[gradsusr] Constant field. Value = 0
Wendell Farias
wendellrgf at yahoo.com.br
Thu Jun 17 21:11:55 EDT 2010
Dear users,
I'm using WRF model and ARWpost to create output in Grads. I have interest in some variables how LATENT HEAT FLUX AT THE SURFACE (W m-2), but the result showed by Grads is: "Constant field. Value = 0". Somebody knows what is happend? Below I put the description of the variables of ctl.
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tdef 10 linear 12Z17MAY2010 60MN
VARS 123
LU_INDEX 1 0 LAND USE CATEGORY (-)
U 19 0 x-wind component (m s-1)
V 19 0 y-wind component (m s-1)
W 19 0 z-wind component (m s-1)
PH 19 0 perturbation geopotential (m2 s-2)
PHB 19 0 base-state geopotential (m2 s-2)
T 19 0 perturbation potential temperature (theta-t0) (K)
MU 1 0 perturbation dry air mass in column (Pa)
MUB 1 0 base state dry air mass in column (Pa)
NEST_POS 1 0 NEST_POS (-)
P 19 0 perturbation pressure (Pa)
PB 19 0 BASE STATE PRESSURE (Pa)
SR 1 0 fraction of frozen precipitation (-)
POTEVP 1 0 accumulated potential evaporation (W m-2)
SNOPCX 1 0 snow phase change heat flux (W m-2)
SOILTB 1 0 bottom soil temperature (K)
Q2 1 0 QV at 2 M (kg kg-1)
T2 1 0 TEMP at 2 M (K)
TH2 1 0 POT TEMP at 2 M (K)
PSFC 1 0 SFC PRESSURE (Pa)
U10 1 0 U at 10 M (m s-1)
V10 1 0 V at 10 M (m s-1)
QVAPOR 19 0 Water vapor mixing ratio (kg kg-1)
QCLOUD 19 0 Cloud water mixing ratio (kg kg-1)
QRAIN 19 0 Rain water mixing ratio (kg kg-1)
LANDMASK 1 0 LAND MASK (1 FOR LAND, 0 FOR WATER) (-)
TSLB 5 0 SOIL TEMPERATURE (K)
SMOIS 5 0 SOIL MOISTURE (m3 m-3)
SH2O 5 0 SOIL LIQUID WATER (m3 m-3)
SEAICE 1 0 SEA ICE FLAG (-)
XICEM 1 0 SEA ICE FLAG (PREVIOUS STEP) (-)
SFROFF 1 0 SURFACE RUNOFF (mm)
UDROFF 1 0 UNDERGROUND RUNOFF (mm)
IVGTYP 1 0 DOMINANT VEGETATION CATEGORY (-)
ISLTYP 1 0 DOMINANT SOIL CATEGORY (-)
VEGFRA 1 0 VEGETATION FRACTION (-)
GRDFLX 1 0 GROUND HEAT FLUX (W m-2)
ACGRDFLX 1 0 ACCUMULATED GROUND HEAT FLUX (J m-2)
SNOW 1 0 SNOW WATER EQUIVALENT (kg m-2)
SNOWH 1 0 PHYSICAL SNOW DEPTH (m)
RHOSN 1 0 SNOW DENSITY (kg m-3)
CANWAT 1 0 CANOPY WATER (kg m-2)
SST 1 0 SEA SURFACE TEMPERATURE (K)
SSTSK 1 0 SKIN SEA SURFACE TEMPERATURE (K)
LAI 1 0 Leaf area index (area/area)
Z0 1 0 Background ROUGHNESS LENGTH (m)
VAR 1 0 OROGRAPHIC VARIANCE (-)
CON 1 0 OROGRAPHIC CONVEXITY (-)
OA1 1 0 OROGRAPHIC DIRECTION ASYMMETRY FUNCTION (-)
OA2 1 0 OROGRAPHIC DIRECTION ASYMMETRY FUNCTION (-)
OA3 1 0 OROGRAPHIC DIRECTION ASYMMETRY FUNCTION (-)
OA4 1 0 OROGRAPHIC DIRECTION ASYMMETRY FUNCTION (-)
OL1 1 0 OROGRAPHIC DIRECTION ASYMMETRY FUNCTION (-)
OL2 1 0 OROGRAPHIC DIRECTION ASYMMETRY FUNCTION (-)
OL3 1 0 OROGRAPHIC DIRECTION ASYMMETRY FUNCTION (-)
OL4 1 0 OROGRAPHIC DIRECTION ASYMMETRY FUNCTION (-)
MAPFAC_M 1 0 Map scale factor on mass grid (-)
MAPFAC_MX 1 0 Map scale factor on mass grid, x direction (-)
MAPFAC_MY 1 0 Map scale factor on mass grid, y direction (-)
MF_VX_INV 1 0 Inverse map scale factor on v-grid, x direction (-)
F 1 0 Coriolis sine latitude term (s-1)
E 1 0 Coriolis cosine latitude term (s-1)
SINALPHA 1 0 Local sine of map rotation (-)
COSALPHA 1 0 Local cosine of map rotation (-)
HGT 1 0 Terrain Height (m)
HGT_SHAD 1 0 Height of orographic shadow (m)
TSK 1 0 SURFACE SKIN TEMPERATURE (K)
RAINC 1 0 ACCUMULATED TOTAL CUMULUS PRECIPITATION (mm)
RAINNC 1 0 ACCUMULATED TOTAL GRID SCALE PRECIPITATION (mm)
I_RAINC 1 0 BUCKET FOR RAINC (-)
I_RAINNC 1 0 BUCKET FOR RAINNC (-)
SNOWNC 1 0 ACCUMULATED TOTAL GRID SCALE SNOW AND ICE (mm)
GRAUPELNC 1 0 ACCUMULATED TOTAL GRID SCALE GRAUPEL (mm)
EDT_OUT 1 0 EDT FROM GD SCHEME (-)
SWDOWN 1 0 DOWNWARD SHORT WAVE FLUX AT GROUND SURFACE (W m-2)
GLW 1 0 DOWNWARD LONG WAVE FLUX AT GROUND SURFACE (W m-2)
OLR 1 0 TOA OUTGOING LONG WAVE (W m-2)
XLAT 1 0 LATITUDE, SOUTH IS NEGATIVE (degree_north)
XLONG 1 0 LONGITUDE, WEST IS NEGATIVE (degree_east)
ALBEDO 1 0 ALBEDO (-)
ALBBCK 1 0 BACKGROUND ALBEDO (-)
EMISS 1 0 SURFACE EMISSIVITY (-)
NOAHRES 1 0 RESIDUAL OF THE NOAH SURFACE ENERGY BUDGET (W m{-2})
TMN 1 0 SOIL TEMPERATURE AT LOWER BOUNDARY (K)
XLAND 1 0 LAND MASK (1 FOR LAND, 2 FOR WATER) (-)
UST 1 0 U* IN SIMILARITY THEORY (m s-1)
PBLH 1 0 PBL HEIGHT (m)
HFX 1 0 UPWARD HEAT FLUX AT THE SURFACE (W m-2)
QFX 1 0 UPWARD MOISTURE FLUX AT THE SURFACE (kg m-2 s-1)
LH 1 0 LATENT HEAT FLUX AT THE SURFACE (W m-2)
ACHFX 1 0 ACCUMULATED UPWARD HEAT FLUX AT THE SURFACE (J m-2)
ACLHF 1 0 ACCUMULATED UPWARD LATENT HEAT FLUX AT THE SURFACE (J m-2)
SNOWC 1 0 FLAG INDICATING SNOW COVERAGE (1 FOR SNOW COVER) (-)
pressure 19 0 Model pressure (hPa)
geopt 19 0 Geopotential (m2/s2)
height 19 0 Model height (km)
tk 19 0 Temperature (K)
tc 19 0 Temperature (C)
theta 19 0 Potential Temperature (K)
td 19 0 Dewpoint Temperature (C)
td2 1 0 Dewpoint Temperature at 2m (C)
rh 19 0 Relative Humidity (%)
clflo 1 0 Low Cloud Fraction (%)
clfmi 1 0 Mid Cloud Fraction (%)
clfhi 1 0 High Cloud Fraction (%)
rh2 1 0 Relative Humidity at 2m (%)
wspd 19 0 Wind Speed (m s-1)
wdir 19 0 Wind Direction (Degrees)
ws10 1 0 Wind Speed at 10 M (m s-1)
wd10 1 0 Wind Direction at 10 M (Degrees)
umet 19 0 Rotated wind component (m s-1)
vmet 19 0 Rotated wind component (m s-1)
u10m 1 0 Rotated wind component (m s-1)
v10m 1 0 Rotated wind component (m s-1)
slp 1 0 Sea Levelp Pressure (hPa)
dbz 19 0 Reflectivity (-)
max_dbz 1 0 Max Reflectivity (-)
cape 19 0 CAPE (J/kg)
cin 19 0 CIN (J/kg)
mcape 1 0 MCAPE (J/kg)
mcin 1 0 MCIN (J/kg)
lcl 1 0 LCL (meters AGL)
lfc 1 0 LFC (meters AGL)
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Thank you advanced.
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