JMA JRA-55 Parameter Code Table 200 PRES Pressure Pa air_pressure EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Surface Pressure EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Hydrostatic Pressure PRMSL Pressure reduced to MSL Pa EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Sea Level Pressure PVOR Potential vorticity K m^2 kg^-1 s^-1 ertel_potential_vorticity EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vorticity GP Geopotential m^2 s^-2 geopotential HGT Geopotential height gpm geopotential_height EARTH SCIENCE > Atmosphere > Altitude > Geopotential Height TOZNE Total ozone Dobson equivalent_thickness_at_stp_of_atmosphere_o3_content EARTH SCIENCE > Atmosphere > Air Quality > Tropospheric Ozone TMP Temperature K air_temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Surface Air Temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Surface Air Temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Air Temperature POT Potential temperature K air_potential_temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Potential Temperature T MAX Maximum temperature K maximum_air_temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Maximum/Minimum Temperature T MIN Minimum temperature K minimum_air_temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Maximum/Minimum Temperature DEPR Dewpoint depression (or deficit) K dew_point_depression EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Dew Point Temperature U GRD 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 GRD v-component of wind m s^-1 northward_wind EARTH SCIENCE > Atmosphere > Atmospheric Winds > Surface Winds EARTH SCIENCE > Atmosphere > Atmospheric Winds > Upper Level Winds STRM Stream function m^2 s^-1 atmosphere_horizontal_streamfunction EARTH SCIENCE > Atmosphere > Atmospheric Winds > Streamfunctions V POT Velocity potential m^2 s^-1 atmosphere_horizontal_velocity_potential MNTSF Montgomery stream function m^2 s^-2 atmosphere_horizontal_montgomery_streamfunction EARTH SCIENCE > Atmosphere > Atmospheric Winds > Streamfunctions V VEL Vertical velocity (pressure) Pa s^-1 lagrangian_tendency_of_air_pressure EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vertical Wind Motion REL V Relative vorticity s^-1 atmosphere_relative_vorticity EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vorticity REL D Relative divergence s^-1 divergence_of_wind EARTH SCIENCE > Atmosphere > Atmospheric Winds > Convergence/Divergence SPF H Specific humidity kg kg^-1 specific_humidity EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Humidity R H Relative humidity % relative_humidity EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Humidity P WAT Precipitable water kg m^-2 atmosphere_water_vapor_content EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Precipitable Water EVP Evaporation mm day^-1 water_evaporation_amount EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Evaporation C ICE Cloud ice kg m^-2 atmosphere_cloud_ice_content EARTH SCIENCE > Atmosphere > Clouds > Cloud Liquid Water/Ice TPRAT Total precipitation mm day^-1 EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Rate LPRAT Large scale precipitation mm day^-1 large_scale_precipitation_amount EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Amount CPRAT Convective precipitation mm day^-1 convective_precipitation_amount EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Amount SRWEQ Snowfall rate water equivalent mm day^-1 snowfall_flux EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Water Equivalent SNWE Water equivalent of accumulated snow depth kg m^-2 EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Water Equivalent SNOWD Snow depth m surface_snow_thickness EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Depth T CDC Total cloud cover % cloud_area_fraction EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency L CDC Low cloud cover % EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency M CDC Medium cloud cover % EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency H CDC High cloud cover % EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency LAND Land cover fraction land_area_fraction EARTH SCIENCE > Land Surface > Land Use/Land Cover > Land Cover SFC R Surface roughness m surface_roughness_length EARTH SCIENCE > Land Surface > Topography > Surface Roughness SOILT Soil temperature K EARTH SCIENCE > Land Surface > Soils > Soil Temperature ROF Water run-off mm day^-1 EARTH SCIENCE > Hydrosphere > Surface Water > Runoff ICE C Ice cover fraction sea_ice_area_fraction EARTH SCIENCE > Oceans > Sea Ice > Ice Extent BRTMP Brightness temperature K brightness_temperature EARTH SCIENCE > Spectral/Engineering > Infrared Wavelengths > Brightness Temperature LHTFL Latent heat flux W m^-2 surface_upward_latent_heat_flux EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Heat Flux;EARTH SCIENCE > Oceans > Ocean Heat Budget > Heat Flux SHTFL Sensible heat flux W m^-2 surface_upward_sensible_heat_flux EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Heat Flux;EARTH SCIENCE > Oceans > Ocean Heat Budget > Heat Flux U FLX Momentum flux, u-component N m^-2 downward_eastward_momentum_flux_in_air V FLX Momentum flux, v-component N m^-2 downward_northward_momentum_flux_in_air BVF2 Square of Brunt Vaisala frequency 1 s^-2 EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Atmospheric Stability TSC Canopy temperature K EARTH SCIENCE > Biosphere > Vegetation > Canopy Characteristics TSG Ground temperature K EARTH SCIENCE > Land Surface > Land Temperature > Land Surface Temperature CWORK Cloud workfunction J kg^-1 FGLU Zonal momentum flux by long gravity wave N m^-2 EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Gravity Wave FGLV Meridional momentum flux by long gravity wave N m^-2 EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Gravity Wave ADUA Adiabatic zonal acceleration m s^-1 day^-1 VWV Meridional water vapor flux kg m^-1 s^-1 EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Water Vapor FGSV Meridional momentum flux by short gravity wave N m^-2 EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Gravity Wave GFLX Ground heat flux W m^-2 UWV Zonal water vapor flux kg m^-1 s^-1 EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Water Vapor FGSU Zonal momentum flux by short gravity wave N m^-2 EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Gravity Wave CSUSF Clear sky upward solar radiation flux W m^-2 upward_shortwave_flux_in_air_assuming_clear_sky EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Shortwave Radiation CSDSF Clear sky downward solar radiation flux W m^-2 downward_shortwave_flux_in_air_assuming_clear_sky EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Shortwave Radiation CSULF Clear sky upward longwave radiation flux W m^-2 upward_longwave_flux_in_air_assuming_clear_sky EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation CSDLF Clear sky downward longwave radiation flux W m^-2 downward_longwave_flux_in_air_assuming_clear_sky EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation ADVA Adiabatic meridional acceleration m s^-1 day^-1 FRCV Frequency of deep convection % FRCVS Frequency of shallow convection % FRSC Frequency of stratocumulus parameterization % GWDUA Gravity wave zonal acceleration m s^-1 day^-1 GWDVA Gravity wave meridional acceleration m s^-1 day^-1 UTHE Zonal thermal energy flux W m^-1 VTHE Meridional thermal energy flux W m^-1 LTRS Evapotranspiration W m^-2 EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Evapotranspiration LINT Interception loss W m^-2 DSWRF Downward solar radiation flux W m^-2 downward_shortwave_flux_in_air EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Shortwave Radiation DLWRF Downward longwave radiation flux W m^-2 downward_longwave_flux_in_air EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation USWRF Upward solar radiation flux W m^-2 upward_shortwave_flux_in_air EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Shortwave Radiation ULWRF Upward longwave radiation flux W m^-2 upward_longwave_flux_in_air EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation WSMX Maximum wind speed m s^-1 EARTH SCIENCE > Atmosphere > Atmospheric Winds > Surface Winds EARTH SCIENCE > Atmosphere > Atmospheric Winds > Upper Level Winds CWAT Cloud water kg kg^-1 EARTH SCIENCE > Atmosphere > Clouds > Cloud Liquid Water/Ice ADHR Adiabatic heating rate K day^-1 MSC Moisture storage on canopy m EARTH SCIENCE > Biosphere > Vegetation > Canopy Characteristics MSG Moisture storage on ground cover m EARTH SCIENCE > Land Surface > Soils > Soil Moisture/Water Content SOILW Soil wetness fraction EARTH SCIENCE > Land Surface > Soils > Soil Moisture/Water Content SMC Mass concentration of condensed water in soil kg m^-3 EARTH SCIENCE > Land Surface > Soils > Soil Moisture/Water Content CW Cloud liquid water kg m^-2 EARTH SCIENCE > Atmosphere > Clouds > Cloud Liquid Water/Ice CLWC Cloud liquid water kg kg^-1 EARTH SCIENCE > Atmosphere > Clouds > Cloud Liquid Water/Ice CIWC Cloud ice kg kg^-1 EARTH SCIENCE > Atmosphere > Clouds > Cloud Liquid Water/Ice MFLXB Upward mass flux at cloud base kg m^-2 s^-1 MFLUX Upward mass flux kg m^-2 s^-1 ADMR Adiabatic moistening rate kg kg^-1 day^-1 OZONE Ozone mixing ratio mg kg^-1 EARTH SCIENCE > Atmosphere > Air Quality > Tropospheric Ozone CNVUA Convective zonal acceleration m s^-1 day^-1 CNVVA Convective meridional acceleration m s^-1 day^-1 LRGHR Large scale condensation heating rate K day^-1 CNVHR Convective heating rate K day^-1 CNVMR Convective moistening rate kg kg^-1 day^-1 VDFHR Vertical diffusion heating rate K day^-1 VDFUA Vertical diffusion zonal acceleration m s^-1 day^-1 VDFVA Vertical diffusion meridional acceleration m s^-1 day^-1 VDFMR Vertical diffusion moistening rate kg kg^-1 day^-1 SWHR Solar radiative heating rate K day^-1 EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Atmospheric Heating LWHR Longwave radiative heating rate K day^-1 EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Atmospheric Heating VTYPE Type of vegetation code EARTH SCIENCE > Biosphere > Vegetation > Vegetation Species LRGMR Large scale moistening rate kg kg^-1 day^-1