CREX Table B

As used by T-CREX Class Library

version 2.0, created 2000-10-31, based on WMO CREX Table B version 2

© Northern Lighthouse Ltd           Northern Lighthouse home

00 01 02 04 05 06 07 08 10 11 12 13 14 15 19 20 21 22 23 24 25 26 27 28 29 30 33 35



Class 00

#
 B00001 Table A: entry
 Character
 0 3
#
 B00002 Table A: data category description, line 1
 Character
 0 32
#
 B00003 Table A: data category description, line 2
 Character
 0 32
#
 B00005 CREX edition number
 Character
 0 3
#
 B00010 F descriptor to be added or defined
 Character
 0 1
#
 B00011 X descriptor to be added or defined
 Character
 0  2
#
 B00012 Y descriptor to be added or defined
 Character
 0 3
#
 B00013 Element name, line 1
 Character
 0 32
#
 B00014 Element name, line 2
 Character
 0 32
#
 B00015 Units name
 Character
 0 24
#
 B00016 Units scale sign
 Character
 0 1
#
 B00017 Units scale
 Character
 0 3
#
 B00018 Units reference sign
 Character
 0 1
#
 B00019 Units reference value
 Character
 0 10
#
 B00020 Element data width
 Character
 0 3
#
 B00030 Descriptor defining sequence
 Character
 0 6
#

Class 01

#
 B01001 WMO block number
 Numeric
 0    2
#
 B01002 WMO station number
 Numeric
 0 3
#
 B01003 WMO Region number/geographical area
 Code table
 0 1
#
 B01004 WMO Region sub-area (see note 1)
 Numeric
 0  1
#
 B01005 Buoy/platform identifier
 Numeric
 0  5
#
 B01006 Aircraft flight number
 Character
 0 8
#
 B01007 Satellite identifier
 Code table
 0  4
#
 B01008 Aircraft registration number
 Character
 0 8
#
 B01009 Type of commercial aircraft
 Character
 0  8
#
 B01010 Stationary buoy platform identifier;  e.g. C-MAN buoys
 Character
 0 8
#
 B01011 Ship or mobile land station identifier
 Character
 0 9
#
 B01012 Direction of motion of moving observing platform
 Degree true
 0 3
#
 B01013 Speed of motion of moving observing platform
 m s-1
 0  3
#
 B01014 Platform drift speed (high precision)
 m s-1
 2  4
#
 B01015 Station or site name
 Character
 0 20
#
 B01018 Short station or site name
 Character
 0 5
#
 B01020 WMO Region sub-area
 Numeric
 0 2
#
 B01021 Synoptic feature identifier
 Numeric
 0 4
#
 B01022 Name of feature (see note 2)
 Character
 0 28
#
 B01025 Storm identifier (see note 3)
 Character
 0 3
#
 B01026 WMO storm name
 Character
 0 8
#
 B01027 WMO long storm name (see notes 4 and 6)
 Character
 0 10
#
 B01031 Identification of originating/generating centre (see note 5)
 Code table
 0 5
#
 B01032 Generating application
 Code table
 0  3
#
 B01033 Identification of originating/generating centre
 Code table
 0 3
#
 B01034 Identification of originating/generating sub-centre
 Code table
 0 3
#
 B01041 Absolute platform velocity - first component
 m s-1
 5 10
#
 B01042 Absolute platform velocity - second component
 m s-1
 5 10
#
 B01043 Absolute platform velocity - third component
 m s-1
 5 10
#
 B01050 Platform transmitter ID number (numeric)
 Numeric
 0 6
#
 B01051 Platform transmitter ID number (character)
 Character
 0 12
#
 B01060 Aircraft reporting point (Beacon identifier)
 Character
 0  8
#
 B01062 Short ICAO location indicator
 Character
 0 4
#
 B01063 ICAO location indicator
 Character
 0 8
#
 B01064 Runway designator
 Character
 0 4
#
 B01075 Tide station identification
 Character
 0 5
#

Class 02

#
 B02001 Type of station
 Code table
 0 1
#
 B02002 Type of instrumentation for wind measurement
 Flag table
 0 2 4
#
 B02003 Type of measuring instrument used
 Code table
 0 2
#
 B02004 Type of instrumentation for evaporation measurement or type of crop for which evapotranspiration is reported
 Code table
 0 2
#
 B02005 Precision of temperature observation
 K
 2 3
#
 B02011 Radiosonde type
 Code table
 0 3
#
 B02012 Radiosonde computational method
 Code table
 0 2
#
 B02013 Solar and infrared radiation correction
 Code table
 0 2
#
 B02014 Tracking technique/status of system used
 Code table
 0 3
#
 B02015 Radiosonde completeness
 Code table
 0 2
#
 B02019 Satellite instrument
 Code table
 0 4
#
 B02020 Satellite classification
 Code table
 0 3
#
 B02021 Satellite instrument data used in processing
 Flag table
 0 3 9
#
 B02022 Satellite data processing technique used
 Flag table
 0 3 8
#
 B02023 Satellite derived wind computation method
 Code table
 0 2
#
 B02024 Integrated mean humidity computational method
 Code table
 0 2
#
 B02025 Satellite channel(s) used in computation
 Flag table
 0 9 25
#
 B02026 Cross track resolution
 m
 2 4
#
 B02027 Along track resolution
 m
 2 4
#
 B02028 Segment size at Nadir in x direction
 m
 0 6
#
 B02029 Segment size at Nadir in y direction
 m
 0 6
#
 B02030 Method of current measurement
 Code table
 0 1
#
 B02031 Duration and time of current measurement
 Code table
 0 2
#
 B02032 Indicator for digitization
 Code table
 0 1
#
 B02033 Method of salinity/depth measurement
 Code table
 0 1
#
 B02034 Drogue type
 Code table
 0 2
#
 B02035 Cable length
 m
 0 3
#
 B02036 Buoy type
 Code table
 0 1
#
 B02037 Method of tidal observation
 Code table
 0 1
#
 B02038 Method of sea-surface temperature measurement
 Code table
 0 2
#
 B02039 Method of wet-bulb temperature measurement
 Code table
 0 1
#
 B02040 Method of removing velocity and motion of platform from current
 Code table
 0 2
#
 B02041 Method of estimating reports related to synoptic features
 Code table
 0 2
#
 B02044 Indicator for method of calculating spectral wave data
 Code table
 0 2
#
 B02045 Indicator for type of platform
 Code table
 0 2
#
 B02046 Wave measurement instrumentation
 Code table
 0 2
#
 B02048 Satellite sensor indicator
 Code table
 0 2
#
 B02049 Geostationary satellite data-processing technique used
 Flag table
 0 3 8
#
 B02050 Geostationary sounder satellite channels used
 Flag table
 0 7 20
#
 B02051 Indicator to specify observing method for extreme temperatures
 Code table
 0 2
#
 B02052 Geostationary imager satellite channels used
 Flag table
 0 2 6
#
 B02053 GOES-I/M brightness temperature characteristics
 Code table
 0 2
#
 B02054 GOES-I/M sounding parameter characteristics
 Code table
 0 2
#
 B02055 Geostationary sounding statistical parameters
 Code table
 0 2
#
 B02056 Geostationary sounding accuracy statistics
 Code table
 0 2
#
 B02057 Origin of first guess information for GOES-I/M soundings
 Code table
 0 2
#
 B02058 Valid times of first guess information for GOES-I/M soundings
 Code table
 0 2
#
 B02059 Origin of analysis information for GOES-I/M soundings
 Code table
 0 2
#
 B02060 Origin of surface information for GOES-I/M soundings
 Code table
 0 2
#
 B02061 Aircraft navigational system
 Code table
 0 1
#
 B02062 Type of aircraft data relay system
 Code table
 0 2
#
 B02063 Aircraft roll angle
 Degree
 2 5
#
 B02064 Aircraft roll angle quality
 Code table
 0 1
#
 B02065 ACARS ground receiving station
 Character
 0 5
#
 B02070 Original specification of latitude/longitude
 Code table
 0 2
#
 B02091 Entry sensor 4/20mA
 A
 4 3
#
 B02100 Radar constant (see note 4)
 dB
 1 4
#
 B02101 Type of antenna
 Code table
 0 2
#
 B02102 Antenna height above tower base
 m
 0 3
#
 B02103 Radome
 Flag table
 0 1 2
#
 B02104 Antenna polarization
 Code table
 0 2
#
 B02105 Maximum antenna gain
 dB
 0 2
#
 B02106 3-dB beamwidth
 Degree
 1 2
#
 B02107 Sidelobe suppression
 dB
 0 2
#
 B02108 Crosspol discrimination (on axis)
 dB
 0 2
#
 B02109 Antenna speed (azimuth)
 Degree s-1
 2 4
#
 B02110 Antenna speed (elevation)
 Degree s-1
 2 4
#
 B02111 Radar incidence angle
 Degree
 1 4
#
 B02112 Radar look angle
 Degree
 1 4
#
 B02113 Number of azimuth looks
 Numeric
 0 2
#
 B02114 Antenna effective surface area
 m2
 0 5
#
 B02121 Mean frequency
 Hz
 -8 3
#
 B02122 Frequency agility range
 Hz
 -6 3
#
 B02123 Peak power
 W
 -4 3
#
 B02124 Average power
 W
 -1 3
#
 B02125 Pulse repetition frequency
 Hz
 -1 3
#
 B02126 Pulse width
 s
 7 2
#
 B02127 Receiver intermediate frequency
 Hz
 -6 3
#
 B02128 Intermediate frequency bandwidth
 Hz
 -5 2
#
 B02129 Minimum detectable signal
 dB
 0 3
#
 B02130 Dynamic range
 dB
 0 3
#
 B02131 Sensitivity time control (STC)
 Flag table
 0 1 2
#
 B02132 Azimuth pointing accuracy
 Degree
 2 2
#
 B02133 Elevation pointing accuracy
 Degree
 2 2
#
 B02134 Antenna beam azimuth
 Degree
 2 5
#
 B02135 Antenna elevation
 Degree
 2 5
#
 B02136 Range processed by range attenuation correction
 m
 -3 5
#
 B02140 Satellite radar beam azimuth angle
 Degree
 0 3
#
 B02141 Measurement type
 Character
 0 3
#
 B02142 Ozone instrument serial number/identification (see note 5)
 Character
 0 4
#
 B02143 Ozone instrument type
 Code table
 0 3
#
 B02144 Light source type for Brewer spectrophotometer
 Code table
 0 2
#
 B02145 Wave length setting for Dobson instruments
 Code table
 0 2
#
 B02146 Source conditions for Dobson instruments
 Code table
 0 2
#
 B02148 Data collection and/or location system
 Code table
 0 2
#
 B02149 Type of data buoy
 Code table
 0 2
#
 B02150 TOVS/ATOVS/AVHRR instrumentation chanel number
 Code table
 0 2
#
 B02151 Radiometer identifier
 Code table
 0 2
#
 B02152 Satellite instrument used in data processing
 Flag table
 0 10 31
#
 B02153 Satellite channel centre frequency
 Hz
 -8 8
#
 B02154 Satellite channel band width
 Hz
 -8 8
#
 B02163 Height assignement method
 Code table
 0 2
#
 B02164 Trace correlation method
 Code table
 0 1
#
 B02166 Radiance type
 Code table
 0 2
#
 B02167 Radiance computational method
 Code table
 0 2
#
 B02168 Hydrostatic pressure of lower end of cable (thermistor string)
 KPa
 0 5
#
 B02169 Anemometer type
 Code table
 0 2
#
 B02172 Product type for retrieved atmospheric gases
 Code table
 0 3
#

Class 04

#
 B04001 Year
 Year
 0  4
#
 B04002 Month
 Month
 0 2
#
 B04003 Day
 Day
 0 2
#
 B04004 Hour
 Hour
 0 2
#
 B04005 Minute
 Minute
 0 2
#
 B04006 Second
 Second
 0 2
#
 B04011 Time increment
 Year
 0 4
#
 B04012 Time increment
 Month
 0 4
#
 B04013 Time increment
 Day
 0 4
#
 B04014 Time increment
 Hour
 0 4
#
 B04015 Time increment
 Minute
 0 4
#
 B04016 Time increment
 Second
 0 4
#
 B04017 Reference time period for accumulated or extreme data
 Minute
 0 4
#
 B04021 Time period or displacement
 Year
 0 4
#
 B04022 Time period or displacement
 Month
 0 4
#
 B04023 Time period or displacement
 Day
 0 4
#
 B04024 Time period or displacement
 Hour
 0 4
#
 B04025 Time period or displacement
 Minute
 0 4
#
 B04026 Time period or displacement
 Second
 0 4
#
 B04031 Duration of time relating to following value
 Hour
 0 3
#
 B04032 Duration of time relating to following value
 Minute
 0 2
#
 B04041 Time difference UTC-LMT  (see note 6)
 Minute
 0 4
#
 B04043 Day of the year (starting from the first day of the year)
 Day
 0 3
#
 B04053 Number of days with precipitation equal to or more than 1 mm
 Numeric
 0 2
#
 B04065 Short time increment
 Minute
 0 2
#
 B04073 Short time period or displacement
 Day
 0 2
#
 B04074 Short time period or displacement
 Hour
 0 2
#
 B04075 Short time period or displacement
 Minute
 0 2
#

Class 05

#
 B05001 Latitude (high accuracy)
 Degree
 5 7
#
 B05002 Latitude (coarse accuracy)
 Degree
 2 4
#
 B05011 Latitude increment (high accuracy)
 Degree
 5 7
#
 B05012 Latitude increment (coarse accuracy)
 Degree
 2 4
#
 B05021 Bearing or azimuth
 Degree true
 2 5
#
 B05022 Solar azimuth
 Degree true
 2 5
#
 B05030 Direction (spectral)
 Degree
 0 4
#
 B05031 Row number
 Numeric
 0 4
#
 B05033 Pixel size on horizontal-1
 m
 -1 5
#
 B05034 Along track row number
 Numeric
  0 4
#
 B05040 Orbit number
 Numeric
 0 8
#
 B05041 Scan line number
 Numeric
 0 3
#
 B05042 Channel number
 Numeric
 0 2
#
 B05043 Field of view number
 Numeric
 0 3
#
 B05052 Channel number increment
 Numeric
 0 2
#
 B05053 Field of view number increment
 Numeric
 0 2
#

Class 06

#
 B06001 Longitude (high accuracy)
 Degree
 5 8
#
 B06002 Longitude (coarse accuracy)
 Degree
 2 5
#
 B06011 Longitude increment (high accuracy)
 Degree
 5 8
#
 B06012 Longitude increment (coarse accuracy)
 Degree
 2 5
#
 B06021 Distance
 m
 -1 4
#
 B06030 Wave number (spectral)
 rad m-1
 5 4
#
 B06031 Column number
 Numeric
 0 4
#
 B06033 Pixel size on horizontal-2
 m
 -1 5
#
 B06034 Cross track cell number
 Numeric
  0 3
#
 B06040 Radius of confidence
 m
 0 4
#

Class 07

#
 B07001 Height of station
 m
 0 5
#
 B07002 Height or altitude
 m
 -1 5
#
 B07003 Geopotential
 m2 s-2
 -1 6
#
 B07004 Pressure
 Pa
 -1 5
#
 B07005 Height increment
 m
 0  4
#
 B07006 Height above station
 m
 0 5
#
 B07007 Height
 m
 0  6
#
 B07008 Geopotential
 m2 s-2
 0 7
#
 B07009 Geopotential height
 gpm
 0 5
#
 B07021 Elevation(1)
 Degree
 2 5
#
 B07022 Solar elevation
 Degree
 2 5
#
 B07024 Satellite zenith angle
 Degree
 2 5
#
 B07025 Solar zenith angle
 Degree
 2 5
#
 B07061 Depth below land surface
 m
 2 5
#
 B07062 Depth below sea/water surface
 m
 1 6
#
 B07064 Height above station (sensor height artificially corrected)(2)
 m
 0 2
#
 B07070 Drogue depth
 m
 0 4
#

Class 08

#
 B08001 Vertical sounding significance
 Flag table
 0 3 7
#
 B08002 Vertical significance (surface observations)
 Code table
 0 2
#
 B08003 Vertical significance (satellite observations)
 Code table
 0 2
#
 B08004 Phase of aircraft flight
 Code table
 0 1
#
 B08005 Meteorological attribute significance
 Code table
 0 2
#
 B08006 Ozone vertical sounding significance
 Flag table
 0 3 9
#
 B08007 Dimensional significance
 Code table
 0 2
#
 B08008 Radiation vertical sounding significance
 Flag table
 0 3 9
#
 B08011 Meteorological feature
 Code table
 0 2
#
 B08012 Land/sea qualifier
 Code table
 0 1
#
 B08013 Day/night qualifier
 Code table
 0 1
#
 B08014 Qualifier for runway visual range
 Code table
 0 2
#
 B08016 Change qualifier of a trend-type forecast or an aerodrome forecast
 Code table
 0 1
#
 B08017 Qualifier of the time when the forecast change is expected
 Code table
 0 1
#
 B08018 SEAWINDS land/ice surface type
 Flag table
 0 6 17
#
 B08020 Total number of missing entities (with respect to accumulation or average)
 Numeric
  0 5
#
 B08021 Time significance
 Code table
 0  2
#
 B08022 Total number (with respect to accumulation or average)
 Numeric
 0 5
#
 B08023 First order statistics
 Code table
  0 2
#
 B08024 Difference statistics
 Code table
 0 2
#
 B08025 Time difference qualifier
 Code table
 0 2
#
 B08030 Manual on Codes (Volume I.1, Section C) Code table from which data are derived
 Numeric
 0 4
#
 B08031 Data category - CREX table A
 Numeric
 0 3
#
 B08035 Type of monitoring exercise
 Code table
 0 1
#
 B08036 Type of centre or station performing monitoring
 Code table
 0 1
#
 B08051 Qualifier for number of missing values in calculation of statistic
 Code table
 0  1
#
 B08052 Condition for which number of days of occurrence follows
 Code table
 0  2
#
 B08053 Day of occurrence qualifier
 Code table
  0 1
#
 B08060 Sample scanning mode significance
 Code table
 0 2
#
 B08070 TOVS/ATOVS product qualifier
 Code table
 0 2
#
 B08072 Pixel(s) type
 Code table
 0 1
#

Class 10

#
 B10001 Height of land surface
 m
 0 5
#
 B10002 Height
 m
 -1 5
#
 B10003 Geopotential
 m2 s-2
 -1 6
#
 B10004 Pressure
 Pa
 -1 5
#
 B10007 Height
 m
 0 6
#
 B10008 Geopotential
 m2 s-2
 0 7
#
 B10009 Geopotential height
 gpm
 0 5
#
 B10010 Minimum pressure reduced to mean sea level
 Pa
 -1 5
#
 B10011 Maximum pressure reduced to mean sea level
 Pa
 -1 5
#
 B10031 In direction of the North Pole, distance from the Earth's centre
 m
 2 10
#
 B10040 Number of retrieved layers
 Numeric
 0 4
#
 B10050 Standard deviation altitude
 m
 2 5
#
 B10051 Pressure reduced to mean sea level
 Pa
 -1 5
#
 B10052 Altimeter setting (QNH)
 Pa
 -1 5
#
 B10060 Pressure change
 Pa
 -1 4
#
 B10061 3-hour pressure change
 Pa
 -1 4
#
 B10062 24-hour pressure change
 Pa
 -1 4
#
 B10063 Characteristic of pressure tendency
 Code table
 0 2
#
 B10070 Indicated aircraft altitude
 m
 0 5
#

Class 11

#
 B11001 Wind direction
 Degree true
 0 3
#
 B11002 Wind speed
 m s-1
 1 4
#
 B11003 u-component
 m s-1
 1 4
#
 B11004 v-component
 m s-1
 1 4
#
 B11005 w-component
 Pa s-1
 1 4
#
 B11006 w-component
 m s-1
 2 4
#
 B11010 Wind direction associated with wind speed which follows
 Degree true
 0 3
#
 B11011 Wind direction at 10 m
 Degree true
 0 3
#
 B11012 Wind speed at 10 m
 m s-1
 1 4
#
 B11013 Wind direction at 5 m
 Degree true
 0 3
#
 B11014 Wind speed at 5 m
 m s-1
 1 4
#
 B11016 Extreme counterclockwise wind direction of a variable wind
 Degree true
 0 3
#
 B11017 Extreme clockwise wind direction of a variable wind
 Degree true
 0 3
#
 B11019 Steadiness of wind
 %
 0 3
#
 B11021 Relative vorticity
 s-1
 9 6
#
 B11022 Divergence
 s-1
 9 6
#
 B11023 Velocity potential
 m2 s-1
 -2 6
#
 B11031 Degree of turbulence
 Code table
  0 2
#
 B11032 Height of base of turbulence
 m
  -1  5
#
 B11033 Height of top of turbulence
 m
 -1 5
#
 B11034 Vertical gust velocity
 m s-1
 1 4
#
 B11035 Vertical gust acceleration
 m s-2
 2 5
#
 B11036 Maximum derived equivalent vertical gust speed
 m s-1
 1 4
#
 B11037 Turbulence Index
 Code table
 0 2
#
 B11038 Time of  occurrence of  Peak Eddy Dissipation Rate
 Code table
 0 2
#
 B11040 Maximum wind speed (mean wind)
 m s-1
 1 4
#
 B11041 Maximum wind speed (gusts)
 m s-1
 1  4
#
 B11042 Maximum wind speed (10 minute mean wind)
 m s-1
 1  4
#
 B11043 Maximum wind gust direction
 Degree true
 0 3
#
 B11044 Mean wind direction for surface-1500m (5000ft)
 Degree true
 0 3
#
 B11045 Mean wind speed for surface-1500m (5000ft)
 m s-1
 1 4
#
 B11046 Maximum instantaneous wind speed
 m s-1
 1 4
#
 B11047 Maximum instantaneous wind  speed
 m s-1
 1 4
#
 B11049 Standard deviation of wind direction
 Degree true
 0 3
#
 B11050 Standard deviation of horizontal wind speed
 m s-1
 1 4
#
 B11051 Standard deviation of vertical wind speed
 m s-1
 1 3
#
 B11052 Formal uncertainty in wind speed
 m s-1
 2 5
#
 B11053 Formal uncertainty in wind direction
 Degree true
 2 5
#
 B11061 Absolute wind shear in 1 km layer below
 m s-1
 1 4
#
 B11062 Absolute wind shear in 1 km layer above
 m s-1
 1 4
#
 B11070 Designator of the runway affected by wind shear (including ALL)
 Character
 0 4
#
 B11071 Turbulent vertical momentum flux
 m2 s-2
 3 5
#
 B11072 Turbulent vertical buoyancy flux
 K m s-1
 3 4
#
 B11073 Turbulent kinetic energy
 m2 s-2
 2 4
#
 B11074 Dissipation energy
 m2 s-2
 2 4
#
 B11075 Mean turbulence intensity (eddy dissipation rate)
 m2/3 s-1
 2 3
#
 B11076 Peak turbulence intensity (eddy dissipation rate)
 m2/3 s-1
 2 3
#
 B11081 Model wind direction at 10 meters
 Degree true
 2 5
#
 B11082 Model wind speed at 10 meters
 m s-1
 2 4
#

Class 12

#
 B12001 Temperature/dry-bulb temperature
 °C
 1 3
#
 B12002 Wet-bulb temperature
 °C
 1 3
#
 B12003 Dew-point temperature
 °C
 1 3
#
 B12004 Dry-bulb temperature at 2 m
 °C
 1 3
#
 B12005 Wet-bulb temperature at 2 m
 °C
 1 3
#
 B12006 Dew-point temperature at 2 m
 °C
 1 3
#
 B12007 Virtual temperature
 °C
 1 3
#
 B12011 Maximum temperature, at height and over period specified
 °C
 1 3
#
 B12012 Minimum temperature, at height and over period specified
 °C
 1 3
#
 B12013 Ground minimum temperature, past 12 hours
 °C
 1 3
#
 B12014 Maximum temperature at 2 m, past 12 hours
 °C
 1 3
#
 B12015 Minimum temperature at 2 m, past 12 hours
 °C
 1 3
#
 B12016 Maximum temperature at 2 m, past 24 hours
 °C
 1 3
#
 B12017 Minimum temperature at 2 m, past 24 hours
 °C
 1 3
#
 B12021 Maximum temperature at 2m
 °C
 2 4
#
 B12022 Minimum temperature at 2m
 °C
 2 4
#
 B12030 Soil temperature
 °C
 1 3
#
 B12051 Standard deviation temperature
 °C
 1 3
#
 B12052 Highest daily mean temperature
 °C
 1 3
#
 B12053 Lowest daily mean temperature
 °C
 1 3
#
 B12061 Skin temperature
 °C
 1 3
#
 B12062 Equivalent black body temperature
 °C
 1 3
#
 B12063 Brightness temperature
 °C
 1 3
#
 B12064 Instrument temperature
 K
 1 4
#
 B12065 Standard deviation brightness temperature
 K
 1 4
#
 B12071 Coldest cluster temperature
 K
 1 4
#
 B12072 Radiance
 W m-2sr-1
 6 9
#
 B12075 Spectral radiance
 W m-3sr-1
 -3 5
#
 B12076 Radiance
 W m-2sr-1
 3 5
#
 B12101 Temperature/dry-bulb temperature
 °C
 2 4
#
 B12102 Wet-bulb temperature
 °C
 2 4
#
 B12103 Dew-point temperature
 °C
 2 4
#
 B12104 Dry-bulb temperature at 2 m
 °C
 2 4
#
 B12105 Wet-bulb temperature at 2 m
 °C
 2 4
#
 B12106 Dew-point temperature at 2 m
 °C
 2 4
#
 B12107 Virtual temperature
 °C
 2 4
#
 B12111 Maximum temperature, at height and over period specified
 °C
 2 4
#
 B12112 Minimum temperature, at height and over period specified
 °C
 2 4
#
 B12113 Ground minimum temperature, past 12 hours
 °C
 2 4
#
 B12114 Maximum temperature at 2 m, past 12 hours
 °C
 2 4
#
 B12115 Minimum temperature at 2 m, past 12 hours
 °C
 2 4
#
 B12116 Maximum temperature at 2 m, past  24 hours
 °C
 2 4
#
 B12117 Minimum temperature at 2 m, past  24 hours
 °C
 2 4
#
 B12130 Soil temperature
 °C
 2 4
#
 B12152 Highest daily mean temperature
 °C
 2 4
#
 B12153 Lowest daily mean temperature
 °C
 2 4
#
 B12161 Skin temperature
 °C
 2 4
#
 B12162 Equivalent black body temperature
 °C
 2 4
#
 B12163 Brightness temperature
 °C
 2 4
#
 B12164 Instrument temperature
 K
 2 5
#
 B12171 Coldest cluster temperature
 K
 2 5
#

Class 13

#
 B13001 Specific humidity
 kg kg-1
 5 5
#
 B13002 Mixing ratio
 kg kg-1
 5 5
#
 B13003 Relative humidity
 %
 0 3
#
 B13004 Vapour pressure
 Pa
 -1 4
#
 B13005 Vapour density
 kg m-3
 3 3
#
 B13006 Mixing heights
 m
 -1 5
#
 B13007 Minimum relative humidity
 %
 0 3
#
 B13008 Maximum relative humidity
 %
 0 3
#
 B13011 Total precipitation/total water equivalent
 kg m-2
 1 5
#
 B13012 Depth of fresh snow
 m
 2 4
#
 B13013 Total snow depth
 m
 2 5
#
 B13014 Rainfall/water equivalent of snow (averaged rate)
 kg m-2 s-1
 4 4
#
 B13015 Snowfall (averaged rate)
 m s-1
 7 4
#
 B13016 Precipitable water
 kg m-2
 0 3
#
 B13019 Total precipitation past 1 hour
 kg m-2
 1 4
#
 B13020 Total precipitation past 3 hours
 kg m-2
 1 5
#
 B13021 Total precipitation past 6 hours
 kg m-2
 1 5
#
 B13022 Total precipitation past 12 hours
 kg m-2
 1 5
#
 B13023 Total precipitation past 24 hours
 kg m-2
 1 5
#
 B13031 Evapotranspiration
 kg m-2
 0 3
#
 B13032 Evaporation/evapotranspiration (see note 6)
 kg m-2
 1 3
#
 B13033 Evaporation/evapotranspiration
 kg m-2
 1 4
#
 B13038 Superadiabatic indicator
 Code table
 0 1
#
 B13039 Terrain type (ice/snow)
 Code table
 0 1
#
 B13041 Pasquill-Gifford stability category
 Code table
 0 2
#
 B13042 Parcel lifted index (to 500 hPa)
 K
 0 2
#
 B13043 Best lifted index (to 500 hPa)
 K
 0 2
#
 B13051 Frequency group, precipitation
 Code table
 0 2
#
 B13052 Highest daily amount of precipitation
 kg m-2
 1 5
#
 B13060 Total accumulated precipitation
 kg m-2
 1 5
#
 B13071 Upstream water level
 m
 2 4
#
 B13072 Downstream water level
 m
 2 4
#
 B13073 Maximum water level
 m
 2 4
#
 B13080 Water pH
 pH unit
 1 3
#
 B13081 Water conductivity
 Siemens m-1
 3 4
#
 B13082 Water temperature
 K
 1 4
#
 B13083 Dissolved oxygen
 kg m-3
 6 5
#
 B13084 Turbidity
 Lumen
 0 4
#
 B13085 Oxidation Reduction Potential (ORP)
 V
 3 4
#

Class 14

#
 B14001 Long-wave radiation, integrated over 24 hours
 J m-2
 -3 4
#
 B14002 Long-wave radiation, integrated over period specified
 J m-2
 -3 4
#
 B14003 Short-wave radiation, integrated over 24 hours
 J m-2
 -3 4
#
 B14004 Short-wave radiation, integrated over period specified
 J m-2
 -3 4
#
 B14011 Net long-wave radiation, integrated over 24 hours
 J m-2
 -3 4
#
 B14012 Net long-wave radiation, integrated over period specified
 J m-2
 -3 4
#
 B14013 Net short-wave radiation, integrated over 24 hours
 J m-2
 -3 4
#
 B14014 Net short-wave radiation, integrated over period specified
 J m-2
 -3 4
#
 B14015 Net radiation, integrated over 24 hours
 J m-2
 -4 5
#
 B14016 Net radiation, integrated over period specified
 J m-2
 -4 5
#
 B14017 Instantaneous long-wave radiation
 W m-2
 -3 4
#
 B14018 Instantaneous sort-wave radiation
 W m-2
 -3 4
#
 B14019 Surface albedo
 %
 0 3
#
 B14020 Global solar radiation, integrated over 24 hours
 J m-2
 -4 5
#
 B14021 Global radiation, integrated over period specified
 J m-2
 -4 5
#
 B14022 Diffuse solar radiation, integrated over 24 hours
 J m-2
 -4 5
#
 B14023 Diffuse solar radiation, integrated over period specified
 J m-2
 -4 5
#
 B14024 Direct solar radiation, integrated over 24 hours
 J m-2
 -4 5
#
 B14025 Direct solar radiation, integrated over period specified
 J m-2
 -4 5
#
 B14026 Albedo at the top of clouds
 %
 0 3
#
 B14027 Albedo
 %
 0 3
#
 B14028 Global solar radiation (high accuracy), integrated over period specified
 J m-2
 -2 5
#
 B14029 Diffuse solar radiation (high accuracy), integrated over period specified
 J m-2
 -2 5
#
 B14030 Direct solar radiation (high accuracy), integrated over period specified
 J m-2
 -2 5
#
 B14031 Total sunshine
 Minute
 0 4
#
 B14032 Total sunshine
 Hour
 0 4
#
 B14033 Total sunshine
 %
 0 3
#
 B14034 Sunshine over period specified
 Minute
 0 4
#
 B14042 Bidirectional reflectance
 %
 0 3
#
 B14045 Chanel radiance
 Wm-2sr-1cm-1
 0 4
#
 B14051 Direct solar radiation integrated over last hour
 Jm-2
 -3 4
#

Class 15

#
 B15001 Ozone
 DU
 0 4
#
 B15002 Air mass(slant path at 22 km)
 Numeric
 2 3
#
 B15003 Measured ozone partial pressure (sounding)
 nbar
 0 3
#
 B15004 Ozone sounding correction factor (CF)
 Numeric
 3 4
#
 B15005 Ozone p
 DU
 0 3
#
 B15011 Log 10 of integrated electron density
 log (m-2)
 3 4
#
 B15015 Maximum image spectral component before normalization
 Numeric
 0 10
#
 B15020 Integrated O3    density
 Kg m-2
 8 7
#

Class 19

#
 B19001 Type of synoptic feature
 Code table
 0 2
#
 B19002 Effective radius of feature
 m
 -2 4
#
 B19003 Wind speed threshold
 m s-1
 0 3
#
 B19004 Effective radius with respect to wind speeds above threshold
 m
 -2 4
#
 B19005 Direction of motion of feature
 Degree true
 0 3
#
 B19006 Speed of motion of feature
 m s-1
 2 5
#
 B19007 Effective radius of feature
 m
 -3 4
#
 B19008 Vertical extent of circulation
 Code table
 0 1
#
 B19009 Effective radius with respect to wind speeds above threshold (large storms)
 m
 -3 4
#
 B19010 Method for tracking the centre of synoptic feature
 Code table
 0 2
#

Class 20

#
 B20001 Horizontal visibility
 m
 -1 4
#
 B20002 Vertical visibility
 m
 -1 3
#
 B20003 Present weather
 Code table
 0 3
#
 B20004 Past weather (1)
 Code table
 0 2
#
 B20005 Past weather (2)
 Code table
 0 2
#
 B20008 Cloud distribution for Aviation
 Code table
 0 2
#
 B20009 General weather indicator (TAF/METAR)
 Code table
 0 2
#
 B20010 Cloud cover (total)
 %
 0 3
#
 B20011 Cloud amount
 Code table
 0 2
#
 B20012 Cloud type
 Code table
 0 2
#
 B20013 Height of base of cloud
 m
 -1 4
#
 B20014 Height of top of cloud
 m
 -1 4
#
 B20015 Pressure at base of cloud
 Pa
 -1 5
#
 B20016 Pressure at top of cloud
 Pa
 -1 5
#
 B20017 Cloud top description
 Code table
 0 2
#
 B20018 Tendency of runway visual range
 Code table
 0 1
#
 B20019 Significant present or forecast weather
 Character
 0 9
#
 B20020 Significant recent weather phenomena
 Character
 0 4
#
 B20031 Ice deposit (thickness)
 m
 2 3
#
 B20032 Rate of ice accretion
 Code table
 0 1
#
 B20033 Cause of ice accretion
 Flag table
 0 2 4
#
 B20034 Sea ice concentration
 Code table
 0 2
#
 B20035 Amount and type of ice
 Code table
 0 2
#
 B20036 Ice situation
 Code table
 0 2
#
 B20037 Ice development
 Code table
 0 2
#
 B20038 Bearing of ice edge
 Degree true
 0 3
#
 B20039 Ice distance
 m
 -1 4
#
 B20041 Airframe icing
 Code table
 0 2
#
 B20051 Amount of low clouds
 %
 0 3
#
 B20052 Amount of middle clouds
 %
 0 3
#
 B20053 Amount of high clouds
 %
 0 3
#
 B20061 Runway visual range (RVR)
 m
 0 4
#
 B20062 State of the ground (with or without snow)
 Code table
 0 2
#
 B20063 Special phenomena
 Code table
 0 4
#
 B20070 Minimum number of Atmospherics
 Numeric
 0 3
#
 B20071 Accuracy of fix and rate of Atmospherics
 Code table
 0 2
#
 B20081 Cloud amount in segment
 %
 0 3
#
 B20082 Amount segment cloud free
 %
 0 3
#
 B20090 Special clouds
 Code table
 0 2
#

Class 21

#
 B21001 Horizontal reflectivity
 dB
 0 3
#
 B21002 Vertical reflectivity
 dB
 0 3
#
 B21003 Differential reflectivity
 dB
 1 3
#
 B21005 Linear depolarisation ratio
 dB
 0 2
#
 B21006 Circular depolarisation ratio
 dB
 0 2
#
 B21011 Doppler mean velocity in X-direction
 m s-1
 0 3
#
 B21012 Doppler mean velocity in Y-direction
 m s-1
 0 3
#
 B21013 Doppler mean velocity in Z-direction
 m s-1
 0 3
#
 B21014 Doppler mean velocity (radial)
 m s-1
 1 4
#
 B21017 Doppler velocity spectral width
 m s-1
 1 3
#
 B21021 Echo tops
 m
 -3 2
#
 B21030 Signal to noise ratio
 dB
 0  3
#
 B21031 Vertical integrated liquid water content
 kg m-2
 0  3
#
 B21036 Radar rainfall intensity
 m s-1
 7  4
#
 B21041 Bright-band height
 m
 -2  3
#
 B21051 Signal power above 1 mW
 dB
 0  3
#
 B21062 Backscatter
 dB
 2  4
#
 B21063 Radiometric resolution (noise value)
 %
 1 4
#
 B21064 Clutter noise estimate
 Numeric
 0  3
#
 B21065 Missing packet counter
 Numeric
 0  3
#
 B21066 Wave scatterometer product confidence
 Flag table
 0  4 12
#
 B21067 Wind  product confidence data
 Flag table
 0  5 13
#
 B21068 Radar altimeter product confidence data
 Flag table
 0  3 8
#
 B21069 SST product confidence data
 Flag table
 0  4 10
#
 B21070 SST product confidence data (SADIST-2)
 Flag table
 0 6 23
#
 B21071 Peakiness
 Numeric
 0  5
#
 B21072 Satellite altimeter calibration status
 Flag table
 0  2 4
#
 B21073 Satellite altimeter instrument mode
 Flag table
 0  3 9
#
 B21075 Image spectrum intensity
 Numeric
 0  3
#
 B21076 Representation of intensities
 Code table
 0  1
#
 B21077 Altitude correction (ionosphere)
 m
 3  5
#
 B21078 Altitude correction (dry troposphere)
 m
 3  3
#
 B21079 Altitude correction (wet troposphere)
 m
 3  4
#
 B21080 Altitude correction (calibration constant)
 m
 3  4
#
 B21081 Open loop correction (height-time loop)
 m
 3  4
#
 B21082 Open loop correction (auto gain control)
 dB
 3  5
#
 B21085 ATSR sea surface temperature across-track band number
 Numeric
 0  2
#
 B21091 Radar signal Doppler spectrum 0th  moment
 dB
 0 3
#
 B21092 RASS signal Doppler spectrum 0th  moment, referring to RASS signal
 dB
 0 3
#
 B21101 Number of vector ambiguities
 Numeric
 0 1
#
 B21102 Index  of selected wind vector
 Numeric
 0 1
#
 B21103 Total number of sigma-0 measurements
 Numeric
 0 2
#
 B21104 Likelihood computed for solution
 Numeric
 3 5
#
 B21105 Normalised radar cross section
 dB
 2 5
#
 B21106 Kp variance coefficient(alpha)
 Numeric
 3 5
#
 B21107 Kp variance coefficient(beta)
 Numeric
 8 5
#
 B21109 SEAWINDS wind vector cell quality
 Flag table
 0 6 17
#
 B21110 Number of inner-beam sigma-0 (forward of satellite)
 Numeric
 0 2
#
 B21111 Number of outer-beam sigma-0 (forward of satellite)
 Numeric
 0 2
#
 B21112 Number of inner-beam sigma-0 (aft of satellite)
 Numeric
 0 2
#
 B21113 Number of outer-beam sigma-0 (aft of satellite)
 Numeric
 0 2
#
 B21114 Kp variance coefficient(gamma)
 dB
 3 6
#
 B21115 SEAWINDS sigma-0 quality
 Flag table
 0 6 17
#
 B21116 SEAWINDS sigma-0 mode
 Flag table
 0 6 17
#
 B21117 Sigma-0 variance quality control
 Numeric
 2 5
#
 B21118 Attenuation correction on sigma-0
 dB
 2 5
#
 B21119 Wind scatterometer geophysical model function
 Code table
 0 2
#
 B21120 Probability of rain
 Numeric
 3 4
#
 B21121 SEAWINDS NOF* rain index
 Numeric
 0 3
#
 B21122 Attenuation correction on sigma-0 (from tB)
 dB
 2 5
#
 B21123 SEAWINDS normalized radar cross section
 dB
 2 5
#

Class 22

#
 B22001 Direction of waves
 Degree true
 0 3
#
 B22002 Direction of wind waves
 Degree true
 0 3
#
 B22003 Direction of swell waves
 Degree true
 0 3
#
 B22004 Direction of current
 Degree true
 0 3
#
 B22011 Period of waves
 s
 0 2
#
 B22012 Period of wind waves
 s
 0 2
#
 B22013 Period of swell waves
 s
 0 2
#
 B22021 Height of waves
 m
 1 4
#
 B22022 Height of wind waves
 m
 1 4
#
 B22023 Height of swell waves
 m
 1 4
#
 B22025 Standard deviation wave height
 m
 2 4
#
 B22026 Standard deviation of significant wave height
 m
 2 4
#
 B22031 Speed of current
 m s-1
 2 4
#
 B22035 Tidal elevation with respect to local chart datum
 m
 2 4
#
 B22036 Meteorological residual tidal elevation (surge or offset)
 m
 2 4
#
 B22037 Tidal elevation with respect to national land datum
 m
 3 5
#
 B22038 Tidal elevation with respect to local chart datum
 m
 3 5
#
 B22039 Meteorological residual tidal elevation (surge or offset)
 m
 3 4
#
 B22040 Meteorological residual tidal elevation (surge or offset)
 m
 3 5
#
 B22041 Sea-surface temperature (15-day running mean)
 K
 1 4
#
 B22042 Sea/water temperature
 K
 1 4
#
 B22043 Sea/water temperature
 K
 2 5
#
 B22044 Sound velocity
 m s-1
 1 5
#
 B22050 Standard deviation sea-surface temperature
 K
 2 3
#
 B22061 State of the sea
 Code table
 0 2
#
 B22062 Salinity
 PPT
 2 5
#
 B22063 Total water depth
 m
 0 5
#
 B22067 Instrument type for water temperature profile measurement
 Code table
 0 4
#
 B22068 Water temperature profile recorder types
 Code table
 0 3
#
 B22070 Significant wave height
 m
 2 4
#
 B22071 Spectral peak wave period
 s
 1 3
#
 B22072 Spectral peak wave length
 m
 0 4
#
 B22073 Maximum wave height
 m
 2 4
#
 B22074 Average wave period
 s
 1 3
#
 B22075 Average wave length
 m
 0 4
#
 B22076 Direction from which dominant waves are coming
 Degree true
 0 3
#
 B22077 Directional spread of dominant wave
 Degree
 0 3
#
 B22078 Duration of wave record
 s
 0 4
#
 B22079 Length of wave record
 m
 0 5
#
 B22080 Waveband central frequency
 Hz
 3 4
#
 B22081 Waveband central wave number
 m-1
 5 4
#
 B22082 Maximum non-directional spectral wave density
 m2 s
 2 7
#
 B22083 Maximum non-directional spectral wave number
 m3
 2 7
#
 B22084 Band containing maximum non-directional spectral wave density
 Numeric
 0 3
#
 B22085 Spectral wave density ratio
 Numeric
 0 3
#
 B22086 Mean direction from which waves are coming
 Degree true
 0 3
#
 B22087 Principal direction from which waves are coming
 Degree true
 0 3
#
 B22088 First normalized polar coordinate from Fourier coefficients
 Numeric
 2 3
#
 B22089 Second normalized polar coordinate from Fourier coefficients
 Numeric
 2 3
#
 B22090 Non-directional spectral estimate by wave frequency
 m2 s
 2 7
#
 B22091 Non-directional spectral estimate by wave number
 m3
 2 7
#
 B22092 Directional spectral estimate by wave frequency
 m2 rad-1 s
 2 7
#
 B22093 Directional spectral estimate by wave number
 m4
 2 7
#
 B22094 Total number of wave bands
 Numeric
 0 3
#
 B22095 Directional spread of individual waves
 Degree
 0 3
#
 B22096 Spectral band width
 s-1
 3 2
#
 B22097 Mean wavelength > 731 m of image spectrum at low wave numbers
 m
 0 5
#
 B22098 Wavelength spread (wavelength > 731 m) at low wave numbers
 m
 0 5
#
 B22099 Mean direction at low wave numbers (wavelength > 731m)
 Degree true
 0 3
#
 B22100 Direction spread at low wave numbers (wavelength > 731m)
 Degree
 0 3
#
 B22101 Total energy (wavelength > 731 m) at low wave numbers
 Numeric
 0 10
#
 B22120 Tide station automated water level check
 Code table
 0 2
#
 B22121 Tide station manual water level check
 Code table
 0 2
#
 B22122 Tide station automated meteorological data check
 Code table
 0 2
#
 B22123 Tide station manual meteorological data check
 Code table
 0 2
#
 B22141 Sea-surface temperature (15-day running mean)
 K
 2 5
#

Class 23

#
 B23001 Accident early notification - article applicable
 Code table
 0 1
#
 B23002 Activity or facility involved in incident
 Code table
 0 2
#
 B23003 Type of release
 Code table
 0 1
#
 B23004 Countermeasures taken near border
 Code table
 0 1
#
 B23005 Cause of incident
 Code table
 0 1
#
 B23006 Incident situation
 Code table
 0 1
#
 B23007 Characteristics of release
 Code table
 0 1
#
 B23008 State of current release
 Code table
 0 1
#
 B23009 State of expected release
 Code table
 0 1
#
 B23016 Possibility of significant chemical toxic health effect
 Code table
 0 1
#
 B23017 Flow discharge of major recipient
 m3 s-1
 6 7
#
 B23018 Release behavior over time
 Code table
 0 1
#
 B23019 Actual release height
 m
 0 6
#
 B23021 Effective release height
 m
 0 6
#
 B23022 Distance of release point or site of incident
 m
 0 8
#
 B23023 Main transport speed in the atmosphere
 m s-1
 1 4
#
 B23024 Main transport speed in water
 m s-1
 2 4
#
 B23025 Main transport speed in ground water
 m s-1
 2 4
#
 B23027 Main transport direction in the atmosphere
 Degree true
 0 3
#
 B23028 Main transport direction in water
 Degree true
 0 3
#
 B23029 Main transport direction in ground water
 Degree true
 0 3
#
 B23031 Possibility that plume will encounter precipitation in State in which incident occurred
 Code table
 0 1
#
 B23032 Plume will encounter change in wind direction and/or speed flag
 Code table
 0 1
#

Class 24

#
 B24001 Estimate of amount of radioactivity released up to specified time
 Bq*
 -11 9
#
 B24002 Estimated maximum potential release
 Bq
 -11 9
#
 B24003 Composition of release
 Code table
 0 2
#
 B24004 Element name
 Character
 0 2
#
 B24005 Isotope mass
 Numeric
 0 3
#
 B24011 Dose
 mSv*/**
 2 10
#
 B24012 Trajectory dose (defined location and expected time of arrival)
 mSv
 2 10
#
 B24013 Gamma dose in air along the main transport path (defined location and time period)
 mSv
 2 10
#
 B24021 Air concentration (of named isotope type including gross beta)
 Bq m-3
 2 10
#
 B24022 Concentration in precipitation (of named isotope type)
 Bq l-1
 2 10
#
 B24023 Pulse rate of beta radiation
 s-1
 1  4
#
 B24024 Pulse rate of gamma radiation
 s-1
 1  4
#

Class 25

#
 B25001 Range-gate length
 m
 -1 2
#
 B25002 Number of gates averaged
 Numeric
 0 2
#
 B25003 Number of integrated pulses
 Numeric
 0 3
#
 B25004 Echo processing
 Code table
 0 1
#
 B25005 Echo integration
 Code table
 0 1
#
 B25006 Z to R conversion
 Code table
 0 1
#
 B25007 Z to R conversion factor
 Numeric
 0 4
#
 B25008 Z to R conversion exponent
 Numeric
 2 3
#
 B25009 Calibration method
 Flag table
 0 2 4
#
 B25010 Clutter treatment
 Code table
 0 2
#
 B25011 Ground occultation correction (screening)
 Code table
 0 1
#
 B25012 Range attenuation correction
 Code table
 0 1
#
 B25013 Bright-band correction
 Flag table
 0 1 2
#
 B25014 Azimuth clutter cut-off (see note 1)
 Numeric
 0 4
#
 B25015 Radome attenuation correction
 Flag table
 0 1 2
#
 B25016 Clear-air attenuation correction
 dB m-1
 5 2
#
 B25017 Precipitation attenuation correction
 Flag table
 0 1 2
#
 B25018 A to Z law for attenuation factor
 Numeric
 7 2
#
 B25019 A to Z law for attenuation exponent
 Numeric
 2 3
#
 B25020 Mean speed estimation
 Code table
 0 1
#
 B25021 Wind computation enhancement
 Flag table
 0 3 8
#
 B25030 Running mean sea-surface temperature usage
 Code table
 0 1
#
 B25032 Wind profiler mode information (see note 2)
 Code table
 0 1
#
 B25033 Wind profiler submode information (see note 2)
 Code Table
 0 1
#
 B25034 Wind profiler quality control test results (see note 2)
 Flag table
 0 2 4
#
 B25036 Atmospherics location method
 Code table
 0 2
#
 B25040 CO2 wind product derivation
 Code table
 0 2
#
 B25041 Moving platform direction reporting method
 Code table
 0 1
#
 B25042 Moving platform speed reporting method
 Code table
 0 1
#
 B25043 Wave sampling interval (time)
 s
 4 5
#
 B25044 Wave sampling interval (space)
 m
 2 5
#
 B25045 HIRS channel combination
 Flag table
 0 7 21
#
 B25046 MSU channel combination
 Flag table
 0 2 5
#
 B25047 SSU channel combination
 Flag table
 0 2 4
#
 B25048 AMSU-A channel combination
 Flag table
 0 6 16
#
 B25049 AMSU-B channel combination
 Flag table
 0 2 6
#
 B25051 AVHRR channel combination
 Flag table
 0 3 7
#
 B25053 Observation quality
 Flag table
 0 4 12
#
 B25060 Software identification
 Numeric
 0 5
#
 B25070 Major frame count
 Numeric
 0 2
#
 B25071 Frame count
 Numeric
 0 2
#
 B25075 Satellite antenna corrections version number
 Numeric
 0 2
#
 B25076 Log_10 of temperature-radiance central wavenumber for ATOVS
 log m-1
 8 10
#
 B25077 Bandwidth correction coefficient 1 for ATOVS
 Numeric
 5 7
#
 B25078 Bandwidth correction coefficient 2 for ATOVS
 Numeric
 5 6
#
 B25079 Albedo-radiance solar filtered irradiance for ATOVS
 W m-2
 4 8
#
 B25080 Albedo-radiance equivalent filter width for ATOVS
 m
 10 5
#
 B25085 Fraction of clear pixels in HIRS FOV
 Numeric
 0 3
#
 B25086 Depth correction indicator
 Code table
 0 1
#
 B25091 Structure constant of the refraction index (cn 2 )
 dB
 3 5
#
 B25092 Acoustic propagation velocity
 m s-1
 2 5
#
 B25093 RASS computation correction
 Flag table
 0 3 8
#

Class 26

#
 B26001 Principal time of daily reading in UTC of maximum temperature
 Hour
 1 3
#
 B26002 Principal time of daily reading in UTC of minimum temperature
 Hour
 1 3
#
 B26003 Time difference
 Minute
 0 4
#
 B26010 Hours included
 Flag table
 0 9 26
#

Class 27

#
 B27001 Latitude (high accuracy)
 Degree
 5 7
#
 B27002 Latitude (coarse accuracy)
 Degree
 2 4
#
 B27003 Alternate latitude
 Degree
 2 4
#
 B27020 Satellite location counter
 Numeric
 0 5
#
 B27021 Satellite sub-location dimension
 Numeric
 0 5
#
 B27031 In direction of 0 degrees longitude, distance from the Earth's centre
 m
 2 10
#

Class 28

#
 B28001 Longitude (high accuracy)
 Degree
 5 8
#
 B28002 Longitude (coarse accuracy)
 Degree
 2 5
#
 B28003 Alternate longitude
 Degree
 2 5
#
 B28031 In direction 90 degrees East, distance from the Earth's centre
 m
 2 10
#

Class 29

#
 B29001 Projection type
 Code table
 0 1
#
 B29002 Coordinate grid type
 Code table
 0 1
#

Class 30

#
 B30001 Pixel value(4 bits)
 Numeric
 0 2
#
 B30002 Pixel value (8 bits)
 Numeric
 0 3
#
 B30004 Pixel value (l6 bits)
 Numeric
 0 5
#
 B30021 Number of pixels per row
 Numeric
 0 4
#
 B30022 Number of pixels per column
 Numeric
 0 4
#
 B30031 Picture type
 Code table
 0 2
#
 B30032 Combination with other data
 Flag table
 0 6 16
#

Class 33

#
 B33002 Quality information
 Code table
 0 1
#
 B33003 Quality information
 Code table
 0 1
#
 B33007 % Percent confidence
 %
 0 3
#
 B33020 Quality control indication of following value
 Code table
 0 1
#
 B33021 Quality of following value
 Code table
 0 1
#
 B33022 Quality of buoy satellite transmission
 Code table
 0 1
#
 B33023 Quality of buoy location
 Code table
 0 1
#
 B33024 Station elevation quality mark (for mobile stations)
 Code table
 0 2
#
 B33025 ACARS interpolated values
 Code table
 0 1
#
 B33026 Moisture quality
 Code table
 0 2
#
 B33027 Location quality class (range of radius of 66% confidence)
 Code table
 0 1
#
 B33030 Scan line status flags for ATOVS
 Flag table
 0 8 24
#
 B33031 Scan line quality flags for ATOVS
 Flag table
 0 8 24
#
 B33032 Channel quality flags for ATOVS
 Flag table
 0 8 24
#
 B33033 Field of view quality flags for ATOVS
 Flag table
 0 8 24
#
 B33035 Manual/atomatic quality control
 Code table
 0 2
#
 B33036 Nominal confidence threshold
 %
 0 3
#
 B33037 Wind correlation error
 Flag table
 0 7 20
#
 B33040 Confidence interval
 Percent
 0 3
#
 B33041 Attribute of following value
 Code table
 0 1
#

Class 35

#
 B35000 FM and Regional Code number
 Code table
 0 3
#
 B35001 Time frame for monitoring
 Code table
 0 1
#
 B35011 Number of reports actually received
 Numeric
 0 4
#
 B35021 Bulletin being monitored (TTAAii)
 Character
 0 6
#
 B35022 Bulletin being monitored (YYGGgg)
 Character
 0 6
#
 B35030 Discrepancies in the availability of expected data
 Code table
 0 1
#
 B35031 Qualifier on monitoring results
 Code table
 0 2
#
 B35032 Cause of missing data
 Code table
 0 1
#
 B35033 Observation and collection deficiencies
 Code table
 0 2
#
 B35034 Statistical trends for availability of data (during the survey period(s))
 Code table
 0 1
#

This CREX Table B, with 775 descriptor elements, was originally constructed 2000-10-31 in Northern LightHouse Ltd using script wmo2crexB.pl