High Resolution Rapid Refresh (HRRR) GRIB1 Table Documentation CONUS 2-D Fields 01 March 2012 RecordNumber, TableNumber, ParameterNumber, WGribName, NCLName, FieldType, Description, Units, 1, 129, 212, ULWRF, ULWRF_GDS3_EATM, Composite Reflectivity, Maximum reflectivity in model column, dBZ, 2, 2, 222, 5WAVH, WGH_GDS3_CTL_10, Echo Top, Echo top height of 18dBZ surface, m, 3, 2, 147, U-GWD, UGWD_GDS3_EATM_10, VIL, Vertically integrated liquid, kg/m^2, 4, 2, 148, V-GWD, VGWD_GDS3_EATM_10, Radar VIL, Radar-derived vertically integrated liquid, kg/m^2, 5, 2, 20, VIS, VIS_GDS3_SFC, Visibility, Surface visibility, m, 6, 129, 211, USWRF, USWRF_GDS3_HTGL, Reflectivity, Reflectivity at 1 km above ground level, dBZ, 7, 2, 220, NLGSP, NLGSP_GDS3_ISBY, Maximum Updraft, Maximum updraft velocity in 1000-400 mb layer over previous hour, m/s, 8, 2, 223, CNWAT, CNWAT_GDS3_ISBY, Maximum Downdraft, Maximum downdraft velocity in 1000-400 mb layer over previous hour, m/s, 9, 2, 40, DZDT, GVV_GDS3_SIGY, Mean Vertical Velocity, Mean vertical velocity in sigma 0.8-0.5 layer, m/s, 10, 2, 2, PRMSL, PMSL_GDS3_MSL, Pressure, Pressure reduced to mean sea level via MAPS method, Pa, 11, 129, 217, TTPHY, TTPHY_GDS3_HTGL, Maximum Reflectivity, Maximum reflectivity at 1 km above ground level over previous hour, dBZ, 12, 129, 215, TTDIA, TTDIA_GDS3_HTGY, Maximum Updraft Helicity, Maximum updraft helicity in layer 2-5 km above ground level over previous hour, m^2/s^2, 13, 129, 216, TTRAD, TTRAD_GDS3_HTGY, Maximum Updraft Helicity, Maximum updraft helicity in layer 1-6 km above ground level over previous hour, m^2/s^2, 14, 129, 228, PEVAP, PEVAP_GDS3_EATM, Vertically Integrated Graupel, Maximum vertically integrated graupel in model column over previous hour, kg/m^2, 15, 2, 188, var188, WDROP_GDS3_EATM, Lightning Threat 1, Maximum lightning threat 1 based on vertical flux of graupel at -15C over previous hour, flashes/km^2/(5 min), 16, 2, 186, ICNG, ICNG_GDS3_EATM, Lightning Threat 2, Maximum lightning threat 2 based on vertically integrated graupel snow and cloud ice over previous hour, flashes/km^2/(5 min), 17, 2, 187, LTNG, LTNG_GDS3_EATM, Lightning Threat 3, Maximum lightning threat 3 based on a weighted combination of lightning threat 1 and 2 over previous hour, flashes/km^2/(5 min), 18, 129, 227, AMIXL, AMIXL_GDS3_HTGY, Updraft Helicity, Updraft helicity in layer 2-5 km above ground level, m^2/s^2, 19, 129, 214, CPRAT, CPRAT_GDS3_HTGY, Updraft Helicity, Updraft helicity in layer 1-6 km above ground level, m^2/s^2, 20, 2, 241, LRGHR, LRGHR_GDS3_EATM, Convective Initiation, Time since last convective initation (> 1 hr) based upon lightning threat 3 and no adjacent activity, minutes, 21, 2, 242, CNVHR, CNVHR_GDS3_EATM, Convective Acitivity, Time since last convective activity based upon lightning threat 3, minutes, 22, 2, 243, CNVMR, CNVMR_GDS3_EATM, Convective Initiation, Time since last convective initation (> 1 hr) based upon flux of rain/graupel and no adjacent activity, minutes, 23, 2, 244, SHAHR, SHAHR_GDS3_EATM, Convective Activitiy, Time since last convective activity based upon vertical flux of rain and graupel, minutes, 24, 2, 245, SHAMR, SHAMR_GDS3_EATM, Convective Initiation, Time since last convective initation (> 1 hr) based upon 35 dBZ reflectivity at -10C and no adjacent activity, minutes, 25, 2, 246, VDFHR, VDFHR_GDS3_EATM, Convective Activity, Time since last convective activitiy based upon 35 dBZ reflectivity at -10C, minutes, 26, 2, 126, WMIXE, WMIXE_GDS3_HTGL, Wind Energy, Wind energy generation potential using 0.5*density*speed^3 at 80 m above ground level, W/m^2, 27, 2, 49, UOGRD, UOGRD_GDS3_HTGL, Wind, U-component of wind at 80 m above ground level, m/s, 28, 2, 50, VOGRD, VOGRD_GDS3_HTGL, Wind, V-component of wind at 80 m above ground level, m/s, 29, 2, 1, PRES, P_GDS3_SFC, Pressure, Surface pressure, Pa, 30, 2, 11, TMP, T_GDS3_SFC, Temperature, Surface (skin) temperature, K, 31, 2, 85, TSOIL, ST_GDS3_SFC, Soil Temperature, Surface (skin) soil temperature, K, 32, 2, 144, SOILW, SOILW_GDS3_SFC, Soil Moisture, Surface (skin) volumetric soil moisture content (0 to 2.5 cm layer below surface), fraction, 33, 2, 85, TSOIL, ST_GDS3_DBLL(0), Soil Temperature, Soil temperature 5 cm below surface, K, 34, 2, 144, SOILW, SOILW_GDS3_DBLL(0), Soil Moisture, Volumetric soil moisture content 5 cm below surface (2.5 to 12.5 cm layer below surface), fraction, 35, 2, 85, TSOIL, ST_GDS3_DBLL(1), Soil Temperature, Soil temperature 20 cm below surface, K, 36, 2, 144, SOILW, SOILW_GDS3_DBLL(1), Soil Moisture, Volumetric soil moisture content 20 cm below surface (12.5 to 30 cm layer below surface), fraction, 37, 2, 85, TSOIL, ST_GDS3_DBLL(2), Soil Temperature, Soil temperature 40 cm below surface, K, 38, 2, 144, SOILW, SOILW_GDS3_DBLL(2), Soil Moisture, Volumetric soil moisture content 40 cm below surface (30 to 100 cm layer below surface), fraction, 39, 2, 85, TSOIL, ST_GDS3_DBLL(3), Soil Temperature, Soil temperature 160 cm below surface, K, 40, 2, 144, SOILW, SOILW_GDS3_DBLL(3), Soil Moisture, Volumetric soil moisture content 160 cm below surface (100 to 230 cm layer below surface), fraction, 41, 2, 85, TSOIL, ST_GDS3_DBLL(4), Soil Temperature, Soil temperature 300 cm below surface, K, 42, 2, 144, SOILW, SOILW_GDS3_DBLL(4), Soil Moisture, Volumetric soil moisture content 300 cm below surface (230 to 300 cm layer below surface), fraction, 43, 2, 65, WEASD, WEASD_GDS3_SFC, Snow Water, Water equivalent of accumulated snow depth, kg/m^2, 44, 2, 11, TMP, T_GDS3_HTGL, Temperature, Temperature at 2 m above ground level, K, 45, 2, 13, POT, POT_GDS3_HTGL, Temperature, Potential temperature at 2 m above ground level, K, 46, 2, 51, SPFH, SH_GDS3_HTGL, Specific Humidity, Specific humidity at 2 m above ground level, kg/kg, 47, 2, 17, DPT, DPT_GDS3_HTGL, Dewpoint, Dewpoint temperature at 2 m above ground level, K, 48, 2, 52, RH, RH_GDS3_HTGL, Relative Humidity, Relative humidity at 2 m above ground level, %, 49, 2, 33, UGRD, UW_GDS3_HTGL, Wind, U-component of wind at 10 m above ground level, m/s, 50, 2, 34, VGRD, VW_GDS3_HTGL, Wind, V-component of wind at 10 m above ground level, m/s, 51, 2, 229, SNOHF, SNOHF_GDS3_HTGL, Maximum Wind, Maximum horizontal wind speed at 10 m above ground level over previous hour, m/s, 52, 2, 61, APCP, TP_GDS3_SFC_accHHh, Precipitation, Total precipitation accumulated since initial time, kg/m^2, 53, 2, 63, ACPCP, CP_GDS3_SFC_accHHh, Precipitation, Total convective precipitation accumulated since initial time, kg/m^2, 54, 2, 62, NCPCP, LGSP_GDS3_SFC_accHHh, Precipitation, Total large-scale precipitation accumulated since initial time, kg/m^2, 55, 2, 65, WEASD, WEASD_GDS3_SFC_accHHh, Precipitation, Water equivalent of accumulated snow depth since intial time, kg/m^2, 56, 2, 61, APCP, TP_GDS3_SFC_acc1h, Precipitation, Total precipitation accumulated over previous hour, kg/m^2, 57, 2, 63, ACPCP, CP_GDS3_SFC_acc1h, Precipitation, Convective-scale precipitation accumulated over previous hour, kg/m^2, 58, 2, 62, NCPCP, LGSP_GDS3_SFC_acc1h, Precipitation, Large-scale precipitation accumulated over previous hour, kg/m^2, 59, 2, 65, WEASD, WEASD_GDS3_SFC_acc1h, Precipitation, Water equivalent of accumulated snow depth over previous hour, kg/m^2, 60, 2, 143, CSNOW, CSNOW_GDS3_SFC, Precipitation Type, Categorical snow (yes=1,no=0), flag, 61, 2, 142, CICEP, CICEP_GDS3_SFC, Precipitation Type, Categorical ice pellets (yes=1,no=0), flag 62, 2, 141, CFRZR, CFRZR_GDS3_SFC, Precipitation Type, Categorical freezing rain (yes=1,no=0), flag, 63, 2, 140, CRAIN, CRAIN_GDS3_SFC, Precipitation Type, Categorical rain (yes=1,no=0), flag, 64, 2, 253, FRICV, FRICV_GDS3_SFC, Wind, Friction velocity, m/s, 65, 2, 122, SHTFL, SHTFL_GDS3_SFC, Heat Flux, Sensible heat net flux at surface, W/m^2, 66, 2, 121, LHTFL, LHTFL_GDS3_SFC, Heat Flux, Latent heat net flux at surface, W/m^2, 67, 2, 155, GFLUX, GFLUX_GDS3_SFC, Heat Flux, Ground heat flux at surface, W/m^2, 68, 2, 131, LFTX, SLI_GDS3_ISBY, Lifted Index, Surface lifted index using 500 mb reference level, K, 69, 2, 157, CAPE, CAPE_GDS3_SFC, Instability, Surface CAPE using highest theta-e parcel from lowest 10 mb, J/kg, 70, 2, 156, CIN, CIN_GDS3_SFC, Instability, Surface CIN using highest theta-e parcel from lowest 10 mb, J/kg, 71, 2, 54, PWAT, PW_GDS3_EATM, Precipitable Water, Precipitable water in model column, kg/m^2, 72, 2, 73, LCDC, LCC_GDS3_LCY, Cloud Cover, Low-level cloud cover fraction based on maximum below 642 mb within 30 km radius of a grid point, %, 73, 2, 74, MCDC, MCC_GDS3_MCY, Cloud Cover, Mid-level cloud cover fraction based on maximum between 642 mb and 350 mb within 30 km radius of a grid point, %, 74, 2, 75, HCDC, HCC_GDS3_HCY, Cloud Cover, High-level cloud cover fraction based on maximum between 350 mb and 150 mb within 30 km radius of a grid point, %, 75, 2, 71, TCDC, TCC_GDS3_EATM, Cloud Cover, Total cloud cover fraction based on maximum in model column within 30 km radius of a grid point, %, 76, 2, 7, HGT, GH_GDS3_CBL, Cloud Base, Geopotential height of cloud base, gpm, 77, 2, 7, HGT, GH_GDS3_CTL, Cloud Top, Geopotential height of cloud top, gpm, 78, 2, 212, ULWRF, ULWRF_GDS3_NTAT, Radiation, Outgoing longwave radiation at top of atmosphere, W/m^2, 79, 2, 204, DSWRF, DSWRF_GDS3_SFC, Radiation, Incoming shortwave radiation at the surface, W/m^2, 80, 2, 190, HLCY, HELI_GDS3_HTGY(1), Helicity, Storm-relative helicity for 0-3 km above ground level using Bunkers et al. 2000 storm-motion, m^2/s^2, 81, 2, 190, HLCY, HELI_GDS3_HTGY(0), Helicity, Storm-relative helicity for 0-1 km above ground level using Bunkers et al. 2000 storm-motion, m^2/s^2, 82, 2, 196, USTM, USTM_GDS3_HTGY, Storm Motion, U-component of convective storm motion for right-moving cells using Bunkers et al. 2000, m/s, 83, 2, 197, VSTM, VSTM_GDS3_HTGY, Storm Motion, V-component of convective storm motion for right-moving cells using Bunkers et al. 2000, m/s, 84, 2, 45, VUCSH, VUCSH_GDS3_HTGY(0), Wind Shear, U-component of vector wind difference between 10 m and 1 km above ground level, m/s, 85, 2, 46, VVCSH, VVCSH_GDS3_HTGY(0), Wind Shear, V-component of vector wind difference between 10 m and 1 km above ground level, m/s, 86, 2, 45, VUCSH, VUCSH_GDS3_HTGY(1), Wind Shear, U-component of vector wind difference between wind in surface-500 m and 5.5-6.0 km layers above ground level, m/s, 87, 2, 46, VVCSH, VVCSH_GDS3_HTGY(1), Wind Shear, V-component of vector wind difference between wind in surface-500 m and 5.5-6.0 km layers above ground level, m/s, 88, 2, 11, TMP, T_GDS3_SPDY, Temperature, Mean temperature in lowest 30 mb, K, 89, 2, 13, POT, POT_GDS3_SPDY, Temperature, Mean potential temperature in lowest 30 mb, K, 90, 2, 52, RH, RH_GDS3_SPDY, Relative Humidity, Mean relative humidity in lowest 30 mb, %, 91, 2, 17, DPT, DPT_GDS3_SPDY, Dewpoint, Mean dewpoint temperature in lowest 30 mb, K, 92, 2, 132, 4LFTX, BLI_GDS3_SPDY, Lifted Index, Most unstable lifted index in six lowest 30 mb layers using 500 mb reference level, K, 93, 2, 157, CAPE, CAPE_GDS3_SPDY(0), Instability, CAPE using highest average theta-e in six lowest 30 mb layers, J/kg, 94, 2, 156, CIN, CIN_GDS3_SPDY(0), Instability, CIN using highest average theta-e in six lowest 30 mb layers, J/kg, 95, 2, 221, HPBL, HPBL_GDS3_SFC, Height, Planetary boundary layer height, m, 96, 2, 7, HGT, GH_GDS3_ADCL, Height, Adiabatic condensation level above ground (LCL), gpm, 97, 2, 157, CAPE, CAPE_GDS3_SPDY(1), Instability, Mixed-layer CAPE (MLCAPE) using average theta-e of the three lowest 30 mb layers, J/kg, 98, 2, 156, CIN, CIN_GDS3_SPDY(1), Instability, Mixed-layer CIN (MLCIN) using average theta-e of the three lowest 30 mb layers, J/kg, 99, 2, 157, CAPE, CAPE_GDS3_SPDY(2), Instability, Most unstable CAPE (MUCAPE) using parcel with highest theta-e in lowest 300 mb, J/kg, 100, 2, 156, CIN, CIN_GDS3_SPDY(2), Instability, Most unstable CIN (MUCIN) using parcel with highest theta-e in lowest 300 mb, J/kg, 101, 129, 141, CFRZR, CFRZR_GDS3_SPDY, Pressure, Pressure level of most unstable parcel in lowest 300 mb, Pa, 102, 2, 180, var180, VAR_180_GDS3_SFC, Wind, Wind gust speed at 10 m above ground level, m/s, 103, 2, 230, 5WAVA, WGH5A_GDS3_EATM, Relative Humidity, Relative humidity with respect to precipitable water in model column, %,