Water depth Water depth 14 Water depth Total snowfall rate Total snowfall rate Total snowfall rate 57 2 Thunderstorm probability Thunderstorm probability Thunderstorm probability 51 Concentration in air Concentration in air Concentration in air Soil ice 21 Soil ice Soil ice Turbulence base Turbulence base Turbulence base 9 Attenuation coefficient of water with respect to solar radiation 13 Attenuation coefficient of water with respect to solar radiation Attenuation coefficient of water with respect to solar radiation Upward short-wave radiation flux Upward short-wave radiation flux 8 Upward short-wave radiation flux Convective precipitation rate Convective precipitation rate Convective precipitation rate 37 Asymmetry factor Asymmetry factor 104 Asymmetry factor Missing Missing 255 Missing 7 Downward short-wave radiation flux Downward short-wave radiation flux Downward short-wave radiation flux Evapotranspiration Evapotranspiration 6 Evapotranspiration Pressure altitude 13 Pressure altitude Pressure altitude Ocean vertical salt diffusivity 5 Ocean vertical salt diffusivity Ocean vertical salt diffusivity 2 Pressure tendency Pressure tendency Pressure tendency Icing base 6 Icing base Icing base Surface flux 55 Surface flux Surface flux Specific cloud ice water content Specific cloud ice water content 84 Specific cloud ice water content 109 Aerosol lidar extinction from satellite Aerosol lidar extinction from satellite Aerosol lidar extinction from satellite u-component of current u-component of current u-component of current 2 Volumetric wilting point Volumetric wilting point Volumetric wilting point 27 108 Aerosol lidar backscatter from the ground Aerosol lidar backscatter from the ground Aerosol lidar backscatter from the ground Meridional flux of gravity wave stress Meridional flux of gravity wave stress Meridional flux of gravity wave stress 17 Current speed Current speed Current speed 1 255 Missing Missing Missing 12 Heat index Heat index Heat index Volumetric soil moisture content Volumetric soil moisture content 9 Volumetric soil moisture content Normalized wave stress 19 Normalized wave stress Normalized wave stress Missing Missing Missing 255 Total kinematic moisture flux 90 Total kinematic moisture flux Total kinematic moisture flux Geometric height Geometric height Geometric height 6 Fraction of cloud cover 32 Fraction of cloud cover Fraction of cloud cover 4 Fosberg index Fosberg index Fosberg index Total snow precipitation Total snow precipitation 50 Total snow precipitation 1 Ice thickness Ice thickness Ice thickness 0 Conditional per cent precipitation amount fractile for an overall period (Encoded as an accumulation) Conditional per cent precipitation amount fractile for an overall period (Encoded as an accumulation) Conditional per cent precipitation amount fractile for an overall period (Encoded as an accumulation) Virtual temperature 1 Virtual temperature Virtual temperature 17 Clear-sky radiance (with respect to wave number) Clear-sky radiance (with respect to wave number) Clear-sky radiance (with respect to wave number) Cloud top 12 Cloud top Cloud top Richardson number Richardson number Richardson number 12 Ice cover 0 Ice cover Ice cover Surface water runoff Surface water runoff 34 Surface water runoff 11 Best (4-layer) lifted index Best (4-layer) lifted index Best (4-layer) lifted index Turbulent transfer coefficient for heat Turbulent transfer coefficient for heat 19 Turbulent transfer coefficient for heat Humidity mixing ratio Humidity mixing ratio 2 Humidity mixing ratio 1 Albedo Albedo Albedo Convective outlook Convective outlook Convective outlook 26 Dewpoint depression (or deficit) Dewpoint depression (or deficit) 7 Dewpoint depression (or deficit) Time-integrated air concentration of caesium pollutant Time-integrated air concentration of caesium pollutant 6 Time-integrated air concentration of caesium pollutant Elevation of snow-covered terrain 3 Elevation of snow-covered terrain Elevation of snow-covered terrain Total column-integrated cloud water 18 Total column-integrated cloud water Total column-integrated cloud water 64 Total column integrated water vapour Total column integrated water vapour Total column integrated water vapour 12 Shape factor with respect to temperature profile in thermocline Shape factor with respect to temperature profile in thermocline Shape factor with respect to temperature profile in thermocline Wet deposition by convective precipitation mass flux Wet deposition by convective precipitation mass flux 10 Wet deposition by convective precipitation mass flux 5 Minimum temperature Minimum temperature Minimum temperature Rime factor 44 Rime factor Rime factor 255 Missing Missing Missing 16 Convective cloud efficiency Convective cloud efficiency Convective cloud efficiency 45 Spectral peakedness factor Spectral peakedness factor Spectral peakedness factor 255 Missing Missing Missing Sediment thickness Sediment thickness 3 Sediment thickness 2 Upper layer soil moisture Upper layer soil moisture Upper layer soil moisture Icing top Icing top 5 Icing top 7 Precipitation rate Precipitation rate Precipitation rate 12 Downward UV radiation Downward UV radiation Downward UV radiation Categorical rain Categorical rain 33 Categorical rain 5 Velocity potential Velocity potential Velocity potential Water temperature Water temperature 1 Water temperature Tangential wind component 35 Tangential wind component Tangential wind component Exner pressure Exner pressure Exner pressure 26 2014-09-03T09:53:24.526Z Convective water precipitation 48 Convective water precipitation Convective water precipitation 82 Cloud ice mixing-ratio Cloud ice mixing-ratio Cloud ice mixing-ratio Wilting point 26 Wilting point Wilting point Aerosol lidar backscatter from satellite 107 Aerosol lidar backscatter from satellite Aerosol lidar backscatter from satellite 0 Current direction Current direction Current direction Temperature anomaly Temperature anomaly 9 Temperature anomaly 7 Transpiration stress-onset (soil moisture) Transpiration stress-onset (soil moisture) Transpiration stress-onset (soil moisture) Volumetric soil moisture 25 Volumetric soil moisture Volumetric soil moisture 24 Anisotropy of sub-gridscale orography Anisotropy of sub-gridscale orography Anisotropy of sub-gridscale orography Missing 255 Missing Missing Scaled brightness temperature 2 Scaled brightness temperature Scaled brightness temperature Mean zero-crossing period of wind waves Mean zero-crossing period of wind waves Mean zero-crossing period of wind waves 29 80 Total condensate Total condensate Total condensate Shape factor with respect to temperature profile in thermocline Shape factor with respect to temperature profile in thermocline 10 Shape factor with respect to temperature profile in thermocline Aerosol extinction coefficient 105 Aerosol extinction coefficient Aerosol extinction coefficient 6 Number of soil layers in root zone Number of soil layers in root zone Number of soil layers in root zone Maximum relative humidity Maximum relative humidity 27 Maximum relative humidity Column-integrated mass density 1 Column-integrated mass density Column-integrated mass density Cloud top height quality indicator 3 Cloud top height quality indicator Cloud top height quality indicator 0 Main thermocline depth Main thermocline depth Main thermocline depth 23 Column-integrated soil water Column-integrated soil water Column-integrated soil water Vertical velocity (geometric) 9 Vertical velocity (geometric) Vertical velocity (geometric) Reflectivity 4 Reflectivity Reflectivity 15 Clear-sky brightness temperature Clear-sky brightness temperature Clear-sky brightness temperature Wind mixing energy 19 Wind mixing energy Wind mixing energy Snow temperature (top of snow) Snow temperature (top of snow) Snow temperature (top of snow) 18 Evergreen forest cover Evergreen forest cover Evergreen forest cover 29 Weather 25 Weather Weather Thunderstorm coverage Thunderstorm coverage 10 Thunderstorm coverage Surface lifted index Surface lifted index Surface lifted index 10 Sigma coordinate vertical velocity Sigma coordinate vertical velocity 7 Sigma coordinate vertical velocity Seconds prior to initial reference time (defined in Section 1) Seconds prior to initial reference time (defined in Section 1) 0 Seconds prior to initial reference time (defined in Section 1) Ground deposition of iodine 131 Ground deposition of iodine 131 4 Ground deposition of iodine 131 Atmospheric divergence Atmospheric divergence Atmospheric divergence 13 Flash flood runoff (Encoded as an accumulation over a floating subinterval of time) 1 Flash flood runoff (Encoded as an accumulation over a floating subinterval of time) Flash flood runoff (Encoded as an accumulation over a floating subinterval of time) Atmosphere net production and emission mass flux 5 Atmosphere net production and emission mass flux Atmosphere net production and emission mass flux Relative azimuth angle Relative azimuth angle 8 Relative azimuth angle Solar zenith angle Solar zenith angle 7 Solar zenith angle Virtual potential temperature Virtual potential temperature Virtual potential temperature 15 44 Benjamin-Feir index Benjamin-Feir index Benjamin-Feir index Air concentration of radioactive pollutant Air concentration of radioactive pollutant Air concentration of radioactive pollutant 2 Clear air turbulence (CAT) Clear air turbulence (CAT) 22 Clear air turbulence (CAT) Chemical gross destruction rate of concentration 54 Chemical gross destruction rate of concentration Chemical gross destruction rate of concentration Pseudo-adiabatic potential temperature or equivalent potential temperature Pseudo-adiabatic potential temperature or equivalent potential temperature Pseudo-adiabatic potential temperature or equivalent potential temperature 3 Missing 255 Missing Missing 42 Snow cover Snow cover Snow cover 8 Cloud type Cloud type Cloud type 14 Non-convective cloud cover Non-convective cloud cover Non-convective cloud cover Ice internal pressure Ice internal pressure 9 Ice internal pressure Time-integrated air concentration of radioactive pollutant Time-integrated air concentration of radioactive pollutant 8 Time-integrated air concentration of radioactive pollutant Normal wind component Normal wind component 34 Normal wind component Potential evaporation Potential evaporation Potential evaporation 40 2 Long-wave radiation flux Long-wave radiation flux Long-wave radiation flux 10-metre wind direction over waves 10-metre wind direction over waves 41 10-metre wind direction over waves 8 Ice temperature Ice temperature Ice temperature 16 Minimal stomatal resistance Minimal stomatal resistance Minimal stomatal resistance Large scale rain rate 77 Large scale rain rate Large scale rain rate Short-wave radiation flux Short-wave radiation flux Short-wave radiation flux 2 Total yearly averaged atmospheric loss 58 Total yearly averaged atmospheric loss Total yearly averaged atmospheric loss 9 Wet deposition by large-scale precipitation mass flux Wet deposition by large-scale precipitation mass flux Wet deposition by large-scale precipitation mass flux Layer-maximum base reflectivity Layer-maximum base reflectivity Layer-maximum base reflectivity 4 Lapse rate 8 Lapse rate Lapse rate Total column integrated snow 46 Total column integrated snow Total column integrated snow u-component surface Stokes drift u-component surface Stokes drift u-component surface Stokes drift 21 Significant height of wind waves 5 Significant height of wind waves Significant height of wind waves Convective available potential energy Convective available potential energy Convective available potential energy 6 Turbulent diffusion coefficient for momentum Turbulent diffusion coefficient for momentum Turbulent diffusion coefficient for momentum 31 Net short-wave radiation flux (surface) Net short-wave radiation flux (surface) 0 Net short-wave radiation flux (surface) Liquid volumetric soil moisture (non-frozen) Liquid volumetric soil moisture (non-frozen) Liquid volumetric soil moisture (non-frozen) 5 Slope of sub-gridscale orography Slope of sub-gridscale orography 22 Slope of sub-gridscale orography Scaled radiance Scaled radiance 0 Scaled radiance Horizontal moisture convergence 26 Horizontal moisture convergence Horizontal moisture convergence 38 Eastward turbulent surface stress Eastward turbulent surface stress Eastward turbulent surface stress Inverse mean frequency of total swell Inverse mean frequency of total swell Inverse mean frequency of total swell 27 Soil moisture 22 Soil moisture Soil moisture 11 Absolute divergence Absolute divergence Absolute divergence Lower layer soil moisture Lower layer soil moisture 3 Lower layer soil moisture Soil moisture parameter in canopy conductance 21 Soil moisture parameter in canopy conductance Soil moisture parameter in canopy conductance Equivalent radar reflectivity factor for parameterized convection Equivalent radar reflectivity factor for parameterized convection 2 Equivalent radar reflectivity factor for parameterized convection Inverse mean wave frequency Inverse mean wave frequency 25 Inverse mean wave frequency Aerosol optical thickness at 1.640 μm Aerosol optical thickness at 1.640 μm 22 Aerosol optical thickness at 1.640 μm Vegetation Vegetation 4 Vegetation 6 Montgomery stream function Montgomery stream function Montgomery stream function 9 Mean period of swell waves Mean period of swell waves Mean period of swell waves 17 Momentum flux, u-component Momentum flux, u-component Momentum flux, u-component Ice water mixing ratio Ice water mixing ratio Ice water mixing ratio 23 Missing 255 Missing Missing 255 Missing Missing Missing 4 Scaled lifted index Scaled lifted index Scaled lifted index Deviation of sea level from mean Deviation of sea level from mean Deviation of sea level from mean 1 0 Equivalent radar reflectivity factor for rain Equivalent radar reflectivity factor for rain Equivalent radar reflectivity factor for rain v-component of wind v-component of wind v-component of wind 3 Reflectance in 1.6 micron channel Reflectance in 1.6 micron channel Reflectance in 1.6 micron channel 11 Soil temperature Soil temperature Soil temperature 2 Vertical u-component shear Vertical u-component shear Vertical u-component shear 15 Minimum dewpoint depression Minimum dewpoint depression Minimum dewpoint depression 14 In-cloud turbulence In-cloud turbulence In-cloud turbulence 21 Number of pixel used Number of pixel used Number of pixel used 6 255 Missing Missing Missing Air concentration of caesium 137 0 Air concentration of caesium 137 Air concentration of caesium 137 Days since last observation 3 Days since last observation Days since last observation 2 Probability of 0.01 inch of precipitation (POP) Probability of 0.01 inch of precipitation (POP) Probability of 0.01 inch of precipitation (POP) Estimated u component of wind Estimated u component of wind 4 Estimated u component of wind Missing Missing 255 Missing Fire detection indicator Fire detection indicator Fire detection indicator 9 2 Geographical longitude Geographical longitude Geographical longitude 40 10-metre neutral wind speed over waves 10-metre neutral wind speed over waves 10-metre neutral wind speed over waves 50 Amount in atmosphere Amount in atmosphere Amount in atmosphere Column-integrated soil moisture 20 Column-integrated soil moisture Column-integrated soil moisture Missing Missing 255 Missing Pixel scene type 8 Pixel scene type Pixel scene type Medium cloud cover 4 Medium cloud cover Medium cloud cover 8 Atmosphere re-emission mass flux Atmosphere re-emission mass flux Atmosphere re-emission mass flux Missing Missing 255 Missing 15 Contrail top Contrail top Contrail top Blackadar’s mixing length scale Blackadar’s mixing length scale 14 Blackadar’s mixing length scale Frictional velocity Frictional velocity 30 Frictional velocity Scaled skin temperature Scaled skin temperature 6 Scaled skin temperature Surface dry deposition mass flux 6 Surface dry deposition mass flux Surface dry deposition mass flux Missing 255 Missing Missing 16 Snow melt Snow melt Snow melt Hail precipitation rate Hail precipitation rate 73 Hail precipitation rate Exchange coefficient Exchange coefficient Exchange coefficient 12 Base spectrum width 0 Base spectrum width Base spectrum width Peak wave period 34 Peak wave period Peak wave period Surface short-wave effective total cloudiness Surface short-wave effective total cloudiness Surface short-wave effective total cloudiness 35 Wave spectra (2) 1 Wave spectra (2) Wave spectra (2) Total precipitation Total precipitation Total precipitation 8 Snow albedo 19 Snow albedo Snow albedo 31 Normalized differential vegetation index (NDVI) Normalized differential vegetation index (NDVI) Normalized differential vegetation index (NDVI) 18 Solar parameter in canopy conductance Solar parameter in canopy conductance Solar parameter in canopy conductance 22 Cloud mixing ratio Cloud mixing ratio Cloud mixing ratio Apparent temperature Apparent temperature 21 Apparent temperature Transpiration stress-onset (soil moisture) 12 Transpiration stress-onset (soil moisture) Transpiration stress-onset (soil moisture) Period of maximum individual wave height 23 Period of maximum individual wave height Period of maximum individual wave height 3 Downward long-wave radiation flux Downward long-wave radiation flux Downward long-wave radiation flux Air concentration Air concentration Air concentration 10 Saturation deficit Saturation deficit Saturation deficit 5 v-component of wind (gust) v-component of wind (gust) 24 v-component of wind (gust) Reflectivity of snow 11 Reflectivity of snow Reflectivity of snow Water temperature 15 Water temperature Water temperature Freezing rain precipitation rate Freezing rain precipitation rate Freezing rain precipitation rate 67 Altimeter corrected wave height Altimeter corrected wave height Altimeter corrected wave height 38 Transfer from hydrophobic to hydrophilic 13 Transfer from hydrophobic to hydrophilic Transfer from hydrophobic to hydrophilic Wind speed 1 Wind speed Wind speed Land cover (0 = sea, 1 = land) 0 Land cover (0 = sea, 1 = land) Land cover (0 = sea, 1 = land) Relative divergence Relative divergence 13 Relative divergence Total snowfall Total snowfall Total snowfall 29 Wave stress Wave stress Wave stress 18 Total column-integrated cloud ice 19 Total column-integrated cloud ice Total column-integrated cloud ice Bathymetry 7 Bathymetry Bathymetry Volumetric saturation of soil moisture Volumetric saturation of soil moisture 16 Volumetric saturation of soil moisture 28 v-component storm motion v-component storm motion v-component storm motion Turbulence top 8 Turbulence top Turbulence top 17 Friction velocity Friction velocity Friction velocity Ocean vertical momentum diffusivity Ocean vertical momentum diffusivity 6 Ocean vertical momentum diffusivity 5 Composite reflectivity Composite reflectivity Composite reflectivity Net long-wave radiation flux, clear sky Net long-wave radiation flux, clear sky 6 Net long-wave radiation flux, clear sky 103 Single scattering albedo Single scattering albedo Single scattering albedo Missing Missing 255 Missing Fire outlook due to dry thunderstorm Fire outlook due to dry thunderstorm Fire outlook due to dry thunderstorm 1 Ocean vertical heat diffusivity Ocean vertical heat diffusivity Ocean vertical heat diffusivity 4 Pressure reduced to MSL Pressure reduced to MSL Pressure reduced to MSL 1 Scaled cloud top pressure 5 Scaled cloud top pressure Scaled cloud top pressure Parameter number Radar spectra (2) Radar spectra (2) 7 Radar spectra (2) Specific cloud liquid water content 83 Specific cloud liquid water content Specific cloud liquid water content 34 Surface long-wave effective total cloudiness Surface long-wave effective total cloudiness Surface long-wave effective total cloudiness Turbulent kinetic energy 11 Turbulent kinetic energy Turbulent kinetic energy Missing 255 Missing Missing Ground heat flux 10 Ground heat flux Ground heat flux 30 Deciduous forest cover Deciduous forest cover Deciduous forest cover Snowfall rate water equivalent Snowfall rate water equivalent 12 Snowfall rate water equivalent 11 Sensible heat net flux Sensible heat net flux Sensible heat net flux Specific snow water content 86 Specific snow water content Specific snow water content Vapour pressure Vapour pressure 4 Vapour pressure 30 Mean zero-crossing period of total swell Mean zero-crossing period of total swell Mean zero-crossing period of total swell Ice cover Ice cover Ice cover 7 Showalter index 13 Showalter index Showalter index 31 Number density of cloud ice particles Number density of cloud ice particles Number density of cloud ice particles Fire burned area Fire burned area 3 Fire burned area Snow precipitation rate Snow precipitation rate 66 Snow precipitation rate Dry deposition mass flux Dry deposition mass flux 12 Dry deposition mass flux Temperature Temperature Temperature 0 Primary wave direction 10 Primary wave direction Primary wave direction Cloud base 11 Cloud base Cloud base Precipitation type Precipitation type Precipitation type 19 1 Relative humidity Relative humidity Relative humidity Boundary layer dissipation Boundary layer dissipation Boundary layer dissipation 20 Visibility Visibility Visibility 0 Water runoff and drainage Water runoff and drainage 33 Water runoff and drainage Dewpoint temperature Dewpoint temperature 6 Dewpoint temperature 5 Ground deposition of radioactive pollutant Ground deposition of radioactive pollutant Ground deposition of radioactive pollutant Total deposition (wet + dry) Total deposition (wet + dry) Total deposition (wet + dry) 13 19 Wind speed Wind speed Wind speed Coefficient of drag with waves 16 Coefficient of drag with waves Coefficient of drag with waves Total condensate Total condensate 17 Total condensate Shape factor with respect to salinity profile Shape factor with respect to salinity profile 11 Shape factor with respect to salinity profile 5 Net long-wave radiation flux Net long-wave radiation flux Net long-wave radiation flux Aerosol optical thickness Aerosol optical thickness Aerosol optical thickness 102 Maximum temperature 4 Maximum temperature Maximum temperature 9 Soil porosity Soil porosity Soil porosity 43 Rain fraction of total cloud water Rain fraction of total cloud water Rain fraction of total cloud water Direction of combined wind waves and swell 14 Direction of combined wind waves and swell Direction of combined wind waves and swell Cloud work function Cloud work function 15 Cloud work function Salinity Salinity 3 Salinity Upper layer soil temperature Upper layer soil temperature Upper layer soil temperature 1 Volcanic ash 4 Volcanic ash Volcanic ash Secondary wave mean period Secondary wave mean period 13 Secondary wave mean period 11 Net short-wave radiation flux, clear sky Net short-wave radiation flux, clear sky Net short-wave radiation flux, clear sky Transient thermocline depth 2 Transient thermocline depth Transient thermocline depth 49 Total water precipitation Total water precipitation Total water precipitation Stream function 4 Stream function Stream function Sunshine 24 Sunshine Sunshine Natural logarithm of pressure in Pa Natural logarithm of pressure in Pa Natural logarithm of pressure in Pa 25 Humidity parameter in canopy conductance Humidity parameter in canopy conductance 20 Humidity parameter in canopy conductance 47 Large scale water precipitation (non-convective) Large scale water precipitation (non-convective) Large scale water precipitation (non-convective) Total column-integrated condensate Total column-integrated condensate Total column-integrated condensate 81 Total column integrated ozone Total column integrated ozone Total column integrated ozone 2 Aerosol absorption coefficient 106 Aerosol absorption coefficient Aerosol absorption coefficient Meridional overturning stream function 1 Meridional overturning stream function Meridional overturning stream function 0 Parcel lifted index (to 500 hPa) Parcel lifted index (to 500 hPa) Parcel lifted index (to 500 hPa) Latent heat net flux Latent heat net flux Latent heat net flux 10 1 0 Lightning strike density Lightning strike density Lightning strike density Gravity wave dissipation 23 Gravity wave dissipation Gravity wave dissipation 1 Scaled albedo Scaled albedo Scaled albedo Vertically integrated liquid water (VIL) 3 Vertically integrated liquid water (VIL) Vertically integrated liquid water (VIL) Number density of cloud droplets 30 Number density of cloud droplets Number density of cloud droplets Cloud top height Cloud top height 2 Cloud top height Haines Index Haines Index Haines Index 2 Arbitrary text string Arbitrary text string 0 Arbitrary text string Mass density (concentration) 0 Mass density (concentration) Mass density (concentration) Large scale snowfall rate water equivalent Large scale snowfall rate water equivalent Large scale snowfall rate water equivalent 56 Ice divergence Ice divergence Ice divergence 7 Number of cloud droplets per unit mass of air Number of cloud droplets per unit mass of air 28 Number of cloud droplets per unit mass of air Echo top Echo top Echo top 3 Absolute humidity 18 Absolute humidity Absolute humidity v-component of current 3 v-component of current v-component of current Skin temperature Skin temperature Skin temperature 17 0 Specific humidity Specific humidity Specific humidity Parameter number by product discipline and parameter category Convective turbulent kinetic energy 24 Convective turbulent kinetic energy Convective turbulent kinetic energy Sweat index Sweat index Sweat index 5 Radiance (with respect to wave length) 6 Radiance (with respect to wave length) Radiance (with respect to wave length) Snow age Snow age Snow age 17 Snow evaporation 62 Snow evaporation Snow evaporation Ground deposition of caesium 137 Ground deposition of caesium 137 3 Ground deposition of caesium 137 Total totals index Total totals index 4 Total totals index Atmosphere net production mass flux 4 Atmosphere net production mass flux Atmosphere net production mass flux Zonal vector component of vertically integrated ice internal pressure 10 Zonal vector component of vertically integrated ice internal pressure Zonal vector component of vertically integrated ice internal pressure Kurtosis of the sea-surface elevation due to waves Kurtosis of the sea-surface elevation due to waves Kurtosis of the sea-surface elevation due to waves 43 Potential temperature 2 Potential temperature Potential temperature 53 Chemical gross production rate of concentration Chemical gross production rate of concentration Chemical gross production rate of concentration Air concentration of iodine 131 1 Air concentration of iodine 131 Air concentration of iodine 131 Soil type Soil type Soil type 0 Secondary wave direction Secondary wave direction 12 Secondary wave direction 41 Potential evaporation rate Potential evaporation rate Potential evaporation rate Cloud amount 7 Cloud amount Cloud amount Ceiling Ceiling Ceiling 13 10 Photosynthetically active radiation Photosynthetically active radiation Photosynthetically active radiation 39 Per cent frozen precipitation Per cent frozen precipitation Per cent frozen precipitation Zonal flux of gravity wave stress 16 Zonal flux of gravity wave stress Zonal flux of gravity wave stress Time-integrated air concentration of iodine pollutant Time-integrated air concentration of iodine pollutant 7 Time-integrated air concentration of iodine pollutant 255 Missing Missing Missing 33 Wind fetch Wind fetch Wind fetch 8 Land use Land use Land use Net long-wave radiation flux (top of atmosphere) Net long-wave radiation flux (top of atmosphere) 1 Net long-wave radiation flux (top of atmosphere) 5-wave geopotential height 5-wave geopotential height 5-wave geopotential height 15 Storm surface runoff Storm surface runoff Storm surface runoff 6 Geopotential 4 Geopotential Geopotential Canopy conductance Canopy conductance 15 Canopy conductance Total yearly average burden of the atmosphere 57 Total yearly average burden of the atmosphere Total yearly average burden of the atmosphere 45 Total column integrated rain Total column integrated rain Total column integrated rain Seconds prior to initial reference time (defined in Section 1) 0 Seconds prior to initial reference time (defined in Section 1) Seconds prior to initial reference time (defined in Section 1) 255 Missing Missing Missing Direction of wind waves 4 Direction of wind waves Direction of wind waves Missing Missing Missing 255 Bottom layer soil temperature Bottom layer soil temperature 4 Bottom layer soil temperature 20 Total column-integrated condensate Total column-integrated condensate Total column-integrated condensate Angle of sub-gridscale orography Angle of sub-gridscale orography Angle of sub-gridscale orography 21 Snow mixing ratio Snow mixing ratio Snow mixing ratio 25 Northward turbulent surface stress Northward turbulent surface stress 37 Northward turbulent surface stress 1 Instantaneous rain rate Instantaneous rain rate Instantaneous rain rate 5-wave geopotential height anomaly 19 5-wave geopotential height anomaly 5-wave geopotential height anomaly Geopotential height anomaly Geopotential height anomaly Geopotential height anomaly 9 19 Temperature parameter in canopy Temperature parameter in canopy Temperature parameter in canopy Reflectivity of hail Reflectivity of hail Reflectivity of hail 14 Total cloud cover Total cloud cover 1 Total cloud cover Equivalent radar reflectivity factor for snow Equivalent radar reflectivity factor for snow 1 Equivalent radar reflectivity factor for snow v-component (meridional) kinematic moisture flux v-component (meridional) kinematic moisture flux 92 v-component (meridional) kinematic moisture flux Pressure anomaly Pressure anomaly 8 Pressure anomaly Reflectivity of cloud droplets 9 Reflectivity of cloud droplets Reflectivity of cloud droplets 21 Aerosol optical thickness at 0.810 μm Aerosol optical thickness at 0.810 μm Aerosol optical thickness at 0.810 μm Significant height of swell waves Significant height of swell waves 8 Significant height of swell waves Total precipitation rate Total precipitation rate 52 Total precipitation rate Speed of ice drift Speed of ice drift 3 Speed of ice drift Scaled precipitable water Scaled precipitable water 3 Scaled precipitable water KO index 3 KO index KO index 72 Total column integrated hail Total column integrated hail Total column integrated hail Atmosphere emission mass flux Atmosphere emission mass flux Atmosphere emission mass flux 3 u-component of wind u-component of wind 2 u-component of wind Soil moisture Soil moisture Soil moisture 19 Graupel (snow pellets) 32 Graupel (snow pellets) Graupel (snow pellets) 13 Wind chill factor Wind chill factor Wind chill factor 71 Hail mixing ratio Hail mixing ratio Hail mixing ratio Estimated v component of wind Estimated v component of wind 5 Estimated v component of wind Mixed layer depth 3 Mixed layer depth Mixed layer depth Icing Icing Icing 20 Volume mixing ratio (fraction in air) Volume mixing ratio (fraction in air) 52 Volume mixing ratio (fraction in air) Column-integrated soil ice 22 Column-integrated soil ice Column-integrated soil ice Aerosol lidar extinction from the ground 110 Aerosol lidar extinction from the ground Aerosol lidar extinction from the ground Best lifted index (to 500 hPa) 1 Best lifted index (to 500 hPa) Best lifted index (to 500 hPa) Hail Hail Hail 31 Cloud water Cloud water Cloud water 6 38 Horizontal moisture divergence Horizontal moisture divergence Horizontal moisture divergence Missing Missing 255 Missing High cloud cover High cloud cover High cloud cover 5 Net long-wave radiation flux (surface) Net long-wave radiation flux (surface) 0 Net long-wave radiation flux (surface) 14 Density altitude Density altitude Density altitude 36 Categorical snow Categorical snow Categorical snow Low cloud cover 3 Low cloud cover Low cloud cover Icing 7 Icing Icing 56 Changes of amount in atmosphere Changes of amount in atmosphere Changes of amount in atmosphere 7 Surface wet deposition mass flux Surface wet deposition mass flux Surface wet deposition mass flux 14 Contrail engine type Contrail engine type Contrail engine type 35 Categorical ice pellets Categorical ice pellets Categorical ice pellets Plant canopy surface water Plant canopy surface water Plant canopy surface water 13 Thickness 12 Thickness Thickness Significant height of combined wind waves and swell 3 Significant height of combined wind waves and swell Significant height of combined wind waves and swell Altimeter setting Altimeter setting 11 Altimeter setting UV index UV index UV index 51 Large-scale snow 15 Large-scale snow Large-scale snow Wave spectra (3) Wave spectra (3) 2 Wave spectra (3) 28 Leaf area index Leaf area index Leaf area index Moisture availability Moisture availability Moisture availability 11 Planetary boundary layer height Planetary boundary layer height Planetary boundary layer height 18 33 Directional width of total swell Directional width of total swell Directional width of total swell Reflectivity of graupel 13 Reflectivity of graupel Reflectivity of graupel Wave spectra (1) Wave spectra (1) 0 Wave spectra (1) Snow free albedo Snow free albedo Snow free albedo 18 Standard deviation of height Standard deviation of height Standard deviation of height 7 17 Wilting point Wilting point Wilting point 20 Aerosol optical thickness at 0.635 μm Aerosol optical thickness at 0.635 μm Aerosol optical thickness at 0.635 μm Direction of swell waves 7 Direction of swell waves Direction of swell waves Reflectivity of rain Reflectivity of rain 12 Reflectivity of rain Condensate Condensate 21 Condensate 255 Missing Missing Missing 39 Altimeter range relative correction Altimeter range relative correction Altimeter range relative correction Per cent precipitation in a sub-period of an overall period (Encoded as per cent accumulation over the sub-period) Per cent precipitation in a sub-period of an overall period (Encoded as per cent accumulation over the sub-period) 1 Per cent precipitation in a sub-period of an overall period (Encoded as per cent accumulation over the sub-period) Volumetric transpiration stress-onset (soil moisture) Volumetric transpiration stress-onset (soil moisture) 11 Volumetric transpiration stress-onset (soil moisture) u-component of wind (gust) u-component of wind (gust) u-component of wind (gust) 23 Mean period of wind waves Mean period of wind waves Mean period of wind waves 6 7 Discharge from rivers or streams Discharge from rivers or streams Discharge from rivers or streams Geopotential height 5 Geopotential height Geopotential height Soil temperature 18 Soil temperature Soil temperature 255 Missing Missing Missing Missing 255 Missing Missing Reflectivity of cloud ice 10 Reflectivity of cloud ice Reflectivity of cloud ice 70 Total column integrated cloud ice Total column integrated cloud ice Total column integrated cloud ice Altimeter wave height Altimeter wave height Altimeter wave height 37 Icing scenario 27 Icing scenario Icing scenario Wind direction (from which blowing) Wind direction (from which blowing) 0 Wind direction (from which blowing) 17 Saturation of soil moisture Saturation of soil moisture Saturation of soil moisture 29 Drag coefficient Drag coefficient Drag coefficient Snow water equivalent per cent of normal Snow water equivalent per cent of normal Snow water equivalent per cent of normal 4 Precipitable water category Precipitable water category Precipitable water category 30 Total ozone Total ozone Total ozone 0 Angstrom coefficient 23 Angstrom coefficient Angstrom coefficient 15 Soil porosity Soil porosity Soil porosity u-component storm motion u-component storm motion u-component storm motion 27 Sediment temperature Sediment temperature Sediment temperature 4 Convective cloud cover Convective cloud cover Convective cloud cover 2 Fire outlook Fire outlook 0 Fire outlook 13 Contrail intensity Contrail intensity Contrail intensity Categorical freezing rain Categorical freezing rain 34 Categorical freezing rain 2 Water fraction Water fraction Water fraction Amplitude function for Rossby wave envelope for meridional wind 36 Amplitude function for Rossby wave envelope for meridional wind Amplitude function for Rossby wave envelope for meridional wind 12 Compressive ice strength Compressive ice strength Compressive ice strength Planetary boundary-layer regime Planetary boundary-layer regime Planetary boundary-layer regime 12 Density 10 Density Density UV index (under clear sky) UV index (under clear sky) UV index (under clear sky) 50 Convective snow Convective snow Convective snow 14 79 Evaporation rate Evaporation rate Evaporation rate Meridional vector component of vertically integrated ice internal pressure Meridional vector component of vertically integrated ice internal pressure Meridional vector component of vertically integrated ice internal pressure 11 6 Radar spectra (1) Radar spectra (1) Radar spectra (1) Directional width of wind waves Directional width of wind waves Directional width of wind waves 32 Energy helicity index Energy helicity index 9 Energy helicity index Water equivalent of accumulated snow depth Water equivalent of accumulated snow depth Water equivalent of accumulated snow depth 13 33 Sunshine duration Sunshine duration Sunshine duration Turbulence Turbulence Turbulence 10 Surface area density (aerosol) Surface area density (aerosol) 100 Surface area density (aerosol) Maximum snow albedo 17 Maximum snow albedo Maximum snow albedo Storm relative helicity Storm relative helicity 8 Storm relative helicity Wave directional width 31 Wave directional width Wave directional width 10 Reflectance in 0.8 micron channel Reflectance in 0.8 micron channel Reflectance in 0.8 micron channel Maximum absolute humidity 28 Maximum absolute humidity Maximum absolute humidity 11 Snow depth Snow depth Snow depth Contrail base Contrail base Contrail base 16 Specific rainwater content Specific rainwater content 85 Specific rainwater content 1 Main thermocline anomaly Main thermocline anomaly Main thermocline anomaly 24 Heat flux Heat flux Heat flux Liquid volumetric soil moisture (non-frozen) Liquid volumetric soil moisture (non-frozen) Liquid volumetric soil moisture (non-frozen) 10 Precipitable water 3 Precipitable water Precipitable water 22 Wind speed (gust) Wind speed (gust) Wind speed (gust) Ice temperature 6 Ice temperature Ice temperature 16 Cloudy radiance (with respect to wave number) Cloudy radiance (with respect to wave number) Cloudy radiance (with respect to wave number) 21 Maximum wind speed Maximum wind speed Maximum wind speed Snow depth water equivalent 60 Snow depth water equivalent Snow depth water equivalent 65 Rain precipitation rate Rain precipitation rate Rain precipitation rate Peak period of total swell 36 Peak period of total swell Peak period of total swell Sedimentation mass flux Sedimentation mass flux 11 Sedimentation mass flux Vertical velocity (pressure) Vertical velocity (pressure) Vertical velocity (pressure) 8 Geographical latitude Geographical latitude Geographical latitude 1 35 Peak period of wind waves Peak period of wind waves Peak period of wind waves 14 Cloudy brightness temperature Cloudy brightness temperature Cloudy brightness temperature 255 Missing Missing Missing Remotely-sensed snow cover Remotely-sensed snow cover Remotely-sensed snow cover 2 Pressure Pressure Pressure 0 Direct evaporation cease (soil moisture) 14 Direct evaporation cease (soil moisture) Direct evaporation cease (soil moisture) 12 Dry deposition Dry deposition Dry deposition Horizontal momentum flux 26 Horizontal momentum flux Horizontal momentum flux Snow phase change heat flux 16 Snow phase change heat flux Snow phase change heat flux Mean period of combined wind waves and swell 15 Mean period of combined wind waves and swell Mean period of combined wind waves and swell Supercooled large droplet probability Supercooled large droplet probability Supercooled large droplet probability 23 Volumetric direct evaporation cease (soil moisture) Volumetric direct evaporation cease (soil moisture) Volumetric direct evaporation cease (soil moisture) 13 4 Upward long-wave radiation flux Upward long-wave radiation flux Upward long-wave radiation flux 101 Vertical visual range Vertical visual range Vertical visual range Total column integrated cloud water 69 Total column integrated cloud water Total column integrated cloud water 25 Vertical speed shear Vertical speed shear Vertical speed shear 0 Flash flood guidance (Encoded as an accumulation over a floating subinterval of time between the reference time and valid time) Flash flood guidance (Encoded as an accumulation over a floating subinterval of time between the reference time and valid time) Flash flood guidance (Encoded as an accumulation over a floating subinterval of time between the reference time and valid time) Direct evaporation cease (soil moisture) Direct evaporation cease (soil moisture) Direct evaporation cease (soil moisture) 8 Wave energy spectrum 42 Wave energy spectrum Wave energy spectrum Water depth Water depth 0 Water depth Total column integrated water (all components including precipitation) Total column integrated water (all components including precipitation) Total column integrated water (all components including precipitation) 78 Standard deviation of sub-grid scale orography Standard deviation of sub-grid scale orography Standard deviation of sub-grid scale orography 20 Global radiation flux Global radiation flux 3 Global radiation flux 5 Precipitation Precipitation Precipitation v-component surface Stokes drift 22 v-component surface Stokes drift v-component surface Stokes drift Missing Missing Missing 255 23 Cloud ice mixing ratio Cloud ice mixing ratio Cloud ice mixing ratio Missing Missing Missing 255 Convective inhibition Convective inhibition Convective inhibition 7 20 Integrated liquid water Integrated liquid water Integrated liquid water 76 Convective rain rate Convective rain rate Convective rain rate Eta coordinate vertical velocity 32 Eta coordinate vertical velocity Eta coordinate vertical velocity 1 Ozone mixing ratio Ozone mixing ratio Ozone mixing ratio Net short-wave radiation flux (top of atmosphere) Net short-wave radiation flux (top of atmosphere) Net short-wave radiation flux (top of atmosphere) 1 Convective precipitation Convective precipitation 10 Convective precipitation Mean zero-crossing wave period 28 Mean zero-crossing wave period Mean zero-crossing wave period Number of cloud ice particles per unit mass of air 29 Number of cloud ice particles per unit mass of air Number of cloud ice particles per unit mass of air Graupel (snow pellets) precipitation rate 75 Graupel (snow pellets) precipitation rate Graupel (snow pellets) precipitation rate Reflectance in 0.6 micron channel Reflectance in 0.6 micron channel Reflectance in 0.6 micron channel 9 2 Base radial velocity Base radial velocity Base radial velocity Relative vorticity 12 Relative vorticity Relative vorticity Ice thickness Ice thickness 5 Ice thickness Ice growth rate Ice growth rate 6 Ice growth rate Inverse mean frequency of wind waves Inverse mean frequency of wind waves 26 Inverse mean frequency of wind waves Convective snowfall rate water equivalent 55 Convective snowfall rate water equivalent Convective snowfall rate water equivalent Salinity 12 Salinity Salinity 27 Height of convective cloud top Height of convective cloud top Height of convective cloud top Missing Missing 255 Missing Water runoff Water runoff Water runoff 5 Momentum flux, v-component Momentum flux, v-component 18 Momentum flux, v-component Rain mixing ratio 24 Rain mixing ratio Rain mixing ratio Attenuation coefficient of water with respect to solar radiation Attenuation coefficient of water with respect to solar radiation 11 Attenuation coefficient of water with respect to solar radiation 255 Missing Missing Missing Reflectance in 3.9 micron channel Reflectance in 3.9 micron channel Reflectance in 3.9 micron channel 12 Soil moisture content Soil moisture content 3 Soil moisture content Radiance (with respect to wave number) Radiance (with respect to wave number) Radiance (with respect to wave number) 5 Vertical v-component shear 16 Vertical v-component shear Vertical v-component shear Shape factor with respect to salinity profile 9 Shape factor with respect to salinity profile Shape factor with respect to salinity profile Snow density 61 Snow density Snow density Water temperature Water temperature Water temperature 0 Large scale snowfall rate Large scale snowfall rate 59 Large scale snowfall rate Land cover (0 = water, 1 = land) Land cover (0 = water, 1 = land) 8 Land cover (0 = water, 1 = land) Missing Missing 255 Missing Parameter number 11 Primary wave mean period Primary wave mean period Primary wave mean period Aerosol number concentration 59 Aerosol number concentration Aerosol number concentration Net short wave radiation flux Net short wave radiation flux 9 Net short wave radiation flux Model terrain height Model terrain height Model terrain height 7 Cloud cover Cloud cover Cloud cover 22 9 Thunderstorm maximum tops Thunderstorm maximum tops Thunderstorm maximum tops 5 Baseflow-groundwater runoff Baseflow-groundwater runoff Baseflow-groundwater runoff ICAO Standard Atmosphere Reference Height ICAO Standard Atmosphere Reference Height ICAO Standard Atmosphere Reference Height 3 Cloud mask Cloud mask 7 Cloud mask Mean square slope of waves Mean square slope of waves 20 Mean square slope of waves 21 Ice fraction of total condensate Ice fraction of total condensate Ice fraction of total condensate 74 Total column integrated graupel Total column integrated graupel Total column integrated graupel Base reflectivity Base reflectivity Base reflectivity 1 0 Estimated precipitation Estimated precipitation Estimated precipitation Root depth of vegetation Root depth of vegetation Root depth of vegetation 32 v-component of ice drift v-component of ice drift 5 v-component of ice drift 54 Large scale precipitation rate Large scale precipitation rate Large scale precipitation rate Absolute vorticity Absolute vorticity Absolute vorticity 10 9 Large-scale precipitation (non-convective) Large-scale precipitation (non-convective) Large-scale precipitation (non-convective) 26 Height of convective cloud base Height of convective cloud base Height of convective cloud base 4 u-component of ice drift u-component of ice drift u-component of ice drift Total snowfall rate water equivalent 53 Total snowfall rate water equivalent Total snowfall rate water equivalent Aerosol type Aerosol type 0 Aerosol type Maximum individual wave height Maximum individual wave height Maximum individual wave height 24 Horizontal extent of cumulonimbus (CB) Horizontal extent of cumulonimbus (CB) 25 Horizontal extent of cumulonimbus (CB) Cloud ice Cloud ice 0 Cloud ice Wet deposition Wet deposition Wet deposition 11 6 Evaporation Evaporation Evaporation u-component (zonal) kinematic moisture flux u-component (zonal) kinematic moisture flux 91 u-component (zonal) kinematic moisture flux Days since last observation Days since last observation Days since last observation 3 Updraft helicity 15 Updraft helicity Updraft helicity Radar spectra (3) Radar spectra (3) Radar spectra (3) 8 Brightness temperature Brightness temperature Brightness temperature 4 Surface roughness 1 Surface roughness Surface roughness Total column water (Vertically integrated total water (vapour + cloud water/ice)) Total column water (Vertically integrated total water (vapour + cloud water/ice)) Total column water (Vertically integrated total water (vapour + cloud water/ice)) 51 68 Ice pellets precipitation rate Ice pellets precipitation rate Ice pellets precipitation rate Turbulent diffusion coefficient for heat 20 Turbulent diffusion coefficient for heat Turbulent diffusion coefficient for heat 14 Transfer from SO2 (sulphur dioxide) to SO4 (sulphate) Transfer from SO2 (sulphur dioxide) to SO4 (sulphate) Transfer from SO2 (sulphur dioxide) to SO4 (sulphate) Direction of ice drift Direction of ice drift Direction of ice drift 2 Missing 255 Missing Missing 2 K index K index K index Mass mixing ratio (mass fraction in air) Mass mixing ratio (mass fraction in air) Mass mixing ratio (mass fraction in air) 2 Convective snowfall rate Convective snowfall rate 58 Convective snowfall rate Potential vorticity Potential vorticity 14 Potential vorticity