<div dir="ltr"><pre>Dear Users
><i>I am using ARW post to create .ctl and .dat files for the GrADS.
</i>><i>Now I want to extract some parameters from the .dat file for some particular
</i>><i>locations.<br></i><i>I am giving the .ctl file for your reference.dset ^dom3.dat
</i>><i>options byteswapped
</i>><i>undef 1.e30
</i>><i>title OUTPUT FROM WRF V3.2.1 MODEL
</i>><i>pdef 129 144 lcc 31.672 78.135 65.000 72.500 30.00000 10.00000 77.00000 9000.000
</i>><i>9000.000
</i>><i>xdef 331 linear 71.47070 0.04054054
</i>><i>ydef 306 linear 25.33539 0.04054054
</i>><i>zdef 19 levels
</i>><i>1000.00000
</i>><i>950.00000
</i>><i>900.00000
</i>><i>850.00000
</i>><i>800.00000
</i>><i>750.00000
</i>><i>700.00000
</i>><i>650.00000
</i>><i>600.00000
</i>><i>550.00000
</i>><i>500.00000
</i>><i>450.00000
</i>><i>400.00000
</i>><i>350.00000
</i>><i>300.00000
</i>><i>250.00000
</i>><i>200.00000
</i>><i>150.00000
</i>><i>100.00000
</i>><i>tdef 41 linear 00Z26OCT2010 180MN
</i>><i>VARS 27
</i>><i>LU_INDEX 1 0 LAND USE CATEGORY (-)
</i>><i>U 19 0 x-wind component (m s-1)
</i>><i>V 19 0 y-wind component (m s-1)
</i>><i>W 19 0 z-wind component (m s-1)
</i>><i>PH 19 0 perturbation geopotential (m2 s-2)
</i>><i>PHB 19 0 base-state geopotential (m2 s-2)
</i>><i>T 19 0 perturbation potential temperature (theta-t0) (K)
</i>><i>MU 1 0 perturbation dry air mass in column (Pa)
</i>><i>MUB 1 0 base state dry air mass in column (Pa)
</i>><i>P 19 0 perturbation pressure (Pa)
</i>><i>PB 19 0 BASE STATE PRESSURE (Pa)
</i>><i>T2 1 0 TEMP at 2 M (K)
</i>><i>TH2 1 0 POT TEMP at 2 M (K)
</i>><i>PSFC 1 0 SFC PRESSURE (Pa)
</i>><i>U10 1 0 U at 10 M (m s-1)
</i>><i>V10 1 0 V at 10 M (m s-1)
</i>><i>LANDMASK 1 0 LAND MASK (1 FOR LAND, 0 FOR WATER) (-)
</i>><i>VEGFRA 1 0 VEGETATION FRACTION (-)
</i>><i>SST 1 0 SEA SURFACE TEMPERATURE (K)
</i>><i>HGT 1 0 Terrain Height (m)
</i>><i>TSK 1 0 SURFACE SKIN TEMPERATURE (K)
</i>><i>RAINC 1 0 ACCUMULATED TOTAL CUMULUS PRECIPITATION (mm)
</i>><i>RAINNC 1 0 ACCUMULATED TOTAL GRID SCALE PRECIPITATION (mm)
</i>><i>XLAT 1 0 LATITUDE, SOUTH IS NEGATIVE (degree_north)
</i>><i>XLONG 1 0 LONGITUDE, WEST IS NEGATIVE (degree_east)
</i>><i>TMN 1 0 SOIL TEMPERATURE AT LOWER BOUNDARY (K)
</i>><i>PBLH 1 0 PBL HEIGHT (m)
</i>><i>ENDVARS<br><br></i></pre><pre><i>I am new in this field please suggest me how can i extract my data from this file<br></i></pre><pre><br><i><i>Regards</i><br><br></i></pre><pre><i>Usha</i></pre></div>