WMO GRIB1 Parameter Code Table 3
Pressure
Pa
air_pressure
EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Surface Pressure
EARTH SCIENCE > Atmosphere > Clouds > Cloud Base Pressure
EARTH SCIENCE > Atmosphere > Clouds > Cloud Top Pressure
EARTH SCIENCE > Atmosphere > Altitude > Tropopause
EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Sea Level Pressure
EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Hydrostatic Pressure
Pressure reduced to MSL
Pa
EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Sea Level Pressure
Pressure tendency
Pa s^-1
tendency_of_air_pressure
EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Pressure Tendency
Potential vorticity
K m^2 kg^-1 s^-1
ertel_potential_vorticity
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vorticity
ICAO Standard Atmosphere reference height
m
Geopotential
m2 s^-2
geopotential
Geopotential height
gpm
geopotential_height
EARTH SCIENCE > Atmosphere > Altitude > Geopotential Height
Geometric height
m
altitude
Standard deviation of height
m
Total ozone
Dobson
equivalent_thickness_at_stp_of_atmosphere_o3_content
EARTH SCIENCE > Atmosphere > Air Quality > Tropospheric Ozone
Temperature
K
air_temperature
EARTH SCIENCE > Land Surface > Land Temperature > Skin Temperature
EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Surface Air Temperature
EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Air Temperature
Virtual temperature
K
virtual_temperature
EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Virtual Temperature
Potential temperature
K
air_potential_temperature
EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Potential Temperature
Pseudo-adiabatic potential temperature
K
pseudo_equivalent_potential_temperature
Maximum temperature
K
maximum_air_temperature
EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Maximum/Minimum Temperature
Minimum temperature
K
minimum_air_temperature
EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Maximum/Minimum Temperature
Dewpoint temperature
K
dew_point_temperature
EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Dew Point Temperature
Dewpoint depression (or deficit)
K
dew_point_depression
EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Dew Point Temperature
Lapse rate
K m^-1
air_temperature_lapse_rate
Visibility
m
visibility_in_air
EARTH SCIENCE > Atmosphere > Air Quality > Visibility
Radar spectra (1)
Radar spectra (2)
Radar spectra (3)
Parcel lifted index (to 500hPa)
K
Temperature anomaly
K
air_temperature_anomaly
Pressure anomaly
Pa
air_pressure_anomaly
Geopotential height anomaly
gpm
geopotential_height_anomaly
EARTH SCIENCE > Atmosphere > Altitude > Geopotential Height
Wave spectra (1)
Wave spectra (2)
Wave spectra (3)
Wind direction
degree
wind_from_direction
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Surface Winds
Wind speed
m s^-1
wind_speed
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Surface Winds
u-component of wind
m s^-1
eastward_wind
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Surface Winds
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Upper Level Winds
v-component of wind
m s^-1
northward_wind
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Surface Winds
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Upper Level Winds
Stream function
m s^-1
atmosphere_horizontal_streamfunction
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Streamfunctions
Velocity potential
m s^-1
atmosphere_horizontal_velocity_potential
Montgomery stream function
m s^-1
atmosphere_horizontal_montgomery_streamfunction
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Streamfunctions
Sigma coordinate vertical velocity
s^-1
lagrangian_tendency_of_atmosphere_sigma_coordinate
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vertical Wind Motion
Vertical velocity
Pa s^-1
lagrangian_tendency_of_air_pressure
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vertical Wind Motion
Vertical velocity
m s^-1
upward_air_velocity
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vertical Wind Motion
Absolute vorticity
s^-1
atmosphere_absolute_vorticity
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vorticity
Absolute divergence
s^-1
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Convergence/Divergence
Relative vorticity
s^-1
atmosphere_relative_vorticity
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vorticity
Relative divergence
s^-1
divergence_of_wind
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Convergence/Divergence
Vertical u-component shear
s^-1
eastward_wind_shear
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Wind Shear
Vertical v-component shear
s^-1
northward_wind_shear
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Wind Shear
Direction of current
degree
direction_of_sea_water_velocity
EARTH SCIENCE > Oceans > Ocean Circulation > Ocean Currents
Speed of current
m s^-1
sea_water_speed
EARTH SCIENCE > Oceans > Ocean Circulation > Ocean Currents
u-component of current
m s^-1
eastward_sea_water_velocity
EARTH SCIENCE > Oceans > Ocean Circulation > Ocean Currents
v-component of current
m s^-1
northward_sea_water_velocity
EARTH SCIENCE > Oceans > Ocean Circulation > Ocean Currents
Specific humidity
kg kg^-1
specific_humidity
EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Humidity
Relative humidity
%
relative_humidity
EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Humidity
Humidity mixing ratio
kg kg^-1
humidity_mixing_ratio
EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Humidity
Precipitable water
kg m^-2
atmosphere_water_vapor_content
EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Precipitable Water
Vapor pressure
Pa
water_vapor_pressure
EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Water Vapor
Saturation deficit
Pa
water_vapor_saturation_deficit
EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Water Vapor
Evaporation
kg m^-2
water_evaporation_amount
EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Evaporation
Cloud ice
kg m^-2
atmosphere_cloud_ice_content
EARTH SCIENCE > Atmosphere > Clouds > Cloud Liquid Water/Ice
Precipitation rate
kg m^-2 s^-1
precipitation_flux
EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Rate
Thunderstorm probability
%
thunderstorm_probability
Total precipitation
kg m^-2
precipitation_amount
EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Amount
Large scale precipitation
kg m^-2
large_scale_precipitation_amount
EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Amount
Convective precipitation
kg m^-2
convective_precipitation_amount
EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Amount
Snowfall rate water equivalent
kg m^-2 s^-1
snowfall_flux
EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Water Equivalent
Water equivalent of accumulated snow depth
kg m^-2
surface_snow_amount
EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Water Equivalent
Snow depth
m
surface_snow_thickness
EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Depth
Mixed layer depth
m
ocean_mixed_layer_thickness
Transient thermocline depth
m
EARTH SCIENCE > Oceans > Ocean Temperature > Thermocline
Main thermocline depth
m
EARTH SCIENCE > Oceans > Ocean Temperature > Thermocline
Main thermocline anomaly
m
EARTH SCIENCE > Oceans > Ocean Temperature > Thermocline
Total cloud cover
%
cloud_area_fraction
EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency
Convective cloud cover
%
convective_cloud_area_fraction
EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency
Low cloud cover
%
EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency
Medium cloud cover
%
EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency
High cloud cover
%
EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency
Cloud water
kg m^-2
atmosphere_cloud_condensed_water_content
EARTH SCIENCE > Atmosphere > Clouds > Cloud Liquid Water/Ice
Best lifted index (to 500 hPa)
K
Convective snow
kg m^-2
convective_snowfall_amount
EARTH SCIENCE > Atmosphere > Precipitation > Snow
Large scale snow
kg m^-2
large_scale_snowfall_amount
EARTH SCIENCE > Atmosphere > Precipitation > Snow
Water temperature
K
sea_water_temperature
EARTH SCIENCE > Oceans > Ocean Temperature > Sea Surface Temperature
EARTH SCIENCE > Oceans > Ocean Temperature > Water Temperature
Land cover
proportion
land_area_fraction
EARTH SCIENCE > Land Surface > Land Use/Land Cover > Land Cover
Deviation of sea level from mean
m
sea_surface_height_above_sea_level
EARTH SCIENCE > Oceans > Coastal Processes > Sea Level Rise
Surface roughness
m
surface_roughness_length
EARTH SCIENCE > Land Surface > Topography > Surface Roughness
Albedo
%
surface_albedo
EARTH SCIENCE > Land Surface > Surface Radiative Properties > Albedo
Soil temperature
K
soil_temperature
EARTH SCIENCE > Land Surface > Soils > Soil Temperature
Soil moisture content
kg m^-2
soil_moisture_content
EARTH SCIENCE > Land Surface > Soils > Soil Moisture/Water Content
Vegetation
%
vegetation_area_fraction
EARTH SCIENCE > Biosphere > Vegetation > Vegetation Cover
Salinity
kg kg^-1
sea_water_salinity
EARTH SCIENCE > Oceans > Salinity/Density > Salinity
Density
kg m^-3
Water runoff
kg m^-2
surface_runoff_amount
EARTH SCIENCE > Hydrosphere > Surface Water > Runoff
Ice cover
proportion
sea_ice_area_fraction
EARTH SCIENCE > Oceans > Sea Ice > Ice Extent
Ice thickness
m
sea_ice_thickness
EARTH SCIENCE > Oceans > Sea Ice > Ice Depth/Thickness
Direction of ice drift
degree
direction_of_sea_ice_velocity
EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion
Speed of ice drift
m s^-1
sea_ice_speed
EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion
u-component of ice drift
m s^-1
eastward_sea_ice_velocity
EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion
v-component of ice drift
m s^-1
northward_sea_ice_velocity
EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion
Ice growth rate
m s^-1
tendency_of_sea_ice_thickness_due_to_thermodynamics
EARTH SCIENCE > Oceans > Sea Ice > Ice Growth/Melt
Ice divergence
s^-1
divergence_of_sea_ice_velocity
EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion
Snow melt
kg m^-2
surface_snow_melt_amount
EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Melt
Significant height of combined wind waves and swell
m
significant_height_of_wind_and_swell_waves
EARTH SCIENCE > Oceans > Ocean Waves > Significant Wave Height
Direction of wind waves
degree
direction_of_wind_wave_velocity
EARTH SCIENCE > Oceans > Ocean Waves > Wave Speed/Direction
Significant height of wind waves
m
significant_height_of_wind_waves
EARTH SCIENCE > Oceans > Ocean Waves > Significant Wave Height
Mean period of wind waves
s
wind_wave_period
EARTH SCIENCE > Oceans > Ocean Waves > Wave Period
Direction of swell waves
degree
direction_of_swell_wave_velocity
EARTH SCIENCE > Oceans > Ocean Waves > Swells
Significant height of swell waves
m
significant_height_of_swell_waves
EARTH SCIENCE > Oceans > Ocean Waves > Swells
Mean period of swell waves
s
swell_wave_period
EARTH SCIENCE > Oceans > Ocean Waves > Swells
Primary wave direction
degree
EARTH SCIENCE > Oceans > Ocean Waves > Wave Speed/Direction
Primary wave mean period
s
EARTH SCIENCE > Oceans > Ocean Waves > Wave Period
Secondary wave direction
degree
EARTH SCIENCE > Oceans > Ocean Waves > Wave Speed/Direction
Secondary wave mean period
s
EARTH SCIENCE > Oceans > Ocean Waves > Wave Period
Net short-wave radiation flux (surface)
W m^-2
surface_net_upward_shortwave_flux
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Incoming Solar Radiation
Net longwave radiation flux (surface)
W m^-2
surface_net_upward_longwave_flux
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Net short-wave radiation flux (top of atmosphere)
W m^-2
toa_net_upward_shortwave_flux
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Incoming Solar Radiation
Net longwave radiation flux (top of atmosphere)
W m^-2
toa_outgoing_longwave_flux
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Long-wave radiation flux
W m^-2
net_upward_longwave_flux_in_air
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation
Short-wave radiation flux
W m^-2
net_upward_shortwave_flux_in_air
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Global radiation flux
W m^-2
surface_downwelling_shortwave_flux_in_air
Brightness temperature
K
brightness_temperature
EARTH SCIENCE > Spectral/Engineering > Infrared Wavelengths > Brightness Temperature
Radiance (with respect to wave number)
W m^-1 sr^-1
Radiance (with respect to wave length)
W m^-1 sr^-1
Latent heat flux
W m^-2
surface_upward_latent_heat_flux
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Heat Flux
Sensible heat flux
W m^-2
surface_upward_sensible_heat_flux
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Heat Flux
Boundary layer dissipation
W m^-2
Momentum flux, u-component
N m^-2
downward_eastward_momentum_flux_in_air
Momentum flux, v-component
N m^-2
downward_northward_momentum_flux_in_air
Wind mixing energy
J
wind_mixing_energy_flux_into_ocean
Image data
Precipitation rate
mm day^-1
EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Rate
Total precipitation
mm
EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Amount
Vertical speed shear
s^-1
EARTH SCIENCE > Atmosphere > Atmospheric Winds > Wind Shear
Downward short-wave radiation flux
W m^-2
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Incoming Solar Radiation
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Shortwave Radiation