| Parameter Code | Short Name | Description | Units |
|---|
| 1 | PRES | Pressure | Pa |
| 2 | PRMSL | Pressure reduced to MSL | Pa |
| 7 | HGT | Geopotential height | gpm |
| 11 | TMP | Temp. | K |
| 13 | POT | Potential temp. | K |
| 17 | DPT | Dew point temp. | K |
| 20 | VIS | Visibility | m |
| 33 | UGRD | u wind | m s-1 |
| 34 | VGRD | v wind | m s-1 |
| 39 | VVEL | Pressure vertical velocity | Pa s-1 |
| 51 | SPFH | Specific humidity | kg kg-1 |
| 52 | RH | Relative humidity | % |
| 54 | PWAT | Precipitable water | kg m-2 |
| 57 | EVP | Evaporation | kg m-2 |
| 59 | PRATE | Precipitation rate | kg m-2 s-1 |
| 61 | APCP | Total precipitation | kg m-2 |
| 63 | ACPCP | Convective precipitation | kg m-2 |
| 65 | WEASD | Accum. snow | kg m-2 |
| 66 | SNOD | Snow depth | m |
| 71 | TCDC | Total cloud cover | % |
| 72 | CDCON | Convective cloud cover | % |
| 73 | LCDC | Low level cloud cover | % |
| 74 | MCDC | Mid level cloud cover | % |
| 75 | HCDC | High level cloud cover | % |
| 84 | ALBDO | Albedo | % |
| 85 | TSOIL | Soil temp. | K |
| 86 | SOILM | Soil moisture content | kg m-2 |
| 87 | VEG | Vegetation | % |
| 99 | SNOM | Snow melt | kg m-2 |
| 121 | LHTFL | Latent heat flux | W m-2 |
| 122 | SHTFL | Sensible heat flux | W m-2 |
| 130 | MSLET | Mean sea level pressure (ETA model) | Pa |
| 131 | LFTX | Surface lifted index | K |
| 132 | 4LFTX | Best (4-layer) lifted index | K |
| 134 | PRESN | Pressure (nearest grid point) | Pa |
| 135 | MCONV | Horizontal moisture divergence | kg kg-1 s-1 |
| 136 | VWSH | Vertical speed shear | 1 s-1 |
| 140 | CRAIN | Categorical rain | |
| 141 | CFRZR | Categorical freezing rain | |
| 142 | CICEP | Categorical ice pellets | |
| 143 | CSNOW | Categorical snow | |
| 144 | SOILW | Volumetric soil moisture (frozen + liquid) | |
| 153 | CLWMR | Cloud water | kg kg-1 |
| 155 | GFLUX | Ground Heat Flux | W m-2 |
| 156 | CIN | Convective inhibition | J kg-1 |
| 157 | CAPE | Convective available potential energy | J kg-1 |
| 158 | TKE | Turbulent Kinetic Energy | J kg-1 |
| 160 | SOILL | Liquid volumetric soil moisture (non-frozen) | |
| 178 | ICMR | Ice mixing ratio | kg kg-1 |
| 181 | CCOND | Canopy conductance | m s-1 |
| 190 | HLCY | Storm relative helicity | m2 s-2 |
| 196 | USTM | u-component of storm motion | m s-1 |
| 197 | VSTM | v-component of storm motion | m s-1 |
| 202 | APCPN | Total precipitation (nearest grid point) | kg m-2 |
| 204 | DSWRF | Downward shortwave radiation flux | W m-2 |
| 205 | DLWRF | Downward longwave radiation flux | W m-2 |
| 207 | MSTAV | Moisture availability | % |
| 208 | SFEXC | Exchange coefficient | (kg m-3)(m s-1) |
| 211 | USWRF | Upward short wave radiation flux | W m-2 |
| 212 | ULWRF | Upward long wave radiation flux | W m-2 |
| 213 | CDLYR | Non-convective cloud | % |
| 221 | HPBL | Planetary boundary layer height | m |
| 223 | CNWAT | Plant canopy surface water | kg m-2 |
| 226 | BMIXL | Blackadar's mixing length scale | m |
| 228 | PEVAP | Potential evaporation | kg m-2 |
| 229 | SNOHF | Snow phase-change heat flux | W m-2 |
| 232 | WVINC | water vapor added by precip assimilation | kg m-2 |
| 233 | WCINC | water condensate added by precip assimilaition | kg m-2 |
| 234 | BGRUN | Subsurface runoff (baseflow) | kg m-2 |
| 235 | SSRUN | Surface runoff (non-infiltrating) | kg m-2 |
| 237 | WVCONV | Water vapor flux convergence (vertical int) | kg m-2 |
| 238 | SNOWC | Snow cover | % |
| 241 | WCCONV | Water condensate flux convergence (vertical int) | kg m-2 |
| 242 | WVUFLX | Water vapor zonal flux (vertical int) | kg m-1 |
| 243 | WVVFLX | Water vapor meridional flux (vertical int) | kg m-1 |
| 244 | WCUFLX | Water condensate zonal flux (vertical int) | kg m-1 |
| 245 | WCVFLX | Water condensate meridional flux (vertical int) | kg m-1 |
| 246 | RCS | Solar parameter in canopy conductance | |
| 247 | RCT | Temperature parameter in canopy conductance | |
| 248 | RCQ | Humidity parameter in canopy conductance | |
| 249 | RCSOL | Soil moisture parameter in canopy conductance | |
| 252 | CD | Surface drag coefficient | |
| 253 | FRICV | Surface friction velocity | m s-1 |
