[gradsusr] Plot GFS grib2 files

[claudiomet]

Thanks Wesley, It works !

Downloading gfs.txxz.pgrb2fxx and gfs.txxz.pgrb2bfxx
and making
cat gfs* > data.grib2
g2ctl data.grib2 > data.grib2.ctl
gribmap -i data.grib2.ctl

Works perfectly. Thanks again !

2011/10/5 Wesley Ebisuzaki <Wesley.Ebisuzaki at noaa.gov>:
> claudiomet wrote:
>> Hi users!
>>
>> I'm dowlloading grib2 files GFS outputs from
>> http://www.ftp.ncep.noaa.gov/data/nccf/com/gfs/prod/gfs.xxxxxxxxxx/gfs.txxz.pgrb2bfxx
>> (and idx file too)
>> I have instaled las version of GrADS (2.0.a9), last version of wgrib2
>> (1.9.4) and last g2ctl script
>>
>> I made:
>> g2ctl gfs.txxz.pgrb2bfxx > gfs.txxz.pgrb2bfxx.ctl
>> and ctl file are correctly crated, then I made:
>> gribmap -i gfs.txxz.pgrb2bfxx.ctl
>> to update the idx file, then I have 3 files (grib2 file, ctl file and idx file)
>>
>> I open grads, I load the file, and the file loads correctly,
>> but when I want to display any variable (set lev 500 > set HGTprs for
>> example) grads says
>>
>> "Cannot contour grid - all undefines values"
>>
>> What can be the problem ?
>> Thanks!
>>
> Hi,
>
>   It seems that the 0.5 degree GFS forecast files were divided into two
> parts:  pgb2fXX and pgb2bfXX.
> You can get the common tropospheric levels in the pgb2fXX files.  Check
> the file inventory for more
> details.
>
>            Wesley
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>



-- 
Claudio Cortes
http://bit.ly/bashpower
http://twitter.com/claudiomet
http://cl.linkedin.com/in/claudiomet

Meteorologo
Jefe del Laboratorio de Innovación e Informática Ambiental (LIIA)
Unidad de Modelacion y Gestion de la Calidad del Aire (UMGCA)
Centro Nacional del Medio Ambiente (CENMA)
www.cenma.cl

--
Claudio Cortes
http://bit.ly/bashpower
http://twitter.com/claudiomet
http://cl.linkedin.com/in/claudiomet
Meteorologist
Laboratory of Innovation and Environmental Informatics Chief
Modeling and Air Quality Management Unit
National Enviroment Center, Chile (CENMA)
www.cenma.cl