[gradsusr] grib2 gfs files and g2gdf.pl

[Jennifer Adams]

Ted,
Version 1.9 does not read grib2 files. You need version 2.0. I don't  
know anything about g2gdf.pl, but you may find some useful information  
in the documentation on handling GRIB in GrADS http://grads.iges.org/grads/gadoc/grib.html
--Jennifer


On Mar 8, 2011, at 5:07 PM, Ted Pollock wrote:

> Hello,
>
> I've been trying to open the 1 degree grib2 gfs files using grads
> v1.9.0-rc1 on an i686 fedora machine. The files have the form
> gfs.t??z.pgrbf??.grib2.
>
> g2gdf.pl is not generating the appropriate .inv files for forecast
> hours greater than 0.
>
> After playing with the files, I discovered that the dates in the .inv
> file correspond to the initial time of the model run, not the forecast
> time. By changing the dates in the .inv file to the forecast time, I
> can display the variables using the .inv/.gdf files generated. Without
> this change, all variables return undefined values.
>
> I am not that good with perl or grib2 files yet, so it would be great
> if someone could suggest some possible modifications to the g2gdf.pl
> script.
>
> Thank you,
>
> Ted
>
>
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--
Jennifer M. Adams
IGES/COLA
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org



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