[gradsusr] (no subject)

[Biranchi Mahala]

dear usha,
open the .ctl file using grads window.
define the level for z .
for example. for P type the command as
set z 1
d P
to get the perturbation pressure at zlev= 100 and so on.
On Jun 4, 2016 11:57 AM, "Usha Verma" <loukayaverma at gmail.com> wrote:

> Dear Users
>
> Please help me in this field i want to extract data. please help me..........
>
>
>  >*I am using ARW post to create .ctl and .dat files for the GrADS.
> *>*Now I want to extract some parameters from the .dat file for some particular
> *>
> *locations.**I am giving the .ctl file for your reference.dset ^dom3.dat
> *>*options byteswapped
> *>*undef 1.e30
> *>*title OUTPUT FROM WRF V3.2.1 MODEL
> *>*pdef 129 144 lcc 31.672 78.135 65.000 72.500 30.00000 10.00000 77.00000 9000.000
> *>*9000.000
> *>*xdef 331 linear 71.47070 0.04054054
> *>*ydef 306 linear 25.33539 0.04054054
> *>*zdef 19 levels
> *>*1000.00000
> *>*950.00000
> *>*900.00000
> *>*850.00000
> *>*800.00000
> *>*750.00000
> *>*700.00000
> *>*650.00000
> *>*600.00000
> *>*550.00000
> *>*500.00000
> *>*450.00000
> *>*400.00000
> *>*350.00000
> *>*300.00000
> *>*250.00000
> *>*200.00000
> *>*150.00000
> *>*100.00000
> *>*tdef 41 linear 00Z26OCT2010 180MN
> *>*VARS 27
> *>*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)
> *>*P 19 0 perturbation pressure (Pa)
> *>*PB 19 0 BASE STATE PRESSURE (Pa)
> *>*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)
> *>*LANDMASK 1 0 LAND MASK (1 FOR LAND, 0 FOR WATER) (-)
> *>*VEGFRA 1 0 VEGETATION FRACTION (-)
> *>*SST 1 0 SEA SURFACE TEMPERATURE (K)
> *>*HGT 1 0 Terrain Height (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)
> *>*XLAT 1 0 LATITUDE, SOUTH IS NEGATIVE (degree_north)
> *>*XLONG 1 0 LONGITUDE, WEST IS NEGATIVE (degree_east)
> *>*TMN 1 0 SOIL TEMPERATURE AT LOWER BOUNDARY (K)
> *>*PBLH 1 0 PBL HEIGHT (m)
> *>
>
> *ENDVARS*
>
>
> *I am new in this field please suggest me how can i extract my data from this file*
>
>
>
> *Regards*
>
>
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