[gradsusr] GRIB-1/GrADS Diagnosis

[Jeff Duda]

Exactly which NAM data are you obtaining? Give a URL.

On Thu, Apr 23, 2015 at 11:11 AM, Perry, Aaron <Aaron.Perry at lsc.vsc.edu>
wrote:

>  Hi All,
>
>
>  I'm currently having an issue with getting GRIB-1 data to be processed
> in GrADS. I'm using archived 12km NAM data from the NCDC NOMADS Server. I
> get the "Constant field.  Value = 0" error...
>
>
>  Below is the control file that I've created using grib2ctl:
>
>
>  dset /mnt/homes/perrya/jaycasestudy/data/nam/nam12.2014120700.%f3.grb
> index /mnt/homes/perrya/jaycasestudy/data/nam/nam12.2014120700.000.grb.idx
> undef 9.999E+20
> title /mnt/homes/perrya/jaycasestudy/data/nam/nam12.2014120700.000.grb
> *  produced by grib2ctl v0.9.13
> * command line options: -verf
> /mnt/homes/perrya/jaycasestudy/data/nam/nam12.2014120700.%f3.grb
> dtype grib 218
> options template
> pdef 614 428 lccr 12.190000 -133.459000 1 1 25.000000 25.000000 -95.000000
> 12191 12191
> xdef 614 linear -133.459000 0.113383763365335
> ydef 428 linear 12.190000 0.110827272727273
> tdef 29 linear 00Z07dec2014 3hr
> zdef 1 linear 1 1
> vars 5
> APCPsfc  0 61,1,0  ** surface Total precipitation [kg/m^2]
> PRMSLmsl  0 2,102,0 ** mean-sea level Pressure reduced to MSL [Pa]
> TMP2m  0 11,105,2 ** 2 m above ground Temp. [K]
> UGRD10m  0 33,105,10 ** 10 m above ground u wind [m/s]
> VGRD10m  0 34,105,10 ** 10 m above ground v wind [m/s]
> ENDVARS
>
>
>  What am I doing wrong?
>
> Aaron D. Perry
> Dept. of Atmospheric Sciences
> Class of 2016
> Lyndon State College
> Lyndonville, VT
> Twitter: <https://twitter.com/AaronPerryLSC>
> <https://www.twitter.com/AaronPerryLSC>@AaronPerryLSC
> <https://twitter.com/AaronPerryLSC>
>  Mobile: 617-780-4312
> Web: shearanalytics.net
> Email: Aaron.Perry at lyndonstate.edu
>
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>


-- 
Jeff Duda
Graduate research assistant
University of Oklahoma School of Meteorology
Center for Analysis and Prediction of Storms
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