NCEP Parameter Code Table 1 1 PRES Pressure Pa 2 PRMSL Pressure reduced to MSL Pa 7 HGT Geopotential height gpm 10 TOZNE Total ozone Dobson 11 TMP Temperature K 13 POT Potential temperature K 27 GPA Geopotential height anomaly gpm 33 U GRD u-component of wind m s^-1 34 V GRD v-component of wind m s^-1 39 V VEL Vertical velocity (pressure) Pa s^-1 41 ABS V Absolute vorticity s^-1 51 SPF H Specific humidity kg kg^-1 52 R H Relative humidity % 54 P WAT Precipitable water kg m^-2 65 WEASD Water equivalent of accumulated snow depth kg m^-2 71 T CDC Total cloud cover % 81 LAND Land cover fraction 91 ICE C Ice concentration fraction 131 LFT X Surface lifted index K 132 4LFTX Best (4 layer) lifted index K 136 VW SH Vertical speed shear s^-1 144 SOILW Volumetric soil moisture content fraction 154 O3MR Ozone mixing ratio kg kg^-1 156 CIN Convective inhibition J kg^-1 157 CAPE Convective available potential energy J kg^-1 221 HPBL Planetary boundary layer height m 222 5WAVH 5-wave geopotential height gpm 230 5WAVA 5-wave geopotential height anomaly NCEP Parameter Code Table 2 1 PRES Pressure Pa 2 PRMSL Pressure reduced to MSL Pa 7 HGT Geopotential height gpm 10 TOZNE Total ozone Dobson 11 TMP Temperature K 13 POT Potential temperature K 15 TMAX Maximum temperature K 16 TMIN Minimum temperature K 27 GPA Geopotential height anomaly gpm 33 UGRD u-component of wind m s^-1 34 VGRD v-component of wind m s^-1 39 VVEL Vertical velocity (pressure) Pa s^-1 41 ABSV Absolute vorticity s^-1 51 SPFH Specific humidity kg kg^-1 52 RH Relative humidity % 54 PWAT Precipitable water kg m^-2 65 WEASD Water equivalent of accumulated snow depth kg m^-2 71 TCDC Total cloud cover % 76 C WAT Cloud water kg m^-2 81 LAND Land cover fraction 91 ICEC Ice cover fraction 131 LFTX Surface lifted index K 132 4LFTX Best (4 layer) lifted index K 136 VSSH Vertical speed shear s^-1 144 SOILW Volumetric soil moisture content fraction 153 CLWMR Cloud water mixing ratio kg kg^-1 154 O3MR Ozone mixing ratio kg kg^-1 156 CIN Convective inhibition J kg^-1 157 CAPE Convective available potential energy J kg^-1 221 HPBL Planetary boundary layer height m 222 5WAVH 5-wave geopotential height gpm 230 5WAVA 5-wave geopotential height anomaly