NCEP Parameter Code Table 130 PRES 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 > Clouds > Cloud Base Pressure EARTH SCIENCE > Atmosphere > Clouds > Cloud Top Pressure EARTH SCIENCE > Atmosphere > Clouds > Cloud Base Pressure EARTH SCIENCE > Atmosphere > Clouds > Cloud Top Pressure EARTH SCIENCE > Atmosphere > Clouds > Cloud Base Pressure EARTH SCIENCE > Atmosphere > Clouds > Cloud Top Pressure EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Hydrostatic Pressure PRMSL Pressure reduced to MSL Pa PTEND Pressure tendency Pa tendency_of_air_pressure EARTH SCIENCE > Atmosphere > Atmospheric Pressure > Pressure Tendency PVORT Potential vorticity K m^2 kg^-1 s^-1 ertel_potential_vorticity EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vorticity ICAHT ICAO Standard Atmosphere reference height m GP Geopotential m^2 s^-2 geopotential HGT Geopotential height gpm EARTH SCIENCE > Land Surface > Topography > Terrain Elevation EARTH SCIENCE > Atmosphere > Altitude > Geopotential Height geopotential_height DIST Geometric height m altitude HSTDV Standard deviation of height m 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 > Land Surface > Land Temperature > Skin Temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Surface Air Temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Air Temperature VTMP Virtual temperature K virtual_temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Virtual Temperature POT Potential temperature K air_potential_temperature EARTH SCIENCE > Atmosphere > Atmospheric Temperature > Potential Temperature EPOT Pseudo-adiabatic potential temperature K pseudo_equivalent_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 DPT Dewpoint temperature K dew_point_temperature EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Dew Point Temperature DEPR Dewpoint depression (or deficit) K dew_point_depression EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Dew Point Temperature LAPR Lapse rate K m^-1 air_temperature_lapse_rate VIS Visibility m visibility_in_air EARTH SCIENCE > Atmosphere > Air Quality > Visibility RDSP1 Radar spectra (1) RDSP2 Radar spectra (2) RDSP3 Radar spectra (3) PLI Parcel lifted index (to 500hPa) K TMP A Temperature anomaly K air_temperature_anomaly PRESA Pressure anomaly Pa air_pressure_anomaly GPA Geopotential height anomaly gpm geopotential_height_anomaly EARTH SCIENCE > Atmosphere > Altitude > Geopotential Height WVSP1 Wave spectra (1) WVSP2 Wave spectra (2) WVSP3 Wave spectra (3) WDIR Wind direction deg wind_from_direction EARTH SCIENCE > Atmosphere > Atmospheric Winds > Surface Winds WIND Wind speed m s^-1 wind_speed EARTH SCIENCE > Atmosphere > Atmospheric Winds > Surface Winds 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 SGCVV Sigma coordinate vertical velocity s^-1 lagrangian_tendency_of_atmosphere_sigma_coordinate EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vertical Wind Motion V VEL Vertical velocity Pa s^-1 lagrangian_tendency_of_air_pressure EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vertical Wind Motion DZDT Vertical velocity m s^-1 upward_air_velocity EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vertical Wind Motion ABS V Absolute vorticity s^-1 atmosphere_absolute_vorticity EARTH SCIENCE > Atmosphere > Atmospheric Winds > Vorticity ABS D Absolute divergence s^-1 EARTH SCIENCE > Atmosphere > Atmospheric Winds > Convergence/Divergence 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 VUCSH Vertical u-component shear s^-1 eastward_wind_shear EARTH SCIENCE > Atmosphere > Atmospheric Winds > Wind Shear VVCSH Vertical v-component shear s^-1 northward_wind_shear EARTH SCIENCE > Atmosphere > Atmospheric Winds > Wind Shear DIR C Direction of current deg direction_of_sea_water_velocity EARTH SCIENCE > Oceans > Ocean Circulation > Ocean Currents SP C Speed of current m s^-1 sea_water_speed EARTH SCIENCE > Oceans > Ocean Circulation > Ocean Currents UOGRD u-component of current m s^-1 eastward_sea_water_velocity EARTH SCIENCE > Oceans > Ocean Circulation > Ocean Currents VOGRD v-component of current m s^-1 northward_sea_water_velocity EARTH SCIENCE > Oceans > Ocean Circulation > Ocean Currents 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 MIXR Humidity mixing ratio kg kg^-1 humidity_mixing_ratio 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 VAPP Vapor pressure Pa water_vapor_pressure EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Water Vapor SAT D Saturation deficit Pa water_vapor_saturation_deficit EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Water Vapor EVP Evaporation kg m^-2 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 PRATE Precipitation rate kg m^-2 s^-1 precipitation_flux EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Rate TSTM Thunderstorm probability % thunderstorm_probability A PCP Total precipitation kg m^-2 precipitation_amount EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Amount NCPCP Large scale precipitation kg m^-2 large_scale_precipitation_amount EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Amount ACPCP Convective precipitation kg m^-2 convective_precipitation_amount EARTH SCIENCE > Atmosphere > Precipitation > Precipitation Amount SRWEQ Snowfall rate water equivalent kg m^-2 s^-1 snowfall_flux EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Water Equivalent WEASD Water equivalent of accumulated snow depth kg m^-2 surface_snow_amount EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Water Equivalent SNO D Snow depth m surface_snow_thickness EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Depth MIXHT Mixed layer depth m ocean_mixed_layer_thickness TTHDP Transient thermocline depth m EARTH SCIENCE > Oceans > Ocean Temperature > Thermocline MTHD Main thermocline depth m EARTH SCIENCE > Oceans > Ocean Temperature > Thermocline MTH A Main thermocline anomaly m EARTH SCIENCE > Oceans > Ocean Temperature > Thermocline T CDC Total cloud cover % cloud_area_fraction EARTH SCIENCE > Atmosphere > Clouds > Cloud Amount/Frequency CDCON Convective cloud cover % convective_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 C WAT Cloud water kg m^-2 atmosphere_cloud_condensed_water_content EARTH SCIENCE > Atmosphere > Clouds > Cloud Liquid Water/Ice BLI Best lifted index (to 500 hPa) K SNO C Convective snow kg m^-2 convective_snowfall_amount EARTH SCIENCE > Atmosphere > Precipitation > Snow SNO L Large scale snow kg m^-2 large_scale_snowfall_amount EARTH SCIENCE > Atmosphere > Precipitation > Snow WTMP Water temperature K sea_water_temperature EARTH SCIENCE > Oceans > Ocean Temperature > Sea Surface Temperature EARTH SCIENCE > Oceans > Ocean Temperature > Water Temperature LAND Land cover fraction land_area_fraction EARTH SCIENCE > Land Surface > Land Use/Land Cover > Land Cover DSL M Deviation of sea level from mean m sea_surface_height_above_sea_level EARTH SCIENCE > Oceans > Coastal Processes > Sea Level Rise SFC R Surface roughness m surface_roughness_length EARTH SCIENCE > Land Surface > Topography > Surface Roughness ALBDO Albedo % surface_albedo EARTH SCIENCE > Land Surface > Surface Radiative Properties > Albedo TSOIL Soil temperature K soil_temperature EARTH SCIENCE > Land Surface > Soils > Soil Temperature SOILM Soil moisture content kg m^-2 soil_moisture_content EARTH SCIENCE > Land Surface > Soils > Soil Moisture/Water Content VEG Vegetation % vegetation_area_fraction EARTH SCIENCE > Biosphere > Vegetation > Vegetation Cover SALTY Salinity kg kg^-1 sea_water_salinity EARTH SCIENCE > Oceans > Salinity/Density > Salinity DEN Density kg m^-3 WATR Water runoff kg m^-2 surface_runoff_amount EARTH SCIENCE > Hydrosphere > Surface Water > Runoff ICE C Ice cover fraction sea_ice_area_fraction EARTH SCIENCE > Oceans > Sea Ice > Ice Extent ICETK Ice thickness m sea_ice_thickness EARTH SCIENCE > Oceans > Sea Ice > Ice Depth/Thickness DICED Direction of ice drift deg direction_of_sea_ice_velocity EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion SICED Speed of ice drift m s^-1 sea_ice_speed EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion U ICE u-component of ice drift m s^-1 eastward_sea_ice_velocity EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion V ICE v-component of ice drift m s^-1 northward_sea_ice_velocity EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion ICE G Ice growth rate m s^-1 tendency_of_sea_ice_thickness_due_to_thermodynamics EARTH SCIENCE > Oceans > Sea Ice > Ice Growth/Melt ICE D Ice divergence s^-1 divergence_of_sea_ice_velocity EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Motion SNO M Snow melt kg m^-2 surface_snow_melt_amount EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Melt HTSGW Significant height of combined wind waves and swell m significant_height_of_wind_and_swell_waves EARTH SCIENCE > Oceans > Ocean Waves > Significant Wave Height WVDIR Direction of wind waves deg direction_of_wind_wave_velocity EARTH SCIENCE > Oceans > Ocean Waves > Wave Speed/Direction WVHGT Significant height of wind waves m significant_height_of_wind_waves EARTH SCIENCE > Oceans > Ocean Waves > Significant Wave Height WVPER Mean period of wind waves m wind_wave_period EARTH SCIENCE > Oceans > Ocean Waves > Wave Period SWDIR Direction of swell waves deg direction_of_swell_wave_velocity EARTH SCIENCE > Oceans > Ocean Waves > Swells SWELL Significant height of swell waves m significant_height_of_swell_waves EARTH SCIENCE > Oceans > Ocean Waves > Swells SWPER Mean period of swell waves s swell_wave_period EARTH SCIENCE > Oceans > Ocean Waves > Swells DIRPW Primary wave direction deg EARTH SCIENCE > Oceans > Ocean Waves > Wave Speed/Direction PERPW Primary wave mean period s EARTH SCIENCE > Oceans > Ocean Waves > Wave Period DIRSW Secondary wave direction deg EARTH SCIENCE > Oceans > Ocean Waves > Wave Speed/Direction PERSW Secondary wave mean period s EARTH SCIENCE > Oceans > Ocean Waves > Wave Period NSWRS Net short-wave radiation flux (surface) W m^-2 surface_net_upward_shortwave_flux EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Incoming Solar Radiation NLWRS Net longwave radiation flux (surface) W m^-2 surface_net_upward_longwave_flux EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation NSWRT Net short-wave radiation flux (top of atmosphere) W m^-2 toa_net_upward_shortwave_flux EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Incoming Solar Radiation NLWRT Net longwave radiation flux (top of atmosphere) W m^-2 toa_outgoing_longwave_flux EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation LWAVR Long-wave radiation flux W m^-2 net_upward_longwave_flux_in_air EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation SWAVR Short-wave radiation flux W m^-2 net_upward_shortwave_flux_in_air EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Shortwave Radiation G RAD Global radiation flux W m^-2 surface_downwelling_shortwave_flux_in_air BRTMP Brightness temperature K brightness_temperature EARTH SCIENCE > Spectral/Engineering > Infrared Wavelengths > Brightness Temperature LWRAD Radiance (with respect to wave number) W srm^-2 SWRAD Radiance (with respect to wave length) W srm^-2 LHTFL Latent heat flux W m^-2 surface_upward_latent_heat_flux EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Heat Flux SHTFL Sensible heat flux W m^-2 surface_upward_sensible_heat_flux EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Heat Flux BLYDP Boundary layer dissipation W m^-2 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 WMIXE Wind mixing energy J wind_mixing_energy_flux_into_ocean IMG D Image data SOILW Volumetric soil moisture content fraction EARTH SCIENCE > Land Surface > Soils > Soil Moisture/Water Content PEVPR Potential evaporation rate W m^-2 potential_water_evaporation_flux EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Evaporation VEGT Vegetation canopy temperature K BARET Bare soil surface ski temperature K AVSFT Average surface skin temperature K RADT Effective radiative skin temperature K SSTOR Surface water storage kg m^-2 LSOIL Liquid soil moisture content (non-frozen) kg m^-2 EWATR Open water evaporation (standing water) W m^-2 GFLUX Ground heat flux W m^-2 CIN Convective inhibition J kg^-1 CAPE Convective available potential energy J kg^-1 TKE Turbulent kinetic energy J kg^-1 MXSALB Maximum snow albedo % SOILL Liquid volumetric soil moisture (non-frozen) fraction ASNOW Frozen precipitation (e.g. snowfall) kg m^-2 ARAIN Liquid precipitation (rainfall) kg m^-2 GWREC Groundwater recharge kg m^-2 QREC Flood plain recharge kg m^-2 SNOWT Snow temperature, depth-avg K VBDSF Visible beam downward solar flux W m^-2 VDDSF Visible diffuse downward solar flux W m^-2 NBDSF Near IR beam downward solar flux W m^-2 NDDSF Near IR diffuse downward solar flux W m^-2 SNFALB Snow-free albedo % RLYRS Number of soil layers in root zone M FLX Momentum flux N m^-2 NLAT Latitude (-90 to +90) deg ELON East longitude (0-360) deg FLDCAP Field capacity (soil moisture) ACOND Aerodynamic conductance m s^-1 SNOAG Snow age s CCOND Canopy conductance m s^-1 LAI Leaf area index SFCRH Roughness length for heat m SALBD Snow albedo (over snow cover area only) % NDVI Normalized difference vegetation index DRIP Canopy drip kg m^-2 SBSNO Sublimation (evaporation from snow) W m^-2 EVBS Direct evaporation from bare soil W m^-2 EVCW Canopy water evaporation W m^-2 RSMIN Minimal stomatal resistance s m^-1 DSWRF Downward shortwave 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 MSTAV Moisture availability % SFEXC Exchange coefficient (kg m^-3)(m s^-1) TRANS Transpiration W m^-2 EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Evapotranspiration USWRF Upward shortwave 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 WILT Wilting point fraction FLDCP Field capacity fraction SLTYP Surface slope type CNWAT Plant canopy surface water kg m^-2 SOTYP Soil type (as in Zobler) VGTYP Vegetation type (as in SiB) EARTH SCIENCE > Biosphere > Vegetation > Vegetation Species BMIXL Blackadar's mixing length scale m AMIXL Asymptotic mixing length scale m PEVAP Potential evaporation kg m^-2 EARTH SCIENCE > Atmosphere > Atmospheric Water Vapor > Evaporation SNOHF Snow phase-change heat flux W m^-2 SMREF Transpiration stress-onset (soil moisture) fraction SMDRY Direct evaporation cease (soil moisture) fraction BGRUN Baseflow-groundwater runoff kg m^-2 EARTH SCIENCE > Hydrosphere > Surface Water > Runoff SSRUN Storm surface runoff kg m^-2 EARTH SCIENCE > Hydrosphere > Surface Water > Runoff SNOWC Snow cover % EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow Cover SNOT Snow temperature K EARTH SCIENCE > Hydrosphere > Snow/Ice > Snow/Ice Temperature POROS Soil porosity fraction product_of_upward_air_velocity_and_air_temperature RCS Solar parameter in canopy conductance fraction RCT Temperature parameter in canopy conductance fraction RCQ Humidity parameter in canopy conductance fraction RCSOL Soil moisture parameter in canopy conductance fraction CD Drag coefficient FRICV Friction velocity m s^-1 RI Richardson number