------------------------------------------------------------------------------------------------------------------ Eta SF forecast files: 3-hour first guess file: 3DYYMMDDhh/AWIPSF03.tmXX, where hh=00 or 12, XX=03,06,09; HH-X=HH-3 below 6-hour forecast files: 3DYYMMDDhh/AWIPSFYY.tm00, where YY=06,12,18,24,30,36,42,48; HH-X=HH-6 below 89 variable/level combinations in NCEP Eta SF forecast data. abbr unit Parm LTY LVL-1 LVL-2 P1 P2 TR ------------------------------------------------------------------------------------------------------------------ Pressure PRES Pa 1, 1, 0, 0 HH 00 000 Pressure PRES Pa 1,109, 1, 99999 HH 00 000 Pressure PRES Pa 1,116, 30, 0 HH 00 000 Geopotential height HGT gpm 7, 1, 0, 0 HH 00 000 Geopotential height HGT gpm 7, 4, 0, 0 HH 00 000 Geopotential height HGT gpm 7,100, 250, 99999 HH 00 000 Geopotential height HGT gpm 7,100, 500, 99999 HH 00 000 Geopotential height HGT gpm 7,100, 850, 99999 HH 00 000 Geopotential height HGT gpm 7,100, 1000, 99999 HH 00 000 Geopotential height HGT gpm 7,109, 1, 99999 HH 00 000 Temperature TMP K 11, 1, 0, 0 HH 00 000 Temperature TMP K 11,100, 850, 99999 HH 00 000 Temperature TMP K 11,105, 2, 99999 HH 00 000 Temperature TMP K 11,109, 1, 99999 HH 00 000 Temperature TMP K 11,116, 30, 0 HH 00 000 u wind UGRD m/s 33,100, 250, 99999 HH 00 000 u wind UGRD m/s 33,100, 850, 99999 HH 00 000 u wind UGRD m/s 33,105, 10, 99999 HH 00 000 u wind UGRD m/s 33,109, 1, 99999 HH 00 000 u wind UGRD m/s 33,116, 30, 0 HH 00 000 v wind VGRD m/s 34,100, 250, 99999 HH 00 000 v wind VGRD m/s 34,100, 850, 99999 HH 00 000 v wind VGRD m/s 34,105, 10, 99999 HH 00 000 v wind VGRD m/s 34,109, 1, 99999 HH 00 000 v wind VGRD m/s 34,116, 30, 0 HH 00 000 Pressure vertical velocity VVEL Pa/s 39,100, 700, 99999 HH 00 000 Absolute vorticity ABSV /s 41,100, 500, 99999 HH 00 000 Specific humidity SPFH kg/kg 51,100, 850, 99999 HH 00 000 Specific humidity SPFH kg/kg 51,105, 2, 99999 HH 00 000 Specific humidity SPFH kg/kg 51,109, 1, 99999 HH 00 000 Specific humidity SPFH kg/kg 51,116, 30, 0 HH 00 000 Precipitable water PWAT kg/m^2 54,200, 0, 99999 HH 00 000 Evaporation EVP kg/m^2 57, 1, 0, 0 HH-X HH 004 Total precipitation APCP kg/m^2 61, 1, 0, 0 HH-X HH 004 Convective precipitation ACPCP kg/m^2 63, 1, 0, 0 HH-X HH 004 Water equiv. of accum. snow depth WEASD kg/m^2 65, 1, 0, 0 HH-X HH 004 Water equiv. of accum. snow depth WEASD kg/m^2 65, 1, 0, 0 HH 00 000 Total cloud cover TCDC % 71,200, 0, 99999 HH-X HH 003 Total cloud cover TCDC % 71,200, 0, 99999 HH 00 000 Low level cloud cover LCDC % 73,214, 0, 0 HH 00 000 Mid level cloud cover MCDC % 74,224, 0, 0 HH 00 000 High level cloud cover HCDC % 75,234, 0, 0 HH 00 000 Land-sea mask (land=1;sea=0) LAND fraction 81, 1, 0, 0 HH 00 000 Albedo ALBDO % 84, 1, 0, 0 HH 00 000 Soil temperature TSOIL K 85,111, 300, 99999 HH 00 000 Soil temperature TSOIL K 85,112, 0, 10 HH 00 000 Soil temperature TSOIL K 85,112, 10, 200 HH 00 000 Soil moisture content SOILM kg/m^2 86,112, 0, 200 HH 00 000 Vegetation VEG % 87, 1, 0, 0 HH 00 000 Snow melt SNOM kg/m^2 99, 1, 0, 0 HH-X HH 004 Latent heat flux LHTFL W/m^2 121, 1, 0, 0 HH-X HH 003 Latent heat flux LHTFL W/m^2 121, 1, 0, 0 HH 00 000 Sensible heat flux SHTFL W/m^2 122, 1, 0, 0 HH-X HH 003 Sensible heat flux SHTFL W/m^2 122, 1, 0, 0 HH 00 000 Zonal component of momentum flux UFLX N/m^2 124, 1, 0, 0 HH 00 000 Meridional component of momentum flux VFLX N/m^2 125, 1, 0, 0 HH 00 000 Mean sea level pressure (ETA model) MSLET Pa 130,102, 0, 0 HH 00 000 Best (4-layer) lifted index 4LFTX K 132,116, 180, 0 HH 00 000 Horizontal moisture divergence MCONV kg/kg/s 135,100, 850, 99999 HH 00 000 Categorical rain (yes=1;no=0) CRAIN non-dim 140, 1, 0, 0 HH 00 000 Categorical freezing rain (yes=1;no=0) CFRZR non-dim 141, 1, 0, 0 HH 00 000 Categorical ice pellets (yes=1;no=0) CICEP non-dim 142, 1, 0, 0 HH 00 000 Categorical snow (yes=1;no=0) CSNOW non-dim 143, 1, 0, 0 HH 00 000 Volumetric soil moisture content SOILW fraction 144,112, 0, 10 HH 00 000 Volumetric soil moisture content SOILW fraction 144,112, 10, 200 HH 00 000 Ground heat flux GFLUX W/m^2 155, 1, 0, 0 HH-X HH 003 Convective inhibition CIN J/kg 156, 1, 0, 0 HH 00 000 Convective inhibition CIN J/kg 156,116, 180, 0 HH 00 000 Convective Available Potential Energy CAPE J/kg 157, 1, 0, 0 HH 00 000 Convective Available Potential Energy CAPE J/kg 157,116, 180, 0 HH 00 000 Momentum flux MFLX N/m^2 172, 1, 0, 0 HH-X HH 003 downward short wave rad. flux DSWRF W/m^2 204, 1, 0, 0 HH-X HH 003 downward short wave rad. flux DSWRF W/m^2 204, 1, 0, 0 HH 00 000 downward long wave rad. flux DLWRF W/m^2 205, 1, 0, 0 HH-X HH 003 downward long wave rad. flux DLWRF W/m^2 205, 1, 0, 0 HH 00 000 Moisture availability MSTAV % 207,112, 0, 200 HH 00 000 Exchange coefficient SFEXC (kg/m3)(m/ 208, 1, 0, 0 HH 00 000 Upward short wave rad. flux USWRF W/m^2 211, 1, 0, 0 HH-X HH 003 Upward short wave rad. flux USWRF W/m^2 211, 1, 0, 0 HH 00 000 Upward short wave rad. flux USWRF W/m^2 211, 8, 0, 0 HH-X HH 003 Upward long wave rad. flux ULWRF W/m^2 212, 1, 0, 0 HH-X HH 003 Upward long wave rad. flux ULWRF W/m^2 212, 1, 0, 0 HH 00 000 Upward long wave rad. flux ULWRF W/m^2 212, 8, 0, 0 HH-X HH 003 Plant canopy surface water CNWAT kg/m^2 223, 1, 0, 0 HH 00 000 Potential evaporation PEVAP kg/m^2 228, 1, 0, 0 HH-X HH 004 Snow phase-change heat flux SNOHF W/m^2 229, 1, 0, 0 HH-X HH 003 Baseflow-groundwater runoff BGRUN kg/m^2 234, 1, 0, 0 HH-X HH 004 Storm surface runoff SSRUN kg/m^2 235, 1, 0, 0 HH-X HH 004 Drag coefficient CD dimensionl 252, 1, 0, 0 HH 00 000 ------------------------------------------------------------------------------------------------------------------