequent (Used on aviation charts to describe the cloud type Cb)
13 Dense (Used on aviation charts to describe cloud that would cause sudden changes in visibility (less than 1000 m))
14 Layers
15 Obscured (OBSC)
16 Embedded (EMBD)
17 Frequent embedded
31 Missing
18-30 Reserved
C 020009
0 Reserved
1 NSC Nil Significant Cloud
2 CAVOK
3 SKC Sky Clear
4 NSW Nil Significant Weather
15 Missing
5-14 Reserved
C 020011
0 0 oktas (0/10)
1 1 okta or less, but not zero (1/10 or less, but not zero)
2 2 oktas (2/10 - 3/10)
3 3 oktas (4/10)
4 4 oktas (5/10)
5 5 oktas (6/10)
6 6 oktas (7/10 - 8/10)
7 7 oktas or more, but not 8 oktas (9/10 or more, but not 10/10)
8 8 oktas (10/10)
9 Sky obscured by fog and/or other meteorological phenomena
10 Sky partially obscured by fog and/or other meteorological phenomena
11 Scattered
12 Broken
13 Few
14 Reserved
15 Cloud cover is indiscernible for reasons other than fog or other meteorological phenomena, or observation is not made
Notes:
C 020012
0 Cirrus (Ci)
1 Cirrocumulus (Cc)
2 Cirrostratus (Cs)
3 Altocumulus (Ac)
4 Altostratus (As)
5 Nimbostratus (Ns)
6 Stratocumulus (Sc)
7 Stratus (St)
8 Cumulus (Cu)
9 Cumulonimbus (Cb)
10 No CH clouds
11 Cirrus fibratus, sometimes uncinus, not progressively invading the sky
12 Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus
13 Cirrus spissatus cumulonimbogenitus
14 Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole
15 Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon
16 Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered
17 Cirrostratus covering the whole sky
18 Cirrostratus not progressively invading the sky and not entirely covering it
19 Cirrocumulus alone, or Cirrocumulus predominant among the CH clouds
20 No CM clouds
21 Altostratus translucidus
22 Altostratus opacus or Nimbostratus
23 Altocumulus translucidus at a single level
24 Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels
25 Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole
26 Altocumulus cumulogenitus (or cumulonimbogenitus)
27 Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus
28 Altocumulus castellanus or floccus
29 Altocumulus of a chaotic sky, generally at several levels
30 No CL clouds
31 Cumulus humilis or Cumulus fractus other than of bad weather,* or both
32 Cumulus mediocris or congestus, Towering cumulus (TCU), with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level
33 Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus
34 Stratocumulus cumulogenitus
35 Stratocumulus other than Stratocumulus cumulogenitus
36 Stratus nebulosus or Stratus fractus other than of bad weather,* or both
37 Stratus fractus or Cumulus fractus of bad weather,* or both (pannus), usually below Altostratus or Nimbostratus
38 Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels
39 Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus
40 CH
41 CM
42 CL
43 Clear
44 Liquid water
45 Supercooled liquid water
46 Mixed phase
47 Optically thick ice
48 Optically thin ice
49 Multilayered ice
59 Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomena
60 CH clouds invisible owing to darkness, fog, blowing dust or sand, or other similar phenomena, or because of a continuous layer of lower clouds
61 CM clouds invisible owing to darkness, fog, blowing dust or sand, or other similar phenomena, or because of continuous layer of lower clouds
62 CL clouds invisible owing to darkness, fog, blowing dust or sand, or other similar phenomena
63 Missing value
50-58 Reserved
* "Bad weather" denotes the conditions which generally exist during precipitation and a short time before and after.
C 020017
0 Isolated cloud fragments of cloud
1 Continuous cloud, flat tops
2 Broken cloud - small breaks, flat tops
3 Broken cloud - large breaks, flat tops
4 Continuous cloud - undulating tops
5 Broken cloud - small breaks, undulating tops
6 Broken cloud - large breaks, undulating tops
7 Continuous or almost continuous waves with towering clouds above the top of the layer
8 Groups of waves with towering clouds above the top of the layer
9 Two or more layers at different levels
15 Missing value
10-14 Reserved
C 020018
0 Increasing (U)
1 Decreasing (D)
2 No distinct change (N)
3 Missing value
F 020021
1 Precipitation-unknown type
2 Liquid precipitation not freezing
3 Liquid freezing precipitation
4 Drizzle
5 Rain
6 Solid precipitation
7 Snow
8 Snow grains
9 Snow pellets
10 Ice pellets
11 Ice crystals
12 Diamond dust
13 Small hail
14 Hail
15 Glaze
16 Rime
17 Soft rime
18 Hard rime
19 Clear ice
20 Wet snow
21 Hoar frost
22 Dew
23 White dew
All 30 Missing value
24-29 Reserved
Note: Mixed precipitation is indicated by setting to one the bits of all the observed single types of precipitation.
C 020022
0 No precipitation
1 Continuous
2 Intermittent
3 Shower
4 Not reaching ground
5 Deposition
15 Missing value
6-14 Reserved
F 020023
1 Dust/sand whirl
2 Squalls
3 Sandstorm
4 Duststorm
5 Lightning - cloud to surface
6 Lightning - cloud to cloud
7 Lightning - distant
8 Thunderstorm
9 Funnel cloud not touching surface
10 Funnel cloud touching surface
11 Spray
12 Waterspout
13 Wind shear
14 Dust devils
All 18 Missing value
15-17 Reserved
C 020024
0 No phenomena
1 Light
2 Moderate
3 Heavy
4 Violent
5 Severe
6 Very severe
7 Missing value
F 020025
1 Fog
2 Ice fog
3 Steam fog
7 Mist
8 Haze
9 Smoke
10 Volcanic ash
11 Dust
12 Sand
13 Snow
14 Cloud
15 Precipitation
16 Impossible to determine whether snow is falling or not
All 21 Missing value
4-6 Reserved
17-20 Reserved
C 020026
0 No change
1 Shallow
2 Patches
3 Partial
4 Freezing
5 Low drifting
6 Blowing
7 Increasing
8 Decreasing
9 In suspension in the air
10 Wall
11 Dense
12 Whiteout
13 Drifting and blowing
14 Reserved
15 Missing value
F 020027
1 At time of observation
2 In past hour
3 In time period for past weather W1W2
4 In time period specified
5 Reserved
6 Below station level
7 At the station (see Note 1)
8 In the vicinity (see Note 2)
All 9 Missing value
Phenomenon in this flag table means any phenomenon, including precipitation and obscuration
Note 1: In conjunction with the observation of water spouts or funnel clouds i.e. within 3 km of station
Note 2: In conjunction with the observation of water spouts or funnel clouds i.e. more than 3 km from station
C 020028
0 No change (NC)
1 Forecast to weaken (WKN)
2 Forecast to intensify (INTSF)
7 Missing value
3-6 Reserved
C 020029
0 No rain
1 Rain
2 Reserved
3 Missing value
C 020032
0 Ice not building up
1 Ice building up slowly
2 Ice building up rapidly
3 Ice melting or breaking up slowly
4 Ice melting or breaking up rapidly
5 Reserved
6 Reserved
7 Missing value
F 020033
1 Icing from ocean spray
2 Icing from fog
3 Icing from rain
All 4 Missing value
C 020034
0 No sea ice in sight
1 Ship in open lead more than 1.0 nautical mile wide, or ship in fast ice with boundary beyond limit of visibility
2 Sea ice present in concentration less than 3/10 (3/8), open water or very open pack ice, sea ice concentration is uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
3 4/10 to 6/10 (3/8 to less than 6/8), open pack ice, sea ice concentration is uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
4 7/10 to 8/10 (6/8 to less than 7/8), close pack ice, sea ice concentration is uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
5 9/10 or more, but not 10/10 (7/8 to less than 8/8), very close pack ice, sea ice concentration is uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
6 Strips and patches of pack ice with open water between, sea ice concentration is not uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
7 Strips and patches of close or very close pack ice with areas of lesser concentration between, sea ice concentration is not uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
8 Fast ice with open water, very open or open pack ice to seaward of the ice boundary, sea ice concentration is not uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
9 Fast ice with close or very close pack ice to seaward of the ice boundary, sea ice concentration is not uniform in the observation area, ship in ice or within 0.5 nautical mile of ice edge
14 Unable to report, because of darkness, lack of visibility, or because ship is more than 0.5 nautical mile away from ice edge
31 Missing value
10-13, 15-30 Reserved
C 020035
0 No ice of land origin
1 1-5 icebergs, no growlers or bergy bits
2 6-10 icebergs, no growlers or bergy bits
3 11-20 icebergs, no growlers or bergy bits
4 Up to and including 10 growlers and bergy bits - no icebergs
5 More than 10 growlers and bergy bits - no icebergs
6 1-5 icebergs, with growlers and bergy bits
7 6-10 icebergs, with growlers and bergy bits
8 11-20 icebergs, with growlers and bergy bits
9 More than 20 icebergs, with growlers and bergy bits - a major hazard to navigation
14 Unable to report, because of darkness, lack of visibility or because only sea ice is visible
15 Missing value
10-13 Reserved
C 020036
0 Ship in open water with floating ice in sight
1 Ship in easily penetrable ice; conditions improving
2 Ship in easily penetrable ice; conditions not changing
3 Ship in easily penetrable ice; conditions worsening
4 Ship in ice difficult to penetrate; conditions improving
5 Ship in ice difficult to penetrate; conditions not changing
6 Ship in ice difficult to penetrate and conditions worsening. Ice forming and floes freezing together
7 Ship in ice difficult to penetrate and conditions worsening. Ice under slight pressure
8 Ship in ice difficult to penetrate and conditions worsening. Ice under moderate or severe pressure
9 Ship in ice difficult to penetrate and conditions worsening. Ship beset
30 Unable to report, because of darkness or lack of visibility
31 Missing value
10-29 Reserved
C 020037
0 New ice only (frazil ice, grease ice, slush, shuga)
1 Nilas or ice rind, less than 10 cm thick
2 Young ice (grey ice, grey-white ice), 10-30 cm thick
3 Predominantly new and/or young ice with some first-year ice
4 Predominantly thin first-year ice with some new and/or young ice
5 All thin first-year ice (30-70 cm thick)
6 Predominantly medium first-year ice (70-120 cm thick) and thick first-year ice (>120 cm thick) with some thinner (younger) first-year ice
7 All medium and thick first-year ice
8 Predominantly medium and thick first-year ice with some old ice (usually more than 2 metres thick)
9 Predominantly old ice
30 Unable to report, because of darkness, lack of visibility or because only ice of land origin is visible or because ship is more than 0.5 nautical mile away from ice edge
31 Missing value
10-29 Reserved
C 020040
0 Drift snow ended before the hour of observation
1 Intensity diminishing
2 No change
3 Intensity increasing
4 Continues, apart from interruption lasting less than 30 minutes
5 General drift snow has become drift snow near the ground
6 Drift snow near the ground has become general drift snow
7 Drift snow has started again after an interruption of more than 30 minutes
15 Missing value
8-14 Reserved
C 020041
0 No icing
1 Light icing
2 Light icing in cloud
3 Light icing in precipitation
4 Moderate icing
5 Moderate icing in cloud
6 Moderate icing in precipitation
7 Severe icing
8 Severe icing in cloud
9 Severe icing in precipitation
10 Trace of icing
11 Trace of icing in cloud
12 Trace of icing in precipitation
13 Reserved
14 Reserved
15 Missing value
C 020042
0 No icing
1 Icing present
2 Reserved
3 Missing value
C 020045
0 No SLD conditions present
1 SLD conditions present
2 Reserved
3 Missing value
C 020048
0 Stability
1 Diminution
2 Intensification
3 Unknown
15 Missing value
4-14 Reserved
C 020050
0 Reserved
1 1st low cloud
2 2nd low cloud
3 3rd low cloud
4 1st medium cloud
5 2nd medium cloud
6 3rd medium cloud
7 1st high cloud
8 2nd high cloud
255 Missing value
9-254 Reserved
C 020055
0 Cumulus, if any, are quite small; generally less than 2/8 coverage, except on windward slopes of elevated terrain; average width of cloud is at least as great as its vertical thickness
1 Cumulus of intermediate size with cloud cover less than 5/8; average cloud width is more than its vertical thickness; towers are vertical with little or no evidence of precipitation, except along slopes of elevated terrain; a general absence of middle and upper clouds
2 Swelling Cumulus with rapidly growing tall turrets which decrease in size with height and whose tops tend to separate from the longer cloud body and evaporate within minutes of the separation
3 Swelling Cumulus with towers having a pronounced tilt in a downwind direction; vertical cloud thickness is more than 11/2 times that of its average width
4 Swelling Cumulus with towers having a pronounced tilt in an upwind direction; vertical cloud thickness is more than 11/2 times that of its average width
5 Tall Cumulus congestus with vertical thickness more than twice the average width; not organized in clusters or lines; one or more layers of clouds extend out from the cloud towers, although no continuous cloud layers exist
6 Isolated Cumulonimbus or large clusters of Cumulus turrets separated by wide areas in which clouds are absent; cloud bases are generally dark with showers observed in most cells; some scattered middle and upper clouds may be present; individual Cumulus cells are one to two times higher than they are wide
7 Numerous Cumulus extending through the middle troposphere with broken to overcast sheets of middle clouds and/or Cirrostratus; Cumulus towers do not decrease generally in size with height; ragged dark cloud bases with some showers present
8 Continuous dense middle clouds and/or Cirrostratus cloud sheets with some large isolated Cumulonimbus or Cumulus congestus clouds penetrating these sheets; light rain occasionally observed from the Altostratus; Cumulonimbus bases ragged and dark with showers visible
9 Continuous sheets of middle clouds and/or Cirrostratus with Cumulonimbus and Cumulus congestus in organized lines or cloud bands; rain is generally observed from Altostratus sheets and heavy showers from Cumulonimbus; wind has a squally character
10 State of sky unknown or not described by any of the above
15 Missing value
11-14 Reserved
Note : In the event of obscuration of clouds due to heavy rain, the observer should use code 5 or 8. Code 5 should be used if the rain is localized or is brief in duration; Code 8 should be used if the rain is widespread or lasts for longer periods of time.
C 020056
0 Unknown
1 Water
2 Ice
3 Mixed
4 Clear
5 Supercooled liquid water
6 Reserved
7 Missing value
C 020062
0 Surface of ground dry (without cracks and no appreciable amount of dust or loose sand)
1 Surface of ground moist
2 Surface of ground wet (standing water in small or large pools on surface)
3 Flooded
4 Surface of ground frozen
5 Glaze on ground
6 Loose dry dust or sand not covering ground completely
7 Thin cover of loose dry dust or sand covering ground completely
8 Moderate or thick cover of loose dry dust or sand covering ground completely
9 Extremely dry with cracks
10 Ground predominantly covered by ice
11 Compact or wet snow (with or without ice) covering less than one-half of the ground
12 Compact or wet snow (with or without ice) covering at least one-half of the ground but ground not completely covered
13 Even layer of compact or wet snow covering ground completely
14 Uneven layer of compact or wet snow covering ground completely
15 Loose dry snow covering less than one-half of the ground
16 Loose dry snow covering at least one-half of the ground but ground not completely covered
17 Even layer of loose dry snow covering ground completely
18 Uneven layer of loose dry snow covering ground completely
19 Snow covering ground completely; deep drifts
31 Missing value
20-30 Reserved
Notes:
C 020063
0 Reserved
1 Highest wind speed gusts greater than 11.5 m/s
2 Highest mean wind speed greater than 17.5 m/s
3 Reserved
4 Reserved
5 Reserved
6 Reserved
7 Visibility greater than 100 000 m
8 Reserved
9 Reserved
10 Mirage - No specification
11 Mirage - Image of distant object raised (looming)
12 Mirage - Image of distant object raised clear above the horizon
13 Mirage - Inverted image of distant object
14 Mirage - Complex, multiple images of distant object (images not inverted)
15 Mirage - Complex, multiple images of distant object (some images being inverted)
16 Mirage - Sun or moon seen appreciably distorted
17 Mirage - Sun visible, although astronomically below the horizon
18 Mirage - Moon visible, although astronomically below the horizon
19 Reserved
20 Day darkness, bad, worst in direction specified
21 Day darkness, very bad, worst in direction specified
22 Day darkness, black, worst in direction specified
31 Slight coloration of clouds at sunrise associated with a tropical disturbance
32 Deep-red coloration of clouds at sunrise associated with a tropical disturbance
33 Slight coloration of clouds at sunset associated with a tropical disturbance
34 Deep-red coloration of clouds at sunset associated with a tropical disturbance
35 Convergence of CH clouds at a point below 45° forming or increasing and associated with a tropical disturbance
36 Convergence of CH clouds at a point above 45° associated with a tropical disturbance
37 Convergence of CH clouds at a point below 45° dissolving or diminishing and associated with a tropical disturbance
38 Convergence of CH clouds at a point above 45° associated with a tropical disturbance
39 Reserved
40 Hoar frost on horizontal surfaces
41 Hoar frost on horizontal and vertical surfaces
42 Precipitation containing sand or desert dust
43 Precipitation containing volcanic ash
50 Calm or light wind followed by a squall
51 Calm or light wind followed by a succession of squalls
52 Gusty weather followed by a squall
53 Gusty weather followed by a succession of squalls
54 Squall followed by gusty weather
55 General gusty weather with squall at intervals
56 Squall approaching station
57 Line squall
58 Squall with drifting or blowing dust or sand
59 Line squall with drifting or blowing dust or sand
60 Temperature steady
61 Temperature falling, without going below 0°C
62 Temperature rising, without going above 0°C
63 Temperature falling to a value below 0°C
64 Temperature rising to a value above 0°C
65 Irregular variation, oscillations of temperature passing through 0°C
66 Irregular variation, oscillations of temperature not passing through 0°C
67 Variation of temperature not observed
68 Not allocated
69 Variation of temperature unknown owing to lack of thermograph
70 Visibility has not varied (sun* visible) towards direction specified
71 Visibility has not varied (sun* invisible) towards direction specified
72 Visibility has increased (sun* visible) towards direction specified
73 Visibility has increased (sun* invisible) towards direction specified
74 Visibility has decreased (sun* visible) towards direction specified
75 Visibility has decreased (sun* invisible) towards direction specified
76 Fog coming from direction specified
77 Fog has lifted, without dissipating
78 Fog has dispersed without regard to direction
79 Moving patches or banks of fog
80 Brocken spectre
81 Rainbow
82 Solar or lunar halo
83 Parhelia or anthelia
84 Sun pillar
85 Corona
86 Twilight glow
87 Twilight glow on the mountains (Alpenglühen)
88 Mirage
89 Zodiacal light
90 St Elmo's fire
1023 Missing value
23-30, 44-49, 91-1022 Reserved
(*): Or sky (if sun is low), or moon or stars at night.
Accuracy of fix (estimated error) - Repetition rate
C 020071
0 No assessment - No assessment
1 Less than 50 km - Less than 1 per second
2 Between 50 and 200 km - Less than 1 per second
3 More than 200 km - Less than 1 per second
4 Less than 50 km - 1 or more per second
5 Between 50 and 200 km - 1 or more per second
6 More than 200 km - 1 or more per second
7 Less than 50 km - Rate so rapid number cannot be counted
8 Between 50 and 200 km - Rate so rapid number cannot be counted
9 More than 200 km - Rate so rapid number cannot be counted
15 Missing value
10-14 Reserved
C 020085
0 Cleared (CLRD//)
1 All runways closed (SNOCLO)
15 Missing value
2-14 Reserved
C 020086
0 Clear and dry
1 Damp
2 Wet with water patches
3 Rime and frost covered (depth normally less than 1 mm)
4 Dry snow
5 Wet snow
6 Slush
7 Ice
8 Compacted or rolled snow
9 Frozen ruts or ridges
15 Missing or not reported (e.g. due to runway clearance in progress)
10-14 Reserved
C 020087
0 Reserved
1 Less than 10% of runway covered
2 11% to 25% of runway covered
5 25% to 50% of runway covered
9 51% to 100% of runway covered
15 Missing or not reported (e.g. due to runway clearance in progress)
3-4 Reserved, 6-8 Reserved, 10-14 Reserved
C 020089
0 0.00
1 0.01
2 0.02
3 0.03
4 0.04
5 0.05
6 0.06
7 0.07
8 0.08
9 0.09
10 0.10
11 0.11
12 0.12
13 0.13
14 0.14
15 0.15
16 0.16
17 0.17
18 0.18
19 0.19
20 0.20
21 0.21
22 0.22
23 0.23
24 0.24
25 0.25
26 0.26
27 0.27
28 0.28
29 0.29
30 0.30
31 0.31
32 0.32
33 0.33
34 0.34
35 0.35
36 0.36
37 0.37
38 0.38
39 0.39
40 0.40
41 0.41
42 0.42
43 0.43
44 0.44
45 0.45
46 0.46
47 0.47
48 0.48
49 0.49
50 0.50
51 0.51
52 0.52
53 0.53
54 0.54
55 0.55
56 0.56
57 0.57
58 0.58
59 0.59
60 0.60
61 0.61
62 0.62
63 0.63
64 0.64
65 0.65
66 0.66
67 0.67
68 0.68
69 0.69
70 0.70
71 0.71
72 0.72
73 0.73
74 0.74
75 0.75
76 0.76
77 0.77
78 0.78
79 0.79
80 0.80
81 0.81
82 0.82
83 0.83
84 0.84
85 0.85
86 0.86
87 0.87
88 0.88
89 0.89
90 0.90
91 Braking action poor
92 Braking action medium to poor
93 Braking action medium
94 Braking action medium to good
95 Braking action good
99 Unreliable
127 Missing, not reported and/or runway not operational
96-98 Reserved, 100-126 Reserved
C 020090
0 Reserved
1 Nacreous clouds
2 Noctilucent clouds
3 Clouds from waterfalls
4 Clouds from fires
5 Clouds from volcanic eruptions
15 Missing
6-14 Reserved
C 020101
0 Reserved
1 Schistocerca gregaria
2 Locusta migratoria
3 Nomadacris septemfasciata
4 Oedaleus senegalensis
5 Anracridium spp
6 Other locusts
7 Other grasshoppers
8 Other crickets
9 Spodoptera exempta
15 Missing value
10-14 Reserved
C 020102
0 Green
1 Green or black
2 Black
3 Yellow and black
4 Straw/grey
5 Pink
6 Dark red/brown
7 Mixed red and yellow
8 Yellow
9 Other
15 Missing value
10-14 Reserved
C 020103
0 Hoppers (nymphs, larvae), stage 1
1 Hoppers (nymphs, larvae), stage 2 or mixed 1, 2 instars (stages)
2 Hoppers (nymphs, larvae), stage 3 or mixed 2, 3 instars
3 Hoppers (nymphs, larvae), stage 4 or mixed 3, 4 instars
4 Hoppers (nymphs, larvae), stage 5 or mixed 4, 5 instars
5 Hoppers (nymphs, larvae), stage mixed, all or many instars
6 Fledglings (wings too soft for sustained flight)
7 Immature adults
8 Mixed maturity adults
9 Mature adults
15 Missing value
10-14 Reserved
C 020104
0 Hoppers only, mainly in bands or clusters
1 Winged adults in the vicinity more than 10 kilometres from point of observation
2 Locusts in flight, a few seen at the station
3 Locusts at the station, most of them on the ground
4 Locusts, some on ground and others in flight at a height less than 10 metres
5 Locusts, some on ground and others in flight at a height greater than 10 metres
6 Locusts, most in flight at a height less than 10 metres
7 Locusts, most in flight at a height greater than 10 metres
8 Locusts, all over inflicting severe damage to vegetation, no extermination operation
9 Locusts, all over inflicting severe damage to vegetation, extermination operation in progress
15 Missing value
10-14 Reserved
C 020105
When 0 20 104 (Organization state of swarm or band of locusts) = 0
0 Reserved
1 Area covered by isolated bands < 10 m²
2 Area covered by isolated bands 10 - 100 m²
3 Area covered by isolated bands 100 - 1000 m²
4 Area covered by isolated bands 1000 - 10000 m²
5 Area covered by isolated bands 1 - 10 ha
6 Area covered by isolated bands > 10 ha
7 Area covered by dispersed bands < 100 km²
8 Area covered by dispersed bands 100 - 1000 km²
9 Area covered by dispersed bands > 1000 km²
10-14 Reserved
15 Missing value
When 0 20 104 (Organization state of swarm or band of locusts) = 1 to 9
0 Small swarm less than 1 km² or adults in ground, tens or hundreds of individuals
visible simultaneously, duration of passage less than 1 hour ago
1 Small swarm less than 1 km² or adults in ground, tens or hundreds of individuals
visible simultaneously, duration of passage 1 to 6 hours ago
2 Small swarm less than 1 km² or adults in ground, tens or hundreds of individuals
visible simultaneously, duration of passage over 6 hours ago
3 Medium swarm or scattered adults, several visible simultaneously, duration of
passage less than 1 hour ago
4 Medium swarm or scattered adults, several visible simultaneously, duration of
passage 1 to 6 hours ago
5 Medium swarm or scattered adults, several visible simultaneously, duration of
passage over 6 hours ago
6 Large swarm or isolated adults, seen singly, duration of passage less than 1 hour
ago
7 Large swarm or isolated adults, seen singly, duration of passage 1 to 6 hours ago
8 Large swarm or isolated adults, seen singly, duration of passage over 6 hours ago
9 More than one swarm of locusts
10 Size of swarm and/or duration of passage not determined owing to darkness or
similar phenomena
11-14 Reserved
15 Missing value
C 020106
0 Reserved
1 Thin density swarm (swarm visible only when near enough for individual locusts to be discerned)
2 Medium density swarm
3 Dense swarm (obscuring nearby features, e.g. trees)
4 Isolated hoppers seen singly
5 Scattered hoppers, several visible simultaneously
15 Missing value
6-14 Reserved
C 020107
0 Reserved
1 Generally in the direction NE
2 Generally in the direction E
3 Generally in the direction SE
4 Generally in the direction S
5 Generally in the direction SW
6 Generally in the direction W
7 Generally in the direction NW
8 Generally in the direction N
9 Specific direction indeterminable
15 Missing value
10-14 Reserved
C 020108
0 Bare ground
1 Dry, presence of few and isolated shrubs
2 Sparse vegetation (sprouting)
3 Dense vegetation (sprouting)
4 Sparse vegetation (growing)
5 Dense vegetation (growing)
6 Sparse vegetation in flower
7 Dense vegetation in flower
15 Missing value
8-14 Reserved
C 020119
0 Not defined
1 Positive
2 Negative
3 Missing value
C 020124
0 Not defined
1 Lightning stroke
2 Lightning flash, by manual observation, or if equipment insensitive to stroke resolution
3 Missing value
C 020136
0 Isolated cumulus humilis and/or cumulus mediocris of vertical development
1 Numerous cumulus humilis and/or cumulus mediocris of vertical development
2 Isolated cumulus congestus of vertical development
3 Numerous cumulus congestus of vertical development
4 Isolated cumulonimbus of vertical development
5 Numerous cumulonimbus of vertical development
6 Isolated cumulus and cumulonimbus of vertical development
7 Numerous cumulus and cumulonimbus of vertical development
8 Reserved
9 Reserved
10 Reserved
11 Isolated orographic clouds, pileus, incus, forming
12 Isolated orographic clouds, pileus, incus, not changing
13 Isolated orographic clouds, pileus, incus, dissolving
14 Irregular banks of orographic cloud, föhn bank, etc., forming
15 Irregular banks of orographic cloud, föhn bank, etc., not changing
16 Irregular banks of orographic cloud, föhn bank, etc., dissolving
17 Compact layer of orographic cloud, föhn bank, etc., forming
18 Compact layer of orographic cloud, föhn bank, etc., not changing
19 Compact layer of orographic cloud, föhn bank, etc., dissolving
20 All mountains open, only small amounts of cloud present
21 Mountains partly covered with detached clouds (not more than half the peaks can be seen)
22 All mountain slopes covered, peaks and passes free
23 Mountains open on observer’s side (only small amounts of cloud present), but a continuous wall of cloud on the other side
24 Clouds low above the mountains, but all slopes and mountains open (only small amounts of cloud on the slopes)
25 Clouds low above the mountains, peaks partly covered by precipitation trails or clouds
26 All peaks covered but passes open, slopes either open or covered
27 Mountains generally covered but some peaks free, slopes wholly or partially covered
28 All peaks, passes and slopes covered
29 Mountains cannot be seen owing to darkness, fog, snowstorm, precipitation, etc.
35 Non-persistent condensation trails
36 Persistent condensation trails covering less than 1/8 of the sky
37 Persistent condensation trails covering 1/8 of the sky
38 Persistent condensation trails covering 2/8 of the sky
39 Persistent condensation trails covering 3/8 or more of the sky
40 No cloud or mist observed from a higher level
41 Mist, clear above observed from a higher level
42 Fog patches observed from a higher level
43 Layer of slight fog observed from a higher level
44 Layer of thick fog observed from a higher level
45 Some isolated clouds observed from a higher level
46 Isolated clouds and fog below observed from a higher level
47 Many isolated clouds observed from a higher level
48 Sea of clouds observed from a higher level
49 Bad visibility obscuring the downward view observed from a higher level
511 Missing value
30-34, 50-510 Reserved
C 020137
0 No change
1 Cumulification
2 Slow elevation
3 Rapid elevation
4 Elevation and stratification
5 Slow lowering
6 Rapid lowering
7 Stratification
8 Stratification and lowering
9 Rapid change
15 Missing value
10-14 Reserved
C 020138
0 Dry
1 Moist
2 Wet
3 Rime
4 Snow
5 Ice
6 Glaze
7 Not dry
15 Missing value
8-14 Reserved
#
F 021066
1 Processing equipment not working
2 Equipment failed
3 PRF code changed during image generation
4 Sampling window changed during image generation
5 Gain changed during image generation
6 Chirp replica exceeds specified value
7 Input data mean and standard deviation of in-phase and quadrature out of range
8 Doppler centroid confidence > MMCC value
9 Doppler centroid absolute value > PRF/2
10 Doppler ambiguity confidence < MMCC value
11 Output data mean and standard deviation =< MMCC value
All 12 Missing value
Notes:
F 021067
1 No forebeam calculation
2 No midbeam calculation
3 No aftbeam calculation
4 Forebeam arcing detected
5 Midbeam arcing detected
6 Aftbeam arcing detected
7 Any beam noise content above or equal to threshold
8 Land (any land in cell footprint)
9 Autonomous ambiguity removal not used
10 Meteorological background not used
11 Minimum residual exceeded threshold
12 Frame checksum error detected
All 13 Missing value
F 021068
1 Standard deviation of wind speed outside MMCC limit
2 Standard deviation of significant wave height outside MMCC limit
3 Standard deviation of altitude outside MMCC limit
4 Mean peakiness outside MMCC limit
5 Frame checksum error detected
6 Height-time loop time constant correction not performed
7 Not enough measurements (N < 10)
All 8 Missing value
Note: MMCC is Mission Management Control Centre.
F 021069
1 12.0 µm channel present in source data
2 11.0 µm channel present in source data
3 3.7 µm channel present in source data
4 1.6 µm channel present in source data
5 Cloud identification used 1.6 µm histogram reflectance cloud test
6 1.6 µm histogram reflectance cloud test used dynamic threshold
7 Sun glint detected by 1.6 µm reflectance cloud test
8 3.7 µm channel used in sea-surface temperature retrieval
9 Sea-surface temperature derivation used daytime data (night-time if zero)
All 10 Missing value
F 021070
1 Cell 1:nadir-only view SST used 3.7 micron channel
2 Cell 2:nadir-only view SST used 3.7 micron channel Cell numbering:
3 Cell 3:nadir-only view SST used 3.7 micron channel NW NE
4 Cell 4:nadir-only view SST used 3.7 micron channel 7 8 9
5 Cell 5:nadir-only view SST used 3.7 micron channel 4 5 6
6 Cell 6:nadir-only view SST used 3.7 micron channel 1 2 3
7 Cell 7:nadir-only view SST used 3.7 micron channel SW SE
8 Cell 8:nadir-only view SST used 3.7 micron channel
9 Cell 9:nadir-only view SST used 3.7 micron channel
10 Cell 1:dual view SST used 3.7 micron channel
11 Cell 2:dual view SST used 3.7 micron channel Cell numbering:
12 Cell 3:dual view SST used 3.7 micron channel NW NE
13 Cell 4:dual view SST used 3.7 micron channel 7 8 9
14 Cell 5:dual view SST used 3.7 micron channel 4 5 6
15 Cell 6:dual view SST used 3.7 micron channel 1 2 3
16 Cell 7:dual view SST used 3.7 micron channel SW SE
17 Cell 8:dual view SST used 3.7 micron channel
18 Cell 9:dual view SST used 3.7 micron channel
19 Nadir view contains day-time data (night if zero)
20 Forward view contains day-time data (night if zero)
21 Record contains contributions from instrument scans acquired when ERS platform not in yaw-steering mode
22 Record contains contributions from instrument scans for which product confidence data show quality is poor or unknown
All 23 Missing value
F 021072
1 Height error correction applied instead of open loop calibration
2 Microwave sounder used for troposphere correction
3 AGC output correction applied instead of open loop calibration
All 4 Missing value
F 021073
1 Blank data record
2 Test
3 Calibration (closed loop)
4 BITE
5 Acquisition on ice
6 Acquisition on ocean
7 Tracking on ice
8 Tracking on ocean
All 9 Missing value
C 021076
0 Linear
1 Logarithmic (base e)
2 Logarithmic (base 10)
7 Missing value
3-6 Reserved
F 021109
1 Not enough good sigma-0 available for wind retrieval
2 Poor azimuth diversity among sigma-0 for wind retrieval
8 Some portion of wind vector cell is over land
9 Some portion of wind vector cell is over ice
10 Wind retrieval not performed for wind vector cell
11 Reported wind speed is greater than 30 m/s
12 Reported wind speed is less than or equal to 3 m/s
All 17 Missing value
3-7, 13-16 Reserved
F 021115
1 Sigma-0 measurement is not usable
2 Signal to noise ratio is low
3 Sigma-0 is negative
4 Sigma-0 is outside of acceptable range
5 Scatterometer pulse quality is not acceptable
6 Sigma-0 cell location algorithm does not converge
7 Frequency shift lies beyond the range of the x factor table
8 Spacecraft temperature is beyond calibration coefficient range
9 No applicable altitude records were found for this sigma-0
10 Interpolated ephemeris data are not acceptable for this sigma-0
All 17 Missing value
11-16 Reserved
F 021116
1 Calibration/measurement pulse flag (1)
2 Calibration/measurement pulse flag (2)
3 Outer antenna beam
4 Sigma-0 cell is aft of spacecraft
5 Current mode (1)
6 Current mode (2)
7 Effective gate width - slice resolution (1)
8 Effective gate width - slice resolution (2)
9 Effective gate width - slice resolution (3)
10 Low resolution mode - whole pulse data
11 Scatterometer electronic subsystem B
12 Alternate spin rate - 19.8 rpm
13 Receiver protection on
14 Slices per composite flag (1)
15 Slices per composite flag (2)
16 Slices per composite flag (3)
All 17 Missing value
C 021119
0 Reserved
1 SASS
2 SASS2
3 NSCAT0
4 NSCAT1
5 NSCAT2
6 QSCAT0
7 QSCAT1
31 CMOD1
32 CMOD2
33 CMOD3
34 CMOD4
35 CMOD5
63 Missing value
8-30, 36-62 Reserved
F 021144
1 Rain
All 2 Missing value
C 021148
1 Non short scale variation
2 Short scale variation
All 9 Missing value
3-8 Reserved
C 021150
0 Data from single ground station (no co-location)
1 Data from multiple ground station (co-located data)
2 Reserved
3 Missing value
F 021155
1 Not enough good sigma-0 available for wind retrieval
2 Poor azimuth diversity among sigma-0 for wind retrieval
3 Any beam noise content above threshold
4 Product monitoring not used
5 Product monitoring flag
6 KNMI quality control fails
7 Variational quality control fails
8 Some portion of wind vector cell is over land
9 Some portion of wind vector cell is over ice
10 Wind retrieval not performed for wind vector cell
11 Reported wind speed is greater than 30 m/s
12 Reported wind speed is less than or equal to 3 m/s
13 Rain flag for the wind vector cell is not usable
14 Rain flag algorithm detects rain
15 No meteorological background used
16 Data are redundant
All 24 Missing value
17-23 Reserved
C 021158
0 Acceptable
1 Not acceptable
2 Reserved
3 Missing value
C 021159
0 Good
1 Usable
2 Bad
3 Missing value
C 021169
0 No ice present
1 Ice present
2 Reserved
3 Missing value
C 022056
0 Upwards profile
1 Downwards profile
2 Horizontal
3 Missing value
C 022060
0 Drogue is detached
1 Drogue is attached
2 Drogue status unknown
7 Missing value
3-6 Reserved
C 022061
0 Calm (glassy) 0
1 Calm (rippled) 0 - 0.1
2 Smooth (wavelets) 0.1 - 0.5
3 Slight 0.5 - 1.25
4 Moderate 1.25 - 2.5
5 Rough 2.5 - 4
6 Very rough 4 - 6
7 High 6 - 9
8 Very high 9 - 14
9 Phenomenal Over 14
15 Missing value
10-14 Reserved
Notes:
Instrument Make and Type - Equation coefficients a and b
C 022067
1 Sippican T-4 6.472 -2.16
2 Sippican T-4 6.691 -2.25
11 Sippican T-5 6.828 -1.82
21 Sippican Fast Deep 6.390 -1.82
31 Sippican T-6 6.472 -2.16
32 Sippican T-6 6.691 -2.25
41 Sippican T-7 6.472 -2.16
42 Sippican T-7 6.691 -2.25
51 Sippican Deep Blue 6.472 -2.16
52 Sippican Deep Blue 6.691 -2.25
61 Sippican T-10 6.301 -2.16
71 Sippican T-11 1.7779 -0.255
81 Sippican AXBT (300 m probes) 1.52 0.0
201 TSK T-4 6.472 -2.16
202 TSK T-4 6.691 -2.25
211 TSK T-6 6.472 -2.16
212 TSK T-6 6.691 -2.25
221 TSK T-7 6.472 -2.16
222 TSK T-7 6.691 -2.25
231 TSK T-5 6.828 -1.82
241 TSK T-10 6.301 -2.16
251 TSK Deep Blue 6.472 -2.16
252 TSK Deep Blue 6.691 -2.25
261 TSK AXBT
401 Sparton XBT-1 6.301 -2.16
411 Sparton XBT-3 5.861 -0.0904
421 Sparton XBT-4 6.472 -2.16
431 Sparton XBT-5 6.828 -1.82
441 Sparton XBT-5DB 6.828 -1.82
451 Sparton XBT-6 6.472 -2.16
461 Sparton XBT-7 6.472 -2.16
462 Sparton XBT-7 6.705 -2.28
471 Sparton XBT-7DB 6.472 -2.16
481 Sparton XBT-10 6.301 -2.16
491 Sparton XBT-20 6.472 -2.16
501 Sparton XBT-20DB 6.472 -2.16
510 Sparton 536 AXBT 1.524 0
700 Sippican XCTD standard
710 Sippican XCTD deep
720 Sippican AXCTD
730 Sippican SXCTD
741 TSK XCTD 3.42543 -0.47
742 TSK XCTD-2
743 TSK XCTD-2F
744 TSK XCTD-3
745 TSK XCTD-4
751 TSK AXCTD
780 SeaBird SBE21 SEACAT Thermosalinograph
781 SeaBird SBE45 MicroTSG Thermosalinograph
800 Mechanical BT
810 Hydrocast
820 Thermistor Chain
825 Temperature (sonic) and Pressure probes
830 CTD
831 CTD-P-ALACE float
835 PROVOR IV
836 PROVOR III
837 ARVOR_C, SBE conductivity sensor
838 ARVOR_D, SBE conductivity sensor
839 PROVOR-II, SBE conductivity sensor
840 PROVOR, No conductivity sensor
841 PROVOR, Seabird conductivity sensor
842 PROVOR, FSI conductivity sensor
843 Polar Ocean Profiling System (POPS), PROVOR, SBE CTD
844 Profiling float, ARVOR, Sea-Bird conductivity sensor
845 Webb Research, No conductivity sensor
846 Webb Research, Seabird conductivity sensor
847 Webb Research, FSI conductivity sensor
848 APEX-EM, SBE conductivity sensor
849 APEX_D, SBE conductivity sensor
850 SOLO, No conductivity sensor
851 SOLO, Seabird conductivity sensor
852 SOLO, FSI conductivity sensor
853 Profiling float, SOLO2 (SCRIPPS), Sea-Bird conductivity sensor
854 S2A, SBE conductivity sensor
855 Profiling float, NINJA, No conductivity sensor
856 Profiling float, NINJA, SBE conductivity sensor
857 Profiling float, NINJA, FSI conductivity sensor
858 Profiling float, NINJA, TSK conductivity sensor
859 Profiling Float, NEMO, no conductivity
860 Profiling Float, NEMO, SBE conductivity sensor
861 Profiling Float, NEMO, FSI conductivity sensor
862 SOLO_D, SBE conductivity sensor
863 NAVIS-A, SBE conductivity sensor
864 NINJA_D, SBE conductivity sensor
865 NOVA, SBE conductivity sensor
866 ALAMO, no conductivity sensor
867 ALAMO, RBR conductivity sensor
868 ALAMO, SBE conductivity sensor
869 Reserved
870 HM2000
871 COPEX
872 S2X
900 Sippican LMP-5 XBT 9.727 -0.0000473
901 Icetethered Profiler (ITP), SBE CTD
902 Brooke Ocean Moving Vessel Profiler (MVP)
903 Sea-Bird CTD
904 AML Oceanographic CTD
905 Falmouth Scientific CTD
906 Ocean Sensors CTD
907 Valeport CTD
908 Oceanscience MVP
909 IDRONAUT CTD
910 Sea-Bird SBE 38
995 Instrument attached to marine mammals
996 Instrument attached to animals other than marine mammals
1023 Missing value
873-899, 911-994, 997-1022 Reserved
Notes:
z = a * t + (10**-3) * b * t**2
C 022068
1 Sippican Strip Chart Recorder
2 Sippican MK2A/SSQ-61
3 Sippican MK-9
4 Sippican AN/BHQ-7/MK8
5 Sippican MK-12
6 Sippican MK-21
7 Sippican MK-8 Linear Recorder
8 Sippican MK-10
10 Sparton SOC BT/SV Processor Model 100
11 Lockheed-Sanders Model OL5005
20 ARGOS XBT-ST
21 CLS-ARGOS / Protecno XBT-ST Model-1
22 CLS-ARGOS / Protecno XBT-ST Model-2
30 BATHY Systems SA-810
31 Scripps Metrobyte Controller
32 Murayama Denki Z-60-16 III
33 Murayama Denki Z-60-16 II
34 Protecno ETSM2
35 Nautilus Marine Service NMS-XBT
40 TSK MK-2A
41 TSK MK-2S
42 TSK MK-30
43 TSK MK-30N
45 TSK MK-100
46 TSK MK-130 Compatible recorder for both XBT and XCTD
47 TSK MK-130A XCTD recorder
48 TSK AXBT RECEIVER MK-300
49 TSK MK-150/MK-150N Compatible recorder for both XBT and XCTD
50 JMA ASTOS
60 ARGOS communications, sampling on up transit
61 ARGOS communications, sampling on down transit
62 Orbcomm communications, sampling on up transit
63 Orbcomm communications, sampling on down transit
64 Iridium communications, sampling on up transit
65 Iridium communications, sampling on down transit
70 CSIRO Devil-1 XBT acquisition system
71 CSIRO Devil-2 XBT acquisition system
72 TURO/CSIRO Quoll XBT acquisition system
80 Applied Microsystems Ltd., MICRO-SVT & P
81 Sea Mammal Research Unit, Univ. St. Andrews, UK, uncorrected salinity from a sea mammal mounted instrument
82 Sea Mammal Research Unit, Univ. St. Andrews, UK, corrected salinity from a sea mammal mounted instrument
99 Unknown
127 Missing value
Note: All unassigned numbers are reserved for future use.
C 022120
0 Good data
1 Maximum (high) water level limit exceeded
2 Minimum (low) water level limit exceeded
3 Rate of change limit for water level exceeded
4 Flat limit for water level exceeded
5 Observed minus predicted water level value limit exceeded
6 Observed value from primary water level sensor minus backup water level sensor
7 Value exceeded specified tolerance from expected value
8 Water level QA parameter (sigmas and/or outliers) limits exceeded
9 Sea temperature outside of expected range
10 Multiple QC checks (above) failed
11 No automated water level checks performed
31 Missing value
12-30 Reserved
C 022121
0 Operational
1 Possible clogging problem or otherwise degraded water level data
2 Possible datum shift
3 Unknown status of water level sensor
4 Suspected or known sea temperature sensor problem
5 Multiple possible problems (above)
6 Bad data - DO NOT DISSEMINATE!
7 No manual water level checks performed
31 Missing value
8-30 Reserved
C 022122
0 Good data from all sensors
1 Wind direction outside of allowable range
2 Wind speed outside of expected range
3 Barometric pressure outside of expected range
4 Air temperature outside of expected range
5 Multiple sensors failed QC checks
6 No automated meteorological data checks performed
31 Missing value
7-30 Reserved
C 022123
0 Operational
1 Suspected or known problem with wind sensor
2 Suspected or known problem with barometric pressure sensor
3 Suspected or known problem with air temperature sensor
4 Unknown status of all sensors
5 Suspected or known problems with multiple sensors
6 Bad data - DO NOT DISSEMINATE!
7 No manual meteorological data checks performed
31 Missing value
8-30 Reserved
C 022178
0 Unknown
1 LM-2A Deck-mounted
2 LM-3A Hand-Held
3 LM-4A Thru-Hull
10 AL-12 TSK Autolauncher (up to 12 Probes)
20 SIO XBT Autolauncher (up to 6 probes)
30 AOML XBT V6 Autolauncher (up to 6 Deep Blue probes)
31 AOML XBT V8.0 Autolauncher (up to 8 Deep Blue probes)
32 AOML XBT V8.1 Autolauncher (up to 8 Deep Blue and Fast Deep probes)
90 CSIRO Devil Autolauncher
100 MFSTEP Autolauncher (Mediterranean)
255 Missing
4-9, 11-19, 21-29, 33-89, 91-99, 101-254 Reserved
C 023001
0 Reserved
1 Articles 1 and 2
2 Article 3
3 Article 5.2
7 Missing value
4-6 Reserved
C 023002
0 Reserved
1 Nuclear reactor on ground
2 Nuclear reactor at sea
3 Nuclear reactor in space
4 Nuclear fuel facility
5 Radioactive waste management facility
6 Transport of nuclear fuel or radioactive waste
7 Storage of nuclear fuel or radioactive waste
8 Manufacture of radio-isotopes
9 Use of radio-isotopes
10 Storage of radio-isotopes
11 Disposal of radio-isotopes
12 Transport of radio-isotopes
13 Use of radio-isotopes for power generation
30 Other
31 Missing data
14-29 Reserved
C 023003
0 No release
1 Release to atmosphere
2 Release to water
3 Release to both atmosphere and water
4 Expected release to atmosphere
5 Expected release to water
6 Expected release to both atmosphere and water
7 Missing value
C 023004
0 No countermeasures
1 Evacuation
2 Sheltering
3 Prophylaxis
4 Water
7 Missing value
5-6 Reserved
C 023005
0 Incident State does not understand what happened
1 Incident State knows the cause of the incident
2 Reserved
3 Missing value
C 023006
0 No improvement
1 Unstable
2 No deterioration
3 Improving
4 Stable
5 Deteriorating
6 Reserved
7 Missing value
C 023007
0 No release
1 Release has stopped
2 Release
3 Release is continuing
7 Missing value
4-6 Reserved
C 023008
0 Gaseous
1 Particulate
2 Mixture of gaseous and particulate
3 Missing value
C 023009
0 Gaseous
1 Particulate
2 Mixture of gaseous and particulate
3 Missing value
C 023016
0 No significant chemical toxic health effect
1 Significant chemical toxic health effect possible
2 Reserved
3 Missing value
C 023018
0 Release no longer occurring
1 Release still occurring
2 Release expected to increase in next six hours
3 Release expected to remain constant in next six hours
4 Release expected to decrease in next six hours
7 Missing value
5-6 Reserved
C 023031
0 Plume will not encounter rain in incident State
1 Plume will encounter rain in incident State
2 Reserved
3 Missing value
C 023032
0 No significant change expected within the next six hours
1 Anticipated significant change expected within the next six hours
2 Reserved
3 Missing value
C 024003
0 Noble gases
1 Iodines
2 Caesiums
3 Transuranics
31 Missing value
4-30 Reserved
C 025004
0 Incoherent
1 Coherent (Doppler)
2 Reserved
3 Missing value
C 025005
0 Logarithm - 2.5 dB
1 Linear
2 Special
3 Missing value
C 025006
0 ZH to R conversion
1 (ZH, ZDR) to (NO, DO) to R
2 (Z (F1), Z (F2)) to attenuation to R
6 Other
7 Missing value
3-5 Reserved
F 025009
1 None
2 Calibration target or signal
3 Against raingauges
4 Against other Instruments (disdrometer - attenuation)
All 4: Missing value
C 025010
0 None
1 Map
2 Insertion of higher elevation data and map
3 Analysis of the fluctuating logarithm signal (clutter detection)
4 Extraction of the fluctuating part of linear signal (clutter suppression)
5 Clutter suppression - Doppler
6 Multiparameter analysis
15 Missing value
7-14 Reserved
C 025011
0 None
1 Map of correction factors
2 Interpolation (azimuth or elevation)
3 Missing value
C 025012
0 Hardware
1 Software
2 Hardware and software
3 Missing value
F 025013
1 Bright-band correction
All 2 Missing value
F 025015
1 Radome attenuation correction
All 2 Missing value
F 025017
1 Precipitation attenuation correction
All 2 Missing value
C 025020
0 FFT (fast Fourier transform)
1 PPP (pulse-pair processing)
2 VPC (vector-phase change)
3 Missing value
F 025021
1 Simple average
2 Consensus average
3 Median check
4 Vertical consistency check
5 Other
All 8 Missing value
6-7 Reserved
F 025022
1 Unprocessed
2 Land suspected
3 Wind speed too large
4 Ice detected
5 Rain detected (Microwave retrievals only)
6 Cloudy detected (Infra-red retrievals only)
7 Cosmetic value
8 SST out of range
All 9 Missing value
C 025023
1 Default confidence value has been used
2 Default bias and standard deviation have been used
3 Sun glint suspected
4 Sea ice retrieval for microwave data
5 High wind speed retrieval
6 Inaccurate SST due to low SST (< 285K) (Only applies to the TMI instrument)
7 Relaxed rain contamination suspected
8 Potential side lobe contamination
All 9 Missing value
F 025024
0 Unprocessed infrared retrieval
1 Cloudy retrievals
2 Bad: Data that are probably contaminated by cloud
3 Suspect data
4 Acceptable data
5 Excellent data
6 Cool skin suspected
10 Unprocessed microwave retrieval
11 Questionable microwave retrieval that may be contaminated
12 Acceptable microwave retrieval
13 High probability of diurnal variability
14 Reserved
15 Missing value
7-9 Reserved
F 025029
1 Reserved
2 Calibration target or signal
3 Against raingauges
4 Against other instruments (distrometer - attenuation)
5 Reserved
All 6 Missing value
C 025030
0 Running mean sea-surface temperature not used because usage criteria not met
1 Running mean sea-surface temperature not used because data not available
2 Running mean sea-surface temperature used as predictor
3 Missing value
C 025031
0 Reserved
1 No thinning applied (all native model levels are included from base to top of pseudo-sounding).
2 Native model levels are present only if they are significant levels as per regulations B/C 25 for conventional TEMP soundings
3 A predefined subset of native model levels is present
4 No native model levels are present. All profile levels are interpolated to a predefined set of pressure coordinate levels
5 Reserved
6 Reserved
7 Missing value
C 025032
0 Reserved
1 Data from low mode
2 Data from high mode
3 Missing value
C 025033
0 Wind profiler operating in submode A
1 Wind profiler operating in submode B
2 Reserved
3 Missing value
Meaning (1 = true, 0 = false)
F 025034
1 Test A performed and failed
2 Test B performed and failed
3 Test results inconclusive
All 4 Missing value
C 025035
0 Not defined
1 Individual voltage deflection
2 Current based, above a threshold
3 Voltage based, above a threshold
4 Consensus of sensors, current above a threshold
5 Consensus of sensors, voltage above a threshold
6 Reserved
7 Missing value
C 025036
0 Network of several direction-finders operating on the same individual atmospherics
1 Network of several arrival-time stations operating on the same individual atmospherics
6 Single station range bearing technique
15 Missing value
2-5 and 7-14 Reserved
C 025040
0 Non-specific mode
1 First guess data
2 Cloud data
3 Average vector data
4 Primary data
5 Guess data
6 Vector data
7 Tracer data; this image
8 Tracer data to next image
15 Missing value
9-14 Reserved
C 025041
0 Direction originally reported in true degrees
1 Direction originally reported using Code table 0700, FM 13
2 Reserved
3 Missing value
Note: Where the original reporting method is as indicated by code figure 1, the following conversion is recommended to obtain a suitable data value corresponding to descriptor 0'01'012:
Reported value Data value
0 0
1 45
2 90
3 135
4 180
5 225
6 270
7 315
8 360
9 511
C 025042
0 Speed originally reported in metres per second
1 Speed originally reported using Code table 4451, FM 13
2 Reserved
3 Missing vallue
Note: Where the original reporting method is as indicated by code figure 1, the following conversion is recommended to obtain a suitable data value corresponding to descriptor 0'01'013:
Reported value Data value
0 0
1 1
2 4
3 7
4 9
5 12
6 14
7 17
8 19
9 21
/ 1023
F 025045
1-20 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 21 Missing value
F 025046
1-4 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 5 Missing value
F 025047
1-3 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 4 Missing value
F 025048
1-15 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 16 Missing value
F 025049
1-5 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 6 Missing value
F 025051
1-6 Beginning with first bit position (high order bit),
if bit position is set to 1, then channel is present
if bit position is set to 0, then channel is not present
All 7 Missing value
F 025053
1 Good
2 Redundant
3 Questionable
4 Bad
5 Experimental
6 Precipitating
All 12 Missing value
7-11 Reserved
C 025063
0 Not defined
1 Main processor
2 Backup processor
255 Missing value
3-254 Reserved
F 025069
1 Smoothed
2 Baseline adjusted
3 Normalized time interval
4 Outlier checked
5 Plausibility checked
6 Consistency checked
7 Interpolated
All Missing value
C 025086
0 Depths are not corrected
1 Depths are corrected
2 Reserved
3 Missing value
C 025090
0 Orbit computed during a manoeuvre
1 Adjusted mission operations orbit
2 Extrapolated mission operations orbit
3 Adjusted (preliminary/precise) orbit
4 (Preliminary/precise) orbit is estimated during a manoeuvre period
5 (Preliminary/precise) orbit is interpolated over a tracking data gap
6 (Preliminary/precise) orbit is extrapolated for a duration less than 1 day
7 (Preliminary/precise) orbit is extrapolated for a duration that ranges from 1 day to 2 days
8 (Preliminary/precise) orbit is extrapolated for a duration larger than 2 days, or that the orbit is extrapolated just after a manoeuvre
9 DORIS* DIODE** navigator orbit
15 Missing value
10-14 Reserved
F 025093
1 No correction
2 Vertical velocity correction
7 All corrections
All 8 Missing value
3-6 Reserved
F 025095
1 Altimeter operating (0 if nominal, 1 if backup)
All 2 Missing value
F 025096
1 Mode indicator (0 if Mode 2, 1 if mode 1)
2 Mode 1 calibration sequence indicator (0 if normal data taking either mode 1 or 2, 1 if mode 1 calibration sequence) 'Bits 3 and 4 indicate active 23.8 GHz channel(s):
3 Channel 2 (0 if on, 1 if off)
4 Channel 3 (0 if on, 1 if off)
All 5 Missing value
C 025097
0 Ranges between 0 and 30 cm
1 Ranges between 30 and 60 cm
2 Ranges between 60 and 90 cm
3 Ranges between 90 and 120 cm
4 Ranges between 120 and 150 cm
5 Ranges between 150 and 180 cm
6 Ranges between 180 and 210 cm
7 Ranges between 210 and 240 cm
8 Ranges between 240 and 270 cm
9 Ranges larger than 270 cm
15 Missing value
10-14 Reserved
F 025098 (0 is good, 1 is bad)
1 Ku band range
2 C band range
3 Ku band SWH*
4 C band SWH*
5 Ku band backscatter coefficient
6 C band backscatter coefficient
7 Off nadir angle from Ku band waveform parameters
8 Off nadir angle from platform
All 9 bits Missing value
* SWH = "Significant wave height"
F 025099 (0 is good, 1 is bad)
1 Ku band range instrumental correction
2 C band range instrumental correction
3 Ku band SWH* instrumental correction
4 C band SWH* instrumental correction
5 Ku band backscatter coefficient instrumental correction
6 C band backscatter coefficient instrumental correction
7-8 Reserved
All 9 Missing value
* SWH = "Significant wave height"
F 025110
1 Raw data analysis used for raw data correction. Correction done using default parameters
2 Raw data analysis used for raw data correction. Correction done using raw data analysis results
3 Antenna elevation pattern correction applied
4 Nominal chirp replica used
5 Reconstructed chirp used
6 Slant range to ground range conversion applied
All 10 Missing value
7-9 Reserved
C 025112
1 Band specific range
2 Band specific significant wave height
3 Band specific backscatter coefficient
4 Off nadir angle from band specific waveform parameters
5 Off nadir angle from platform
All 9 Missing value
6-8 Reserved
C 025113
1 Band specific range instrumental correction
2 Band specific significant wave height instrumental correction
3 Band specific backscatter coefficient instrumental correction
All 9 Missing value
4-8 Reserved
C 025120
0 Percentage of DSRs* free of processing errors during Level 2 processing is greater than the acceptable threshold
1 Percentage of DSRs free of processing errors during Level 2 processing is less than the acceptable threshold
2 Reserved
3 Missing value
Note: DSR = Data Set Record
C 025122
0 Hardware configuration for RF is A
1 Hardware configuration for RF is B
2 Reserved
3 Missing value
Note: RF = Radio Frequency
C 025123
0 Hardware configuration for HPA is A
1 Hardware configuration for HPA is B
2 Reserved
3 Missing value
Note: HPA = High Power Amplifier
C 025124
0 Percentage of DSRs** free of processing errors during Level 2 processing is greater than the acceptable threshold
1 Percentage of DSRs** free of processing errors during Level 2 processing is less than the acceptable threshold
2 Reserved
3 Missing value
(*) MWR = Microwave radiometer; (**) DSR = Data Set Record
C 025150
1 The Dvorak's VIS (VISual imagery) intensity analysis
2 The Dvorak's EIR (Enhanced InfraRed imagery) intensity analysis
15 Missing value
3-14 Reserved
F 025174
1 Pixel is affected by RFI effects
2 Pixel is located in the hexagonal Alias direction centred on Sun alias
3 Pixel is close to the border delimiting the extended Alias free zone
4 Pixel is inside the extended Alias free zone
5 Pixel is inside the exclusive of Alias free zone
6 Pixel is located in a zone where a Moon Alias was reconstructed
7 Pixel is located in a zone where Sun reflection has been detected
8 Pixel is located in a zone where Sun Alias was reconstructed
9 Flat target transformation has been performed during image reconstruction of this pixel
10 Scene has been combined with an adjustment scene in opposite polarization during image reconstruction to account for cross-polarization leakage
11 Direct Moon correction has been performed during image reconstruction of this pixel
12 Reflected Sun correction has been performed during image reconstruction of this pixel
13 Direct Sun correction has been performed during image reconstruction of this image
All 14 Missing value
C 025181
0 OK
1 Percentage of L2b records free of processing errors is less than acceptable threshold
2 Missing value
C 025182
0 OK
1 Percentage of L1b records free of processing errors is less than acceptable threshold
2 Missing value
C 025184
0 OK
1 Product as a duration shorter than the input product
2 Missing value
C 025185
0 AES 256
255 Missing value
1-254 Reserved
C 025187
0 Valid
1 Invalid
15 Missing value
2-14 Reserved
C 025188
0 Pressure adjusted to mean sea level following WMO-No. 8* for low level (< 50 m) stations
1 Pressure adjusted to mean sea level following WMO-No. 8 for stations below 750 m
2 Pressure adjusted to sea level following national practice
3 Pressure adjusted to local water level following national practice
4 Pressure not corrected for height
15 Missing value
5-14 Reserved
(*) Guide to Meteorological Instruments and Methods of Observation
#
F 026010
1 0100 included
2 0200 included
3 0300 included
4 0400 included
5 0500 included
6 0600 included
7 0700 included
8 0800 included
9 0900 included
10 1000 included
11 1100 included
12 1200 included
13 1300 included
14 1400 included
15 1500 included
16 1600 included
17 1700 included
18 1800 included
19 1900 included
20 2000 included
21 2100 included
22 2200 included
23 2300 included
24 2400 included
25 Unknown mixture of hours
All 26 Missing value
C 029001
0 Gnomonic projection
1 Polar stereographic projection
2 Lambert's conformal conic projection
3 Mercator's projection
4 Scanning Cone (radar)*
5 Reserved
6 No projection
7 Missing value
(*) Projection type 4 indicates a Cartesian grid placed directly on the scanning cone defined by the azimuthal sweep of the radar.
C 029002
0 Cartesian
1 Polar
2 Other
7 Missing value
3-6 Reserved
C 030031
0 PPI
1 Composite
2 CAPPl
3 Vertical section
4 Alphanumeric data
5 Map of subject clutter
6 Map
7 Test picture
8 Comments
9 Map of ground occultation
10 Map of radar beam height
14 Other
15 Missing value
11-13 Reserved
F 030032
1 Map
2 Satellite IR
3 Satellite VIS
4 Satellite WV
5 Satellite multispectral
6 Synoptic observations
7 Forecast parameters
8 Lightning data
15 Other data
All 16 Missing value
9-14 Reserved
C 031021
0 Reserved
1 1-bit indicator of quality; 0=good, 1=suspect or bad
2 2-bit indicator of quality; 0=good, 1=slightly suspect, 2=highly suspect, 3=bad
6 4-bit indicator of quality control class according to GTSPP*
7 Percentage confidence
8 0=Not suspected, 1=Suspected, 2=Reserved, 3=Information not required
21 1-bit indicator of correction (see Note 2); 0=original value, 1=substituted/corrected value
63 Missing value
3-5, 9-20 Reserved
22-62 Reserved for local use
Notes:
(*) GTSPP quality values (6): 0 = Unqualified 1 = Correct value (all checks passed) 2 = Probably good but value inconsistent with statistics (differ from climatology) 3 = Probably bad (spike, gradient, ... if other tests passed) 4 = Bad value, impossible value (out of scale, vertical instability, constant profile) 5 = Value modified during quality control 6-7 = Not used (reserved) 8 = Interpolated value 9 = Missing value
(Actually this is a FlagTable)
C 031031
0 Data present
1 Data not present
C 033002
0 Data not suspect
1 Data suspect
2 Reserved
3 Quality information not given
C 033003
0 Data not suspect
1 Data slightly suspect
2 Data highly suspect
3 Data considered unfit for use
7 Quality information not given
4-6 Reserved
F 033005
1 No automated meteorological data checks performed
2 Pressure data suspect
3 Wind data suspect
4 Air temperature data suspect
5 Wet-bulb temperature data suspect
6 Humidity data suspect
7 Ground temperature data suspect
8 Soil temperature (depth 1) data suspect
9 Soil temperature (depth 2) data suspect
10 Soil temperature (depth 3) data suspect
11 Soil temperature (depth 4) data suspect
12 Soil temperature (depth 5) data suspect
13 Cloud data suspect
14 Visibility data suspect
15 Present weather data suspect
16 Lightning data suspect
17 Ice deposit data suspect
18 Precipitation data suspect
19 State of ground data suspect
20 Snow data suspect
21 Water content data suspect
22 Evaporation/evapotranspiration data suspect
23 Sunshine data suspect
All 30 Missing value
24-29 Reserved
C 033006
0 Self-check OK
1 At least one warning active, no alarms
2 At least one alarm active
3 Sensor failure
7 Missing value
4-6 Reserved
C 033015
0 Passed all checks
1 Missing-data check
2 Descending/reascending balloon check
3 Data plausibility check (above limits)
4 Data plausibility check (below limits)
5 Superadiabatic lapse rate check
6 Limiting angles check
7 Ascension rate check
8 Excessive change from previous flight
9 Balloon overhead check
10 Wind speed check
11 Wind direction check
12 Dependency check
13 Data valid but modified
14 Data outlier check
63 Missing value
15-62 Reserved
C 033020
0 Good
1 Inconsistent
2 Doubtful
3 Wrong
4 Not checked
5 Has been changed
6 Estimated
7 Missing value
C 033021
0 Within limits
1 Outside limits
2 Reserved
3 Missing value
C 033022
0 Good (several identical reports have been received)
1 Dubious (no identical reports have been received)
2 Reserved
3 Missing value
C 033023
0 Reliable (location was made over two satellite passes)
1 Latest known (no location over the corresponding pass)
2 Dubious (location made over one pass only; a second solution is possible in 5 per cent of the cases)
3 Missing value
C 033024
0 Reserved
1 Excellent - within 3 metres
2 Good - within 10 metres
3 Fair - within 20 metres
4 Poor - more than 20 metres
5 Excellent - within 10 feet
6 Good - within 30 feet
7 Fair - within 60 feet
8 Poor - more than 60 feet
15 Missing value
9-14 Reserved
C 033025
0 Time interpolated, latitude and longitude reported
1 Time reported, latitude and longitude interpolated
2 Time, latitude, and longitude interpolated
3 Time, latitude, and longitude reported
7 Missing value
4-6 Reserved
C 033026
0 Normal operations - measurement mode
1 Normal operations - non-measurement mode
2 Small RH
3 Humidity element is wet
4 Humidity element contaminated
5 Heater fail
6 Heater fail and wet/contaminated humidity element
7 At least one of the input parameters used in the calculation of mixing ratio is invalid
8 Numeric error
9 Sensor not installed
10 Calculated RH > 100%
11 Input laser power too low
12 Probe WV temp. out of range
13 Probe WV press. out of range
14 Spectral line out of range
15 No laser output
63 Missing value
16-62 Reserved
C 033027
0 Radius >= 1500 m
1 500 m =< Radius <1500 m
2 250 m =< Radius < 500 m
3 Radius < 250 m
7 Missing value
4-6 Reserved
C 033028
1 Nominal
2 Degraded by SW error; any error reported by the algorithms
3 Degraded by instrument error
4 Degraded by corrupted /missing ADF
7 Missing value
5-6 Reserved
F 033030
1 Do not use scan for product generation
2 Time sequence error detected with this scan
3 Data gap precedes this scan
4 No calibration
5 No Earth location
6 First good time following a clock update
7 Instrument status changed with this scan
All 24 Missing value
8-23 Reserved
Note: If bit is set to 1 then statement is true.
F 033031
1 Time field is bad but can probably be inferred from the previous good time
2 Time field is bad and cannot be inferred from the previous good time
3 This record starts a sequence that is inconsistent with previous times (i.e. there is a time discontinuity). This may or may not be associated with a spacecraft clock update (see scan line status flags for ATOVS)
4 Start of a sequence that apparently repeats scan times that have been previously accepted
5 Scan line was not calibrated because of bad time
6 Scan line was calibrated using fewer than the preferred number of scan lines because of proximity to start or end of data or to a data gap
7 Scan line was not calibrated because of bad or insufficient PRT data
8 Scan line was calibrated but with marginal PRT data
9 Some uncalibrated channels on this scan
10 Uncalibrated due to instrument mode
11 Questionable calibration because of antenna position error of space view
12 Questionable calibration because of antenna position error of black body
13 Not Earth located because of bad time
14 Earth location questionable because of questionable time code (see time problem code bits)
15 Earth location questionable - only marginal agreement with reasonableness check
16 Earth location questionable - fails reasonableness check
17 Earth location questionable because of antenna position check
18 Scan line calibration cold black body
19 Scan line calibration warm black body
20 Scan line calibration space view
21 Earth view
All 24 Missing value
22-23 Reserved
Notes:
F 033032
1 No good blackbody counts for scan line
2 No good space view counts for this line
3 No good PRTs for this line
4 Some bad blackbody view counts for this line
5 Some bad space view counts for this line
6 Some bad PRT temps on this line
7 Quality for this scan is reduced
All 24 Missing value
8-23 Reserved (bits set to zero)
Note: All bits off implies a good calibration.
F 033033
1 Set if secondary calibration used
22 Set if all the channels are missing
23 Suspect
2-21 Bit n set to 1 if brightness temperature in channel n-1 is physically
unreasonable or has not been calculated due to calibration problems
All 24 Missing value
Notes:
C 033035
0 Automatic quality control passed and not manually checked
1 Automatic quality control passed and manually checked and passed
2 Automatic quality control passed and manually checked and deleted
3 Automatic quality control failed and manually not checked
4 Automatic quality control failed and manually checked and failed
5 Automatic quality control failed and manually checked and re-inserted
6 Automatic quality control flagged data as questionable and not manually checked
7 Automatic quality control flagged data as questionable and manually checked and failed
8 Manually checked and failed
15 Missing value
9-14 Reserved
F 033037
1 u departure from guess
2 v departure from guess
3 u and v departure from guess
4 u acceleration
5 v acceleration
6 u and v acceleration
7 Possible land feature
8 u acceleration and possible land feature
9 v acceleration and possible land feature
10 u and v acceleration and possible land feature
11 Bad wind guess
12 Correlation failure
13 Search box off edge of area
14 Target box off edge of area
15 Pixel brightness out of bounds (noisy line)
16 Target outside of latitude/longitude box
17 Target outside of pressure minimum/maximum
18 Autoeditor flagged slow vector
19 Autoeditor flagged vectors
All 20 Missing value
F 033038
1 Total zenith delay quality is considered poor
2 GALILEO satellites used
3 GLONASS satellites used
4 GPS satellites used
5 Meteorological data applied
6 Atmospheric loading correction applied
7 Ocean tide loading applied
8 Climate quality data processing
9 Near-real time data processing
All 10 Missing value
(*) GNSS = Global Navigation Satellite Systems
F 033039
1 Non-nominal quality
2 Offline product
3 Ascending occultation flag
4 Excess phase processing non-nominal
5 Bending angle processing non-nominal
6 Refractivity processing non-nominal
7 Meteorological processing non-nominal
14 Background profile non-nominal
15 Background (i.e. not retrieved) profile present
All 16 Missing value
8-13 Reserved
C 033041
0 The following value is the true value
1 The following value is higher than the true value (the measurement hit the lower limit of the instrument)
2 The following value is lower than the true value (the measurement hit the higher limit of the instrument)
3 Missing value
Note:
C 033042
0 Exclusive lower limit (>)
1 Inclusive lower limit (>=)
2 Exclusive upper limit (<)
3 Inclusive upper limit (=<)
7 Missing value
4-6 Reserved
F 033043
1 Sea MDS. Nadir only SST retrieval used 3.7 micron channel. Land MDS reserved
2 Sea MDS. Dual view SST retrieval used 3.7 micron channel. Land MDS reserved
3 Nadir view contains day time data
4 Forward view contains day time data
All 8 Missing value
5-7 Reserved
F 033044
1 Input data mean outside nominal range flag
2 Input data standard deviation outside nominal range flag
3 Number of input data gaps > threshold value
4 Percentage of missing lines > threshold value
5 Doppler centroid uncertain. Confidence measure < specific value
6 Doppler ambiguity estimate uncertain. Confidence measure < specific value
7 Output data mean outside nominal range flag
8 Output data standard deviation outside nominal range flag
9 Chirp reconstruction failed or is of low quality flag
10 Data set missing
11 Invalid downlink parameters
12 Azimuth cut-off iteration count. The azimuth cut-off fit did not converge within a minimum number of iterations
13 Azimuth cut-off fit did not converge within a minimum number of iterations
14 Phase information confidence measure. The imaginary spectral peak is less than a minimum threshold, or the zero lag shift is greater than a minimum threshold
All 15: Missing value
F 033047
1 Error detected and attempts to recover made
2 Anomaly in on-board data handling (OBDH) value detected
3 Anomaly in ultra stable oscillator processing (USOP) value detected
4 Errors detected by on-board computer
5 Automatic gain control (AGC) out of range
6 Reception (Rx) delay fault. Rx distance out of range
7 Wave form samples fault identifier. Error
8 S band anomaly/error detected
12 Brightness temperature (channel 1) out of range
13 Brightness temperature (channel 2) out of range
14 Reserved
15 Ku band ocean retracking error
16 S band ocean retracking error
17 Ku band ice 1 retracking error
18 S band ice 1 retracking error
19 Ku band ice 2 retracking error
20 S band ice 2 retracking error
21 Ku band sea ice retracking error
22 Arithmetic fault error
23 Meteo data state. No map
24 Meteo data state. 1 map
25 Meteo data state. 2 maps degraded
26 Meteo data state. 2 maps nominal
27 Orbit propagator status for propagation mode, several errors
28 Orbit propagator status for propagation mode, warning detected
29 Orbit propagator status for initialization mode, several errors
30 Orbit propagator status for initialization mode, warning detected
All 31 Missing value
9-11 Reserved
C 033048
0 Inversion successful
1 Inversion not successful
2 Reserved
3 Missing value
(*) SAR = Synthetic aperture radar
C 033049
0 External wind direction used during inversion
1 External wind direction not used during inversion
2 Reserved
3 Missing value
C 033050
0 Unqualified
1 Correct value (all checks passed)
2 Probably good but value inconsistent with statistics (differ from climatology)
3 Probably bad (spike, gradient, etc., if other tests passed)
4 Bad value, impossible value (out of scale, vertical instability, constant profile)
5 Value modified during quality control
8 Interpolated value
9 Good for operational use; Caution; check literature for other uses
15 Missing value
6-7, 10-14 Reserved
F 033052
1-20 First 20 least significant bits correspond to the 20 values
(one per data block containing: 0=valid measurement, 1=invalid).
Bit 1 applies to the 20th data block.
All 21 Missing value
F 033053
1-20 First 20 least significant bits correspond to the 20 values
(one per data block containing: 0=valid measurement, 1=invalid).
Bit 1 applies to the 20th data block.
All 21 Missing value
C 033060
0 Good
1 Bad
2 Reserved
3 Missing value
C 033066
22 Correlation surface constraint fails
23 Reserved
All 24 Missing value
1-21 Reserved
C 033070
0 Good retrieval
1 Bad aerosol information flag or NOAA-16 radiance anomaly
2 Solar zenith angle greater than 84 degrees
3 380 nm residue greater than limit
4 Ozone inconsistency
5 Difference between profile ozone and step 3 total ozone exceeds threshold (set to 25 DU)
6 Step 1 ozone iteration did not converge
7 Any channel residue greater than 16 or bad radiance
8 Insufficient pixels – not processed
9 First guess good – ozone forecast data used
10 High cloud in pixel – not processed
11 Successful ozone retrieval
12 Unsuccessful ozone retrieval
15 Missing value
13-14 Reserved
C 033071
0 Good retrieval
1 Solar zenith angle greater than 84 degrees
2 Difference between step 3 and profile total ozone greater than limit (25 DU)
3 Average final residue for wavelengths used in retrieval greater than threshold
4 Final residue greater than 3 times a priori error
5 Difference between retrieved and a priori greater than 3 times a priori error
6 Non-convergent solution
7 Upper level profile anomaly or stray light anomaly
8 Initial residue greater than 18.0 N-value units
15 Missing value
9-14 Reserved
C 033072
0 Good retrieval
1 Reflectivity out of range
2 Larger pixels (Number of cross-track pixels less than 32) or backward scans error
3 Solar zenith angle greater than 88 degrees
4 Latitude/longitude out of range
5 Viewing zenith angle or solar zenith angle out of range
6 Step-one process failed in general
7 First guess ozone out of range
8 Too many iterations (exceed 8)
9 Step-one residue calculation failed
10 Step-two process failed in general
11 First guess ozone profile out of range
12 Step-two ozone value out of range
13 Step-two residue calculation failed
14 Step-three process failed in general
15 Polarization correction accuracy alert
16 Radiance or irradiance less or equal to zero
31 Missing value
17-30 Reserved
F 033075
1 Gap in Raw Data Record (RDR) data detected (i.e., missing scan(s) preceding the current scan)
2 Recorded time is not in sequence (i.e., the scan start time is out of sequence)
3 Lambda monitored calculation cannot be updated
4 The measured temperatures of any instrument components (e.g., beam-splitter, scan mirror, scan baffle) are outside the allowable ranges
5 At least one of the monitored instrument temperatures has drifted more than a specified tolerance value
All 13 Missing value
6-12 Reserved
Note:
(1) Set to 1 if laser wavelength calculation is invalid due to laser diode bias current and/or
laser diode temperature measurements being outside the predetermined allowable ranges.
These ranges are tunable. In this case Lamda monitored calculation shall have 1 bit per scan.
(2) These temperatures are used to compute the “environmental” contribution to the
Internal Calibration Target (ICT) radiances. When this bit is set to 1, the invalid temperatures
shall be replaced with the validated temperature values of the ICT.
F 033076
1 Lunar intrusion on first deep space view
2 Lunar intrusion on second deep space view
All 9 Missing value
3-8 Reserved
Note: Set to 1 if at least one spectrum in the deep space moving average was invalidated due to a lunar intrusion.
F 033077
1 Degraded SDR* quality
2 Invalid SDR* quality (see Note 1)
3 Invalid SDR* geolocation information
4 Degraded radiometric calibration
5 Invalid radiometric calibration (see Note 2)
6 Degraded spectral calibration
7 Invalid spectral calibration (see Note 3)
8 Fringe count error detected and corrected (see Note 4)
9 Day/night indicator (see Note 5)
10 Invalid RDR** data (see Note 6)
11 Significant fringe count error detected (see Note 7)
12 Bit trim failed
13-18 Reserved
All 19 Missing value
* SDR = Science data record
** RDR = Raw data record
Note:
(1) SDR quality is invalid if bit trim failed (see bit 12), or fringe count error detected (see bit 11),
or invalid Raw data record (RDR) data (see bit 10), or invalid radiometric calibration (see bit 5),
or invalid spectral calibration (see bit 7).
(2) Radiometric calibration is invalid if radiometric calibration is not performed, or if it is performed
with invalid calibration data (e.g., deep space window size = 0).
(3) Spectral calibration is invalid if fringe count error detected and corrected (see bit 8),
or if Neon calibration is suspect and Lamda monitored calculation cannot be updated
(see “Scan-level quality flags" (0-33-075) - bit 3).
(4) Set to 0 if no fringe count error was detected (see bit 11), or a fringe count error was detected
but it was not corrected.
(5) Set to 0 if day (solar zenith angle < 90). Set to 1 if night (solar zenith angle > 90).
(6) This flag indicates the instrument exhibited operational errors and the associated interferogram(s)
is/are excluded from SDR processing.
(7) This flag indicates a significant number of fringes have been missed, shifting the interferogram ZPD
outside of a window monitored by the instrument, and the interferogram is excluded from SDR processing.
C 033078
0 Nominal - altitude and ephemeris data available
1 Missing at most a small gap of altitude and ephemeris data
2 Missing more than a small gap of altitude and ephemeris data, but no more than a granule boundary
3 Missing more than a granule boundary of altitude and ephemeris data
15 Missing value
4-14 Reserved
F 033079
6 The No. 1-No. 7 health checks failed
7 The No. 8-No. 15 health checks failed
8 The No. 16-No. 23 health checks failed
9 The No. 24-No. 31 health checks failed
10 The No. 32-No. 39 health checks failed
11 The No. 40-No. 47 health checks failed
12 The No. 48-No. 55 health checks failed
13 The No. 56-No. 63 health checks failed
14 The No. 64-No. 70 health checks failed
15 Quadratic correction applied to the radiometric transfer function for non-linearity correction
All 16 Missing value
1-5 Reserved
F 033080
7 Divide-by-zero condition or computation loop failed to converge in the K/Ka and V (KAV) band PRT*
8 Divide-by-zero condition or computation loop failed to converge in the WG band PRT
9 Divide-by-zero condition or computation loop failed to converge in the K/Ka, V, W, G band receiver shelf PRT K temperature computation
10 Out of range condition for the K/Ka and V band PRT
11 Out of range condition for the WG band PRT
12 KAV PRT temperature inconsistency
13 WG PRT temperature inconsistency
14 Time sequence error
15 Data gap - missing scan(s) preceding the current scan
16 KAV PRT sufficiency - insufficient KAV PRT data are available
17 WG PRT sufficiency - insufficient WG PRT data are available
18 Space view antenna position error
19 Blackbody antenna position error
All 20 Missing value
1-6 Reserved
(*) PRT = Platinum Resistance Temperature
F 033081
3 Moon in space view
4 Gain error - the lowest blackbody count is smaller than or equal to the highest space view count in a scan
5 Calibration with fewer than preferred samples
6 Space view data sufficiency check - insufficient space view samples are available
7 Blackbody view data sufficiency check - insufficient blackbody view samples are available
8 Out of range condition for the space view
9 Out of range condition for the blackbody view
10 Space view inconsistency
11 Blackbody view inconsistency
All 12 Missing value
1-2 Reserved
F 033082
6 Within south Atlantic anomaly
7 Invalid input data (indicates that any of the spacecraft ephemeris or attitude data are invalid)
8 Bad pointing (indicates that the sensor LOS does not intersect the geoid, is near the limb, has invalid sensor angles or other similar condition)
9 Bad terrain (indicates that the algorithm could not obtain a valid terrain value)
10 Invalid solar angles
11 Missing at most a small gap of altitude and ephemeris data
12 Missing more than a small gap of altitude and ephemeris data, but no more than a granule boundary
13 Missing more than a granule boundary of altitude and ephemeris data
14 The number of encoder pulse values per delta time is not as expected
15 Solar eclipse during Earth view scan
All 16 Missing value
1-5 Reserved
F 033083
7 Poor calibration quality due to bad space view offsets, OBC* view offsets, etc. or use of a previous calibration view
8 Saturated pixel
9 Missing data - data required for calibration processing are not available for processing
10 Calibrated pixel radiance out of range
11 Calibrated pixel reflectance or EBBT out of range
12 The moon has corrupted the space view
13 Scan data is not present (no valid data)
14 Quality for this scan-line is reduced. The value is determined by the combined number of steps required to find a replacement for thermistor or calibration source data
15 Bad detector
All 16 Missing value
1-6 Reserved
(*) OBC = on-board calibration
F 033084
6 Bulk SST outside of validation range
7 Skin SST outside of validation range
8 Sensor zenith angle > 40 degrees (pixel is not within 40 degrees of nadir and therefore is not of high quality)
9 Degradation - Horizontal Cell Size (HCS) > 1.3 km (HCS > 1.3 km, swath width > 1 700 km, sensor zenith angle > 50.3 degrees)
10 Exclusion: no ocean in pixel
11 Degradation: Aerosol Optical Thickness (AOT) > 0.6 (AOT in horizontal cell > 0.6 on the slant path (AOT @550 nm))
12 Exclusion: AOT > 1.0 (AOT in horizontal cell > 1.0 on the slant path (AOT @550 nm))
13 Sun glint present in pixel
14 Ice concentration threshold exceeded (SST not retrieved due to ice concentration exceeding threshold in system spec)
15 Thin cirrus detected in pixel
All 16 Missing value
1-5 Reserved
F 033085
4 Angstrom exponent is outside of the system specification range
5 Excluded, Angstrom exponent for AOT* at 550 nm < 0.15
6 Bright surface in cell (if over land), or shallow or turbid water in cell (if over ocean)
7 Low sun, excluded, Solar Zenith Angle > 80 degrees
8 Low sun, degraded, 65 degrees < Solar Zenith Angle <= 80 degrees
9 Fire detected in cell
10 Snow/Ice in cell
11 Cloud shadow in cell
12 Sun glint in cell
13 Bad SDR** data present in horizontal cell (quality of AOT/APSP*** degraded or AOT/APSP not retrieved due to bad SDR data in horizontal cell)
14 Cirrus contamination in cell
15 Cloud adjacent to cell
16 Cloud contamination in cell
17 AOT is outside of the system specification range
All 18 Missing value
1-3 Reserved
(*) AOT = Aerosol optical thickness; (**) SDR = Sensor data record; (***) APSP = Aerosol particle size parameter
C 033086
0 Not retrieved
1 Excluded
2 Degraded
3 High quality
7 Missing value
4-6 Reserved
C 033087
0 Less than or equal to 10%
1 Greater than 10% but less than or equal to 20%
2 Greater than 20% but less than or equal to 30%
3 Greater than 30% but less than or equal to 40%
4 Greater than 40% but less than or equal to 50%
5 Greater than 50% but less than or equal to 60%
6 Greater than 60% but less than or equal to 70%
7 Greater than 70% but less than or equal to 80%
8 Greater than 80%
15 Missing value
9-14 Reserved
F 033088
6 Surface reflectivity out of range
7 Residual too large
8 Aerosol index limit exceeded
9 Solar eclipse present (All or part of the IFOV is affected by a solar eclipse, umbra or penumbra viewing)
10 Sun glint present within IFOV
11 Snow or ice surface is within the IFOV
12 Solar zenith angle in excluded (night) condition (solar zenith angle >= 88 degrees)
13 Solar zenith angle in degraded condition (80 degrees <= solar zenith angle < 88 degrees)
14 SO2 index > 6 DU (degraded condition)
15 Residues are not consistent (indicates whether the residues from the 22 wavelengths are consistent)
16 O3 triplet selection is not consistent within retrieval (ozone triplet consistency)
17 Input data quality is not good
All 18 Missing value
1-5 Reserved
#
C 035000 000-099 International FM Codes 100-199 RA I Codes 200-299 RA II Codes 300-399 RA III Codes 400-499 RA IV Codes 500-599 RA V Codes 600-699 RA VI Codes 700-799 Antarctic Codes 800-999 Reserved 1000-1022 Not used 1023 Missing value
C 035001
0 Real time
1 Near-real time
2 Non-real time
7 Missing value
3-6 Reserved
C 035030
0 No discrepancies
1 Non-compliance with standard and recommended practices and procedures including those of monitoring
2 Catalogues of meteorological bulletins not updated in a timely manner
3 Incorrect routing directories
4 Lack of flexibility in the routing arrangements
5 Deficiencies in the operation of GTS centres and circuits
6 Loss of data or delays in relaying data on the GTS
7 Routing of data different from the routing provided in the plan
8 Various malpractices
15 Missing value
9-14 Reserved
C 035031
1 Sufficient and all of acceptable quality
2 Sufficient but partly of acceptable quality
3 Insufficient but all of acceptable quality
4 Insufficient and of unacceptable quality
5 Some messages not complete
6 Suspect or wrongly coded groups could not be interpreted confidently
7 Gross coding errors
8 Transmission sequential order not observed
9 Report completely garbled and thus discarded
10 Deficiencies identified and rectified
11 Deficiencies identified but not rectified
12 Deficiencies not identified
13 Measuring errors
14 Mutual inconsistency
15 Temporal inconsistency
16 Forecast error
17 Bias
18 Improve system of quality control
19 Expand training programmes
127 Missing value
20-98 Reserved
99-126 Not used
C 035032
1 Data groups missing due to radio fading
2 Data groups missing due to outage of centre
3 Data groups missing due to outage of circuit
4 Non-implementation or maintenance of required RBSN density
5 Shortage of qualified staff to man stations
6 Lack of consumables
7 Instrument failure
8 Non-adherence to telecommunication procedures
9 Some observing programmes ceased
15 Missing value
10-14 Not used
C 035033
1 No deficiency
2 Observations not made regularly
3 Observations not made at right time
4 Observations made but not disseminated
5 Observations made and sent to incorrect users
6 Collection not received
7 Collection transmitted late
8 Collection not transmitted
9 Difficulties in HF propagation and selection of suitable frequency
10 Difficulties in maintenance of communication equipment at remote stations
11 No alternative arrangement for routing meteorological observation
123 Missing value
12-99 Reserved
100-122 Not used
C 035034
1 Slight improvement
2 Significant improvement
3 Most significant improvement
4 Steady
5 Decreasing
6 Efforts required to improve night-time observations
7 Missing value
C 035035
0 Reserved
1 Balloon burst
2 Balloon forced down by icing
3 Leaking or floating balloon
4 Weak or fading signal
5 Battery failure
6 Ground equipment failure
7 Signal interference
8 Radiosonde failure
9 Excessive missing data frames
10 Reserved
11 Excessive missing temperature
12 Excessive missing pressure
13 User terminated
14 Sudden loss of signal
15 Tracking lost
16 Increasing pressure
17 Invalid and/or missed data time limits exceeded
30 Other
31 Missing value
18-29 Reserved
F 040005
1 Soil moisture between -20% and 0%
2 Soil moisture between 100% and 120%
3 Correction of wet backscatter reference
4 Correction of dry backscatter reference
5 Correction of volume scattering in sand
All 8 Missing value
6-7 Reserved
Note:
F 040006
1 Not soil
2 Sensitivity to soil moisture below limit
3 Azimuthal noise above limit
4 Backscatter Fore-Aft beam out of range
5 Slope Mid-Fore beam out of range
6 Slope Mid-Aft beam out of range
7 Soil moisture below -20%
8 Soil moisture above 120%
All 16 Missing value
9-15 Reserved
Note:
F 040011
1 Mean sea-surface (MSS) interpolation flag
2 Ocean tide solution 1 interpolation flag (0 = 4 points over ocean, 1 = less than 4 points)
3 Ocean tide solution 2 interpolation flag (0 = 4 points over ocean, 1 = less than 4 points)
4 Meteorological data interpolation flag (0 = 4 points over ocean, 1 = less than 4 points)
All 8 Missing value
5-7 Reserved
F 040012 (0 is good, 1 is bad)
1 18.7 GHz brightness temperature
2 23.8 GHz brightness temperature
3 34 GHz brightness temperature
All 8 Missing value
4-7 Reserved
C 040013
0 Interpolation with no gap between JMR* data
1 Interpolation with gaps between JMR* data
2 Extrapolation of JMR* data
3 Failure of extrapolation and interpolation
7 Missing value
4-6 Reserved
(*) JMR stands for "JASON-1 Microwave Radiometer"
F 040020
1 NZPD and complex calibration error
2 Band 3 affected by spike
3 Band 3 affected by saturation
4 Band 2 affected by spike
5 Band 1 affected by spike
6 Overflow/under flow
7 On-board processing error
8 Spectral calibration error
9 Radiometric calibration error
10 Missing AVHRR data
11 Missing IIS data
12 Missing sounder data
13 GqisFlagQual summary flag for all bands
14 On-ground processing error
15 Inter-calibration error IASI/AVHRR
16 Spare
All 17 Missing value
F 040023
1 Band sequence (0 = 3Ku_1C_3Ku, 1 = 2Ku_1C_2Ku)
2 C band frequency (0 = 320 MHz, 1 = 100 MHz)
3 C band status (0 = On, 1 = Off)
4 Ku band status (0 = On, 1 = Off)
All 5 Missing value
C 040024
0 2 maps available (6 hours apart)
1 2 maps available (> 6 hours apart)
2 1 map available; data extrapolated
3 No maps used
7 Missing value
4-6 Reserved
C 040025
0 Good
1 Bad
2 Reserved
3 Missing value
C 040028
0 Good data
1 Possible sun glint
2 Possible radio-frequency interference
3 Degraded geolocation data
4 Data corrected for warm load intrusion
5 Scan blanking on
6 Data is missing from file or unreadable
7 Unphysical brightness temperature
8 Error in geolocation data
9 Data missing in one channel
10 Data missing in multiple channels
11 Lat/lon values are out of range
12 Non-normal status modes
13 Distance to corresponding low frequency pixel > 7 km
14 Reserved
15 Missing value (no quality information available)
C 040036
0 Clear
1 Cloud
15 Missing value
2-14 Reserved
#
C 042004
0 Wave direction resolved
1 180-degree ambiguity not resolved
15 Missing
2-14 Reserved
Update history
Version 29.0 of Cipher BUFR and CREX Code & Flag Table was created from original WMO documents by Northern Lighthouse Ltd.