RUC Table variable definitions for GRIB (note: * indicates NCEP needs to permanatly assign number) GRIB GRIB iparm ztype iz1 iz2 itr iscale ABBREV UNITS u-component of wind - b 33 109 1 U GRD m/s v-component of wind - b 34 109 1 V GRD m/s height - b 7 109 1 HGT gpm pressure - b 1 109 0 PRES Pa virtual potential temperature - b 189 109 2 VPTMP K water vapor mixing ratio - b 53 109 8 vertical velocity - b 39 109 1 V VEL Pa/s cloud water mixing ratio - b 153 109 6 CLWMR Kg/Kg rain water mixing ratio - b 170 109 6 Kg/Kg ice mixing ratio - b 178 109 6 kg/kg snow mixing ratio - b 171 109 6 kg/kg graupel mixing ratio - b 179 109 6 kg/kg number concentration for ice particles - b 198 109 -5 NCIP /m**3 turbulent kinetic energy - b 158 109 1 TKE J/kg MAPS mean sea level pressure 129 102 0 MSLMA Pa soil temperature at surface 85 1 2 TSOIL K sensible heat flux 122 1 1 SHTFL W/m**2 latent heat flux 121 1 1 LHTFL W/m**2 net longwave radiation at surface 112 1 1 NLWRS W/m**2 precipitation rate 59 1 5 PRATE kg/m**2/s resolvable scale precipitation 62 1 1 NCPCP kg/m**2 sub-grid scale precipitation 63 1 1 ACPCP kg/m**2 precipitable water 54 200 1 PWAT kg/m**2 pressure at tropopause 1 7 -1 PRES potential temperature at tropopause 13 7 1 POT K temperature at tropopause 11 7 1 TMP K u-component of wind at tropopause 33 7 1 U GRD m/s v-component of wind at tropopause 34 7 1 V GRD m/s surface convective available potential energy 157 1 0 CAPE J/kg surface convective inhibition 156 1 0 CIN J/Kg convective available potential energy 157 116 255 0 0 CAPE J/kg convective inhibition 156 116 255 0 0 CIN J/Kg soil temperature at level 1 below surface 85 111 5 2 TSOIL K soil temperature at level 2 below surface 85 111 20 2 TSOIL K soil temperature at level 3 below surface 85 111 40 2 TSOIL K soil temperature at level 4 below surface 85 111 160 2 TSOIL K soil temperature at the bottom 85 111 300 2 TSOIL K soil volumetric moisture content at surface 144 1 4 SOILW fraction soil volumetric moisture content at level 1 144 111 5 4 SOILW fraction soil volumetric moisture content at level 2 144 111 20 4 SOILW fraction soil volumetric moisture content at level 3 144 111 40 4 SOILW fraction soil volumetric moisture content at level 4 144 111 160 4 SOILW fraction soil volumetric moisture content at the bottom 144 111 300 4 SOILW fraction soil moisture content at surface 86 1 4 SOIL M kg/m**2 soil moisture content at level 1 86 111 5 4 SOIL M kg/m**2 soil moisture content at level 2 86 111 20 4 SOIL M kg/m**2 soil moisture content at level 3 86 111 40 4 SOIL M kg/m**2 soil moisture content at level 4 86 111 160 4 SOIL M kg/m**2 soil moisture content at the bottom 86 111 300 4 SOIL M kg/m**2 direct evaporation from bare soil 199 1 1 evaporation of canopy water 200 1 1 canopy water 223 1 2 C WAT kg/m**2 evapotranspiration flux 186* 1 1 water condensation rate near surface 187* 1 2 rate of water dropping from canopy to ground 188* 1 2 net longwave radiation at surface 112 1 1 NLWRS W/m**2 net shortwave radiation at surface 111 1 1 NSWRS W/m**2 snow accumulation 65 1 4 6 WEASD m snow accumulation - 3h 65 1 4 3 WEASD kg/m**2 snow depth 66 1 4 SNO D m surface runoff 235 1 2 SSRUN kg/m**2 sub-surface runoff 234* 111 300 2 BGRUN kg/m**2 height - p 7 100 1 HGHT gpm temperature - p 11 100 1 TMP K relative humidity - p 52 100 3 * R H u-component of wind - p 33 100 1 U GRD m/s v-component of wind - p 34 100 1 V GRD m/s vertical velocity - p 39 100 2 V VEL Pa/s cloud water mixing ratio - p 153 100 6 CLWMR Kg/Kg rain water mixing ratio - p 170* 100 6 Kg/Kg ice mixing ratio - p 178* 100 6 kg/kg snow mixing ratio - p 171* 100 6 kg/kg graupel mixing ratio - p 179* 100 6 kg/kg number concentration for ice particles - p 198* 100 -5 turbulent kinetic energy - p 158 100 1 TKE J/kg temperature - m1 11 116 30 0 1 TMP K relative humidity - m1 52 116 30 0 2 R H % u-component of wind - m1 33 116 30 0 1 U GRD m/s v-component of wind - m1 34 116 30 0 1 V GRD m/s vertical velocity - m1 39 116 30 0 2 V VEL Pa/s temperature - m2 11 116 60 30 1 TMP K relative humidity - m2 52 116 60 30 2 R H % u-component of wind - m2 33 116 60 30 1 U GRD m/s v-component of wind - m2 34 116 60 30 1 V GRD m/s vertical velocity - m2 39 116 60 30 2 V VEL Pa/s temperature - m3 11 116 90 60 1 TMP K relative humidity - m3 52 116 90 60 2 R H % u-component of wind - m3 33 116 90 60 1 U GRD m/s v-component of wind - m3 34 116 90 60 1 V GRD m/s vertical velocity - m3 39 116 90 60 2 V VEL Pa/s temperature - m4 11 116 120 90 1 TMP K relative humidity - m4 52 116 120 90 2 R H % u-component of wind - m4 33 116 120 90 1 U GRD m/s v-component of wind - m4 34 116 120 90 1 V GRD m/s vertical velocity - m4 39 116 120 90 2 V VEL Pa/s temperature - m5 11 116 150 120 1 TMP K relative humidity - m5 52 116 150 120 2 R H % u-component of wind - m5 33 116 150 120 1 U GRD m/s v-component of wind - m5 34 116 150 120 1 V GRD m/s vertical velocity - m5 39 116 150 120 2 V VEL Pa/s temperature - m6 11 116 180 150 1 TMP K relative humidity - m6 52 116 180 150 2 R H % u-component of wind - m6 33 116 180 150 1 U GRD m/s v-component of wind - m6 34 116 180 150 1 V GRD m/s vertical velocity - m6 39 116 180 150 2 V VEL Pa/s u-component of wind - s 33 105 10 1 U GRD m/s u-component of wind, 10m fixed height 33 105 10 1 U GRD m/s v-component of wind - s 34 105 10 1 V GRD m/s v-component of wind, 10m fixed height 34 105 10 1 V GRD m/s u-component of wind 33 1 1 U GRD m/s v-component of wind 34 1 1 V GRD m/s 3-hr pressure tendency - s 3 1 3 PTEND Pa/s 3-hr pressure tendency 3 1 3 PTEND Pa/s potential temperature 13 105 2 1 POT K potential temperature, 2m fixed height 13 105 2 1 POT K temperature - s 11 105 2 1 TMP K temperature, 2m fixed height 11 105 2 1 TMP K relative humidity - s 52 105 2 2 TMP K relative humidity, 2m fixed height 52 105 2 2 TMP K temperature 11 1 1 TMP K specific humidity 51 105 2 6 SPF H % specific humidity, 2m fixed height 51 105 2 6 SPF H % water vapor mixing ratio, 2m fixed height 53 105 2 6 dew point temperature 17 105 2 1 DPT K dew point temperature, 2m fixed height 17 105 2 1 DPT K dew point depression 18 105 2 1 DEPR K dew point depression, 2m fixed height 18 105 2 1 DEPR K MAPS mean sea level pressure 129 102 -1 MSLMA Pa altimeter setting 128 1 -1 MSLSA Pa equivalent potential temperature 14 1 1 EPOT K lifted index 131 1 1 LFT X K best lifted index 77 1 1 4LFTX K resolvable scale precipitation - 1h 62 1 9* 4 1 NCPCP kg/m**2 see writgg on iz1 value sub-grid scale precipitation - 1h 63 1 9* 4 1 ACPCP kg/m**2 resolvable scale precipitation - 3h 62 1 4 1 NCPCP kg/m**2 sub-grid scale precipitation - 3h 63 1 4 1 ACPCP kg/m**2 resolvable scale precipitation - acc 62 1 8 4 1 NCPCP kg/m**2 sub-grid scale precipitation - acc 63 1 8 4 1 ACPCP kg/m**2 categorical rain 140 1 0 CRAIN non-dim categorical freezing rain 141 1 0 CFRZR non-dim categorical ice pellets 142 1 0 CICEP non-dim categorical snow 143 1 0 CSNOW non-dim helicity 190 1 0 3000 0 HLCY m**2/s**2 storm-relative helicity - 3km 190 1 0 3000 0 HLCY m**2/s**2 storm-relative helicity - 1km 190 106 10 0 0 HLCY m**2/s**2 u-component of storm motion 196 1 1 USTM m/s v-component of storm motion 197 1 1 VSTM m/s pressure - frz 1 4 -2 PRES Pa height - frz 7 4 0 HGT gpm relative humidity - frz 52 4 2 R H % pressure at max wind level 1 6 -2 PRES Pa u-component of wind at max wind level 33 6 1 U GRD m/s v-component of wind at max wind level 34 6 1 V GRD m/s soil moisture availability 207 1 2 % montgomery stream function / gravity 171 109 2 condensation pressure 53 109 -2 earth surface pressure 1 1 1 earth surface height 7 1 0 total soil moisture content 86 112 300 0 1 maximum possible total soil moisture content 86 111 1 water equivalent of snow depth 65 1 5 water equivalent of snow depth - mm 65 1 1 temperature inside snow or top soil level 239 111 10 2 water vapor mixing ratio at surface 53 1 8 snow density 89 111 5 2 2 meter temperature 11 105 2 1 2 meter specific humidity 51 105 2 4 potential temperature at 10 m 13 105 10 1 specific humidity at 10 m 51 105 10 4 10 meter component u-wind 33 105 10 1 10 meter component v-wind 34 105 10 1 total precipitation accumulated 61 1 4 2 total convective precipitation accumulated 63 1 4 2 snow melt accumulated 99 1 4 2 surface runoff accumulated 235 1 4 2 time averaged soil heat flux 122 111 3 0 time averaged latent heat flux 121 1 3 0 time averaged sensible heat flux 122 1 3 0 time averaged momentum flux 172 1 3 0 time averaged top-of-atmosphere net longwave rad. flux 114 1 3 0 time averaged top-of-atmosphere net shortwave rad. flux 113 1 3 0 time averaged snow phase change heat flux 229 1 3 0 time averaged downward short wave rad. flux 204 1 3 0 time averaged downward long wave rad. flux 205 1 3 0 time averaged upward short wave rad. flux 211 1 3 0 time averaged upward long wave rad. flux 212 1 3 0 surface drag coefficient 252 1 3 surface albedo 84 1 2 low-level cloud cover percentage 73 0 2 mid-level cloud cover percentage 74 0 2 high-level cloud cover percentage 75 0 2 surface pressure at mini topography 1 1 -1 surface pressure 1 1 -1 700 hPa vertical velocity 39 100 700 5 height 7 100 0 temperature 11 100 1 relative humidity 52 100 2 u-component of wind 33 100 1 v-component of wind 34 100 1 pressure vertical velocity 39 100 2 potential vorticity 149 100 5 mean temperature 11 116 1 mean relative humidity 52 116 2 mean u-component of wind 33 116 1 mean v-component of wind 34 116 1 mean pressure vertical velocity 39 116 2 geopotential height at freezing level 7 4 0 pressure at freezing level 1 4 -2 relative humidity at freezing level 52 4 2 geopotential height at top freezing level 7 204 0 pressure at top freezing level 1 204 -2 relative humidity at top freezing level 52 204 2 pressure at max wind level 1 6 -2 u-component of wind at max wind level 33 6 1 v-component of wind at max wind level 34 6 1 250 hPa height 7 100 250 0 250 hPa u-wind component 33 100 250 1 250 hPa v-wind component 34 100 250 1 500 hPa height 7 100 500 0 500 hPa absolute vorticity 41 100 500 5 850 hPa height 7 100 850 0 850 hPa temperature 11 100 850 1 850 hPa specific humidity 51 100 850 4 850 hPa u-wind component 33 100 850 1 850 hPa v-wind component 34 100 850 1 1000 hPa height 7 100 1000 0 mean temperature in 1st 30hPa layer above ground 11 116 30 0 1 spec hum in 1st 30hPa layer above ground 51 116 30 0 4 u-wind component in 1st 30hPa layer above ground 33 116 30 0 1 v-wind component in 1st 30hPa layer above ground 34 116 30 0 1 snow temperature - snow or top soil level 239 111 5 2 skin temperature 11 1 2 horizontal moisture convergence 135 200 1 PBL height 221 1 0 gust wind speed 180 1 0 cloud base height 8 2 0 cloud top height 8 3 0 visibility 20 1 0 maximum equivalent potential temperature pressure 1 246 2 convective cloud top height 7 243 1 equilibrium level height 7 247 1 convective cloud mass flux 231 1 2 wet-bulb zero height 7 245 1 radar reflectivity - max 212 200 8 1 radar reflectivity - 1km 211 105 1000 8 1 radar reflectivity - 4km 211 105 4000 8 1 relative humidity w.r.t. precipitable water 223 200 8 2 soil type 224 1 0 vegetation type 225 1 0 land-water mask 81 1 0 ice cover 91 1 0 lapse rate 19 110 1 5 5