[gradsusr] cat different resolution GFS files

[Wesley Ebisuzaki - NOAA Federal]

Brian,

ftp://ftp.cpc.ncep.noaa.gov/wd51we/wgrib2/Windows_XP/
or if the FTP server doesn't work for you
http://ftp.cpc.ncep.noaa.gov/wd51we/wgrib2/Windows_XP/

   Wesley

On Sun, Apr 14, 2013 at 3:31 AM, Brian Gaze <brian.gaze at ntlworld.com> wrote:
> Wesley - thanks for this.
>
> Do you (or anyone else here) know if there is a version of Win x86 version
> of wgrib2 compiled with IPOLATES? (The version I have and the one bundled
> with Open Grads aren't)
>
> Brian
>
>
>
> On 13 April 2013 23:55, Wesley Ebisuzaki - NOAA Federal
> <wesley.ebisuzaki at noaa.gov> wrote:
>>
>> Brian,
>>
>>    You can cat grib2 files together but GrADS can only handle 1 grid
>> definition
>> per control file.   You can use wgrib2 to convert your grib file to a
>> common
>> grid by
>>
>>    wgrib2 IN.grb -new_grid_wind earth -new_grid latlon lon0:nlon:dlon
>> lat0:nlat:dlat  OUT.grb
>>
>> This requires that your wgrib2 was compiled with the optional IPOLATES
>> library.
>>
>> Wesley
>>
>>
>>
>> On Sat, Apr 13, 2013 at 1:34 PM, Brian Gaze <brian.gaze at ntlworld.com>
>> wrote:
>> > Hi,
>> >
>> > I'm trying to cat GFS GRIB2 files at 12 hour steps, from 0 to 384 hours,
>> > and
>> > then use the concatenated file which is generated for plots in GrADS.
>> > The
>> > GFS files I'm using are 0.5 deg from 0 to 192 hours, and 1 deg from 204
>> > to
>> > 384 hours. The cat seems to work ok, and I'm able to open and query the
>> > file
>> > in GrADS. The problem is that when I try and make a plot (using set t 1
>> > last) only values for 0 to 192 hours (the 0.5 deg files) are plotted.
>> >
>> > Is the problem occurring because I'm  concatenating different resolution
>> > files (0.5 deg and 1 deg)? If this is the case, is there a workaround /
>> > solution other than switching over to 1 deg files for the full range?
>> >
>> > PS: Using GrADS 2.0.a3.oga.1
>> >
>> > Thanks
>> >
>> > Brian
>> >
>> > _______________________________________________
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>> > gradsusr at gradsusr.org
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>> >
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>
>
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