求助如何利用NCEP资料grid格式数据文件和grads生成天气形势...

chengxing

这是生成的ctl文件的内容，麻烦各位气象专业的同学帮忙看看，能不能生成高度场的图，该怎么编程
dset D:/test/data.grib2
index D:/test/data.grib2.idx
undef 9.999E+20
title D:/test/data.grib2
*  produced by g2ctl v0.0.3d
* griddef=1:0:(360 x 181):grid_template=0:winds(N/S): lat-lon grid:(360 x 181) units 1e-06 input WE:NS output WE:SN res 48 lat 90.000000 to -90.000000 by 1.000000 lon 0.000000 to 359.000000 by 1.000000 #points=65160

dtype grib2
ydef 181 linear -90.000000 1
xdef 360 linear 0.000000 1.000000
tdef 1 linear 12Z02dec2013 1mo
*  z has 26 levels -prs
zdef 26 levels 100000 97500 95000 92500 90000 85000 80000 75000 70000 65000 60000 55000 50000 45000 40000 35000 30000 25000 20000 15000 10000 7000 5000 3000 2000 1000
options pascals
vars 98
no4LFTXsfc  0,1,0   0,7,193 ** surface none Best (4 layer) Lifted Index [K]
no5WAVA500mb  0,100,50000   0,3,197 ** 500 mb none 5-Wave Geopotential Height Anomaly [gpm]
no5WAVH500mb  0,100,50000   0,3,193 ** 500 mb none 5-Wave Geopotential Height [gpm]
ABSVprs   26,100  0,2,10 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none Absolute Vorticity [1/s]
CAPEsfc  0,1,0   0,7,6 ** surface none Convective Available Potential Energy [J/kg]
CAPE180_0mb 0,108,18000,0   0,7,6 ** 180-0 mb above ground none Convective Available Potential Energy [J/kg]
CINsfc  0,1,0   0,7,7 ** surface none Convective Inhibition [J/kg]
CIN180_0mb 0,108,18000,0   0,7,7 ** 180-0 mb above ground none Convective Inhibition [J/kg]
CLWMRprs   21,100  0,1,22 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100) none Cloud Mixing Ratio [kg/kg]
CWATclm  0,200,0   0,6,6 ** entire atmosphere (considered as a single layer) none Cloud Water [kg/m^2]
GPA1000mb  0,100,100000   0,3,9 ** 1000 mb none Geopotential Height Anomaly [gpm]
GPA500mb  0,100,50000   0,3,9 ** 500 mb none Geopotential Height Anomaly [gpm]
HGTsfc  0,1,0   0,3,5 ** surface none Geopotential Height [gpm]
HGTprs   26,100  0,3,5 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none Geopotential Height [gpm]
HGTneg2pv  0,109,-2e-06   0,3,5 ** PV=-2e-06 (Km^2/kg/s) surface none Geopotential Height [gpm]
HGT2pv  0,109,2e-06   0,3,5 ** PV=2e-06 (Km^2/kg/s) surface none Geopotential Height [gpm]
HGTtop0C  0,204,0   0,3,5 ** highest tropospheric freezing level none Geopotential Height [gpm]
HGT0C  0,4,0   0,3,5 ** 0C isotherm none Geopotential Height [gpm]
HGTmwl  0,6,0   0,3,5 ** max wind none Geopotential Height [gpm]
HGTtrop  0,7,0   0,3,5 ** tropopause none Geopotential Height [gpm]
HPBLsfc  0,1,0   0,3,196 ** surface none Planetary Boundary Layer Height [m]
ICECsfc  0,1,0   10,2,0 ** surface none Ice Cover [Proportion]
LANDsfc  0,1,0   2,0,0 ** surface none Land Cover (1=land, 0=sea) [Proportion]
LFTXsfc  0,1,0   0,7,192 ** surface none Surface Lifted Index [K]
O3MRprs   26,100  0,14,192 ** (100 70 50 30 20 10) none Ozone Mixing Ratio [kg/kg]
PEVPRsfc  0,1,0   0,1,200 ** surface none Potential Evaporation Rate [W/m^2]
POTsig995  0,104,0.995   0,0,2 ** 0.995 sigma level none Potential Temperature [K]
PRESsfc  0,1,0   0,3,0 ** surface none Pressure [Pa]
PRESmsl  0,101,0   0,3,0 ** mean sea level none Pressure [Pa]
PRESneg2pv  0,109,-2e-06   0,3,0 ** PV=-2e-06 (Km^2/kg/s) surface none Pressure [Pa]
PRES2pv  0,109,2e-06   0,3,0 ** PV=2e-06 (Km^2/kg/s) surface none Pressure [Pa]
PRESmwl  0,6,0   0,3,0 ** max wind none Pressure [Pa]
PREStrop  0,7,0   0,3,0 ** tropopause none Pressure [Pa]
PRMSLmsl  0,101,0   0,3,1 ** mean sea level none Pressure Reduced to MSL [Pa]
PWATclm  0,200,0   0,1,3 ** entire atmosphere (considered as a single layer) none Precipitable Water [kg/m^2]
RHprs   21,100  0,1,1 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100) none Relative Humidity [%]
RH2m  0,103,2   0,1,1 ** 2 m above ground none Relative Humidity [%]
RHsg330_1000 0,104,0.33,1   0,1,1 ** 0.33-1 sigma layer none Relative Humidity [%]
RHsg440_1000 0,104,0.44,1   0,1,1 ** 0.44-1 sigma layer none Relative Humidity [%]
RHsg720_940 0,104,0.72,0.94   0,1,1 ** 0.72-0.94 sigma layer none Relative Humidity [%]
RHsg440_720 0,104,0.44,0.72   0,1,1 ** 0.44-0.72 sigma layer none Relative Humidity [%]
RHsig995  0,104,0.995   0,1,1 ** 0.995 sigma level none Relative Humidity [%]
RH30_0mb 0,108,3000,0   0,1,1 ** 30-0 mb above ground none Relative Humidity [%]
RHclm  0,200,0   0,1,1 ** entire atmosphere (considered as a single layer) none Relative Humidity [%]
RHtop0C  0,204,0   0,1,1 ** highest tropospheric freezing level none Relative Humidity [%]
RH0C  0,4,0   0,1,1 ** 0C isotherm none Relative Humidity [%]
SOILW0_10cm 0,106,0,0.1   2,0,192 ** 0-0.1 m below ground none Volumetric Soil Moisture Content [Fraction]
SOILW10_40cm 0,106,0.1,0.4   2,0,192 ** 0.1-0.4 m below ground none Volumetric Soil Moisture Content [Fraction]
SOILW40_100cm 0,106,0.4,1   2,0,192 ** 0.4-1 m below ground none Volumetric Soil Moisture Content [Fraction]
SOILW100_200cm 0,106,1,2   2,0,192 ** 1-2 m below ground none Volumetric Soil Moisture Content [Fraction]
SPFH2m  0,103,2   0,1,0 ** 2 m above ground none Specific Humidity [kg/kg]
SPFH30_0mb 0,108,3000,0   0,1,0 ** 30-0 mb above ground none Specific Humidity [kg/kg]
TCDCccll  0,244,0   0,6,1 ** convective cloud layer none Total Cloud Cover [%]
TMPsfc  0,1,0   0,0,0 ** surface none Temperature [K]
TMPprs   26,100  0,0,0 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none Temperature [K]
TMP_457m  0,102,457   0,0,0 ** 457 m above mean sea level none Temperature [K]
TMP_914m  0,102,914   0,0,0 ** 914 m above mean sea level none Temperature [K]
TMP_1524m  0,102,1524   0,0,0 ** 1524 m above mean sea level none Temperature [K]
TMP2m  0,103,2   0,0,0 ** 2 m above ground none Temperature [K]
TMPsig995  0,104,0.995   0,0,0 ** 0.995 sigma level none Temperature [K]
TMP0_10cm 0,106,0,0.1   0,0,0 ** 0-0.1 m below ground none Temperature [K]
TMP10_40cm 0,106,0.1,0.4   0,0,0 ** 0.1-0.4 m below ground none Temperature [K]
TMP40_100cm 0,106,0.4,1   0,0,0 ** 0.4-1 m below ground none Temperature [K]
TMP100_200cm 0,106,1,2   0,0,0 ** 1-2 m below ground none Temperature [K]
TMP30_0mb 0,108,3000,0   0,0,0 ** 30-0 mb above ground none Temperature [K]
TMPneg2pv  0,109,-2e-06   0,0,0 ** PV=-2e-06 (Km^2/kg/s) surface none Temperature [K]
TMP2pv  0,109,2e-06   0,0,0 ** PV=2e-06 (Km^2/kg/s) surface none Temperature [K]
TMPmwl  0,6,0   0,0,0 ** max wind none Temperature [K]
TMPtrop  0,7,0   0,0,0 ** tropopause none Temperature [K]
TOZNEclm  0,200,0   0,14,0 ** entire atmosphere (considered as a single layer) none Total Ozone [Dobson]
UGRDprs   26,100  0,2,2 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none U-Component of Wind [m/s]
UGRD_457m  0,102,457   0,2,2 ** 457 m above mean sea level none U-Component of Wind [m/s]
UGRD_914m  0,102,914   0,2,2 ** 914 m above mean sea level none U-Component of Wind [m/s]
UGRD_1524m  0,102,1524   0,2,2 ** 1524 m above mean sea level none U-Component of Wind [m/s]
UGRD10m  0,103,10   0,2,2 ** 10 m above ground none U-Component of Wind [m/s]
UGRDsig995  0,104,0.995   0,2,2 ** 0.995 sigma level none U-Component of Wind [m/s]
UGRD30_0mb 0,108,3000,0   0,2,2 ** 30-0 mb above ground none U-Component of Wind [m/s]
UGRDneg2pv  0,109,-2e-06   0,2,2 ** PV=-2e-06 (Km^2/kg/s) surface none U-Component of Wind [m/s]
UGRD2pv  0,109,2e-06   0,2,2 ** PV=2e-06 (Km^2/kg/s) surface none U-Component of Wind [m/s]
UGRDmwl  0,6,0   0,2,2 ** max wind none U-Component of Wind [m/s]
UGRDtrop  0,7,0   0,2,2 ** tropopause none U-Component of Wind [m/s]
VGRDprs   26,100  0,2,3 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none V-Component of Wind [m/s]
VGRD_457m  0,102,457   0,2,3 ** 457 m above mean sea level none V-Component of Wind [m/s]
VGRD_914m  0,102,914   0,2,3 ** 914 m above mean sea level none V-Component of Wind [m/s]
VGRD_1524m  0,102,1524   0,2,3 ** 1524 m above mean sea level none V-Component of Wind [m/s]
VGRD10m  0,103,10   0,2,3 ** 10 m above ground none V-Component of Wind [m/s]
VGRDsig995  0,104,0.995   0,2,3 ** 0.995 sigma level none V-Component of Wind [m/s]
VGRD30_0mb 0,108,3000,0   0,2,3 ** 30-0 mb above ground none V-Component of Wind [m/s]
VGRDneg2pv  0,109,-2e-06   0,2,3 ** PV=-2e-06 (Km^2/kg/s) surface none V-Component of Wind [m/s]
VGRD2pv  0,109,2e-06   0,2,3 ** PV=2e-06 (Km^2/kg/s) surface none V-Component of Wind [m/s]
VGRDmwl  0,6,0   0,2,3 ** max wind none V-Component of Wind [m/s]
VGRDtrop  0,7,0   0,2,3 ** tropopause none V-Component of Wind [m/s]
VVELprs   21,100  0,2,8 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100) none Vertical Velocity (Pressure) [Pa/s]
VVELsig995  0,104,0.995   0,2,8 ** 0.995 sigma level none Vertical Velocity (Pressure) [Pa/s]
VWSHneg2pv  0,109,-2e-06   0,2,192 ** PV=-2e-06 (Km^2/kg/s) surface none Vertical speed sheer [1/s]
VWSH2pv  0,109,2e-06   0,2,192 ** PV=2e-06 (Km^2/kg/s) surface none Vertical speed sheer [1/s]
VWSHtrop  0,7,0   0,2,192 ** tropopause none Vertical speed sheer [1/s]
WEASDsfc  0,1,0   0,1,13 ** surface none Water Equivalent of Accumulated Snow Depth [kg/m^2]
ENDVARS