NCEP GRIB2 Parameter Code Master Table 2/Local Table 1 0 0 0 TMP Temperature K 0 0 2 POT Potential temperature K 0 0 6 DPT Dewpoint temperature K 0 0 21 APTMP Apparent temperature K 0 1 0 SPF H Specific humidity kg kg^-1 0 1 1 R H Relative humidity % 0 1 3 P WAT Precipitable water kg m^-2 0 1 7 PRATE Precipitation rate kg m^-2 s^-1 0 1 11 SNO D Snow depth m 0 1 13 WEASD Water equivalent of accumulated snow depth kg m^-2 0 1 22 CLWMR Cloud water mixing ratio kg kg^-1 0 1 23 ICMR Ice water mixing ratio kg kg^-1 0 1 24 RWMR Rain water mixing ratio kg kg^-1 0 1 25 SNMR Snow water mixing ratio kg kg^-1 0 1 32 GRLE Graupel kg kg^-1 0 1 39 CPOFP Percent frozen precipitation % 0 1 192 CRAIN Categorical rain (yes=1; no=0) 0 1 193 CFRZR Categorical freezing rain (yes=1; no=0) 0 1 194 CICEP Categorical ice pellets (yes=1; no=0) 0 1 195 CSNOW Categorical snow (yes=1; no=0) 0 1 200 PEVPR Potential evaporation rate W m^-2 0 2 2 U GRD u-component of wind m s^-1 0 2 3 V GRD v-component of wind m s^-1 0 2 8 V VEL Vertical velocity (pressure) Pa s^-1 0 2 9 DZDT Vertical velocity (geometric) m s^-1 0 2 10 ABS V Absolute vorticity s^-1 0 2 22 GUST Wind speed (gust) m s^-1 0 2 192 VW SH Vertical speed shear s^-1 0 2 194 USTM u-component of storm motion m s^-1 0 2 195 VSTM v-component of storm motion m s^-1 0 2 197 FRICV Frictional velocity m s^-1 0 2 224 VRATE Ventilation rate m^2 s^-1 0 3 0 PRES Pressure Pa 0 3 1 PRMSL Pressure reduced to MSL Pa 0 3 3 ICAHT ICAO standard atmosphere reference height m 0 3 5 HGT Geopotential height gpm 0 3 9 GP A Geopotential height anomaly gpm 0 3 192 MSLET MSLP (Eta model reduction) Pa 0 3 193 5WAVH 5-wave geopotential height gpm 0 3 196 HPBL Planetary boundary layer height m 0 3 197 5WAVA 5-wave geopotential height anomaly gpm 0 3 200 PLPL Pressure of level from which parcel was lifted Pa 0 6 1 T CDC Total cloud cover % 0 6 3 L CDC Low cloud cover % 0 6 4 M CDC Medium cloud cover % 0 6 5 H CDC High cloud cover % 0 6 6 C WAT Cloud water kg m^-2 0 6 201 SUNSD Sunshine duration s 0 7 6 CAPE Convective available potential energy J kg^-1 0 7 7 CIN Convective inhibition J kg^-1 0 7 8 HLCY Storm relative helicity m^2 s^-2 0 7 192 LFT X Surface lifted index deg K 0 7 193 4LFTX Best (4 layer) lifted index deg K 0 14 0 TOZNE Total ozone Dobson 0 14 192 O3MR Ozone mixing ratio kg kg^-1 0 16 195 REFD Derived radar reflectivity dB 0 16 196 REFC Maximum/Composite radar reflectivity dB 0 19 0 VIS Visibility m 2 0 0 LAND Land cover (0=sea, 1=land) Proportion 2 0 1 SFC R Surface roughness m 2 0 2 TSOIL Soil temperature K 2 0 4 VEG Vegetation % 2 0 192 SOILW Volumetric soil moisture content 2 0 196 CNWAT Plant canopy surface water kg m^-2 2 0 201 WILT Wilting point 2 0 218 LANDN Land-sea coverage (nearest neighbor) [land=1, sea=0] Proportion 2 3 0 SOTYP Soil type 2 3 192 SOILL Liquid volumetric soil moisture (non-frozen) 2 3 203 FLDCP Field capacity 2 4 2 HINDEX Haines index 10 2 0 ICEC Ice cover fraction 10 2 1 ICETK Ice thickness m 10 2 6 ICEG Ice growth rate m s^-1 10 2 8 ICETMP Ice temperature deg K