[gradsusr] Incorrect coordinates for WRF output in GrADS

[Jeff Duda]

Ivan,
Exactly which control file and data set are you using to plot the land/sea
mask in the attached image?  You said you are trying to display WRF output.
 The domain looks like you are running over your own domain, but you said
you plotted data from the WRF NMM.  This difference may cause the aberrant
behavior.

Jeff Duda

On Sun, Jul 8, 2012 at 6:53 AM, Ivan Toman <ivtoman at inet.hr> wrote:

> Hello,
>
> I have issues displaying WRF output in GrADS. The problem happens because
> coordinate system in GrADS (or in WRF gribs?) seems to be somehow
> misshaped. Attached image clearly shows example of my issue. So on the
> image, in color is plotted land/sea mask from WRF NMM grib file. However,
> on the NorthWest part of domain, and on the SouthEast part of domain,
> land/sea mask is tottaly out of order according to GrADS coordinating
> system! As you can see, Great Britain islands are moved in southwest
> direction almost 3 degrees, and Greece/Turkey is moved in northeast
> direction, and whole shape of domain is somehow deformed.
>
> I postprocess with wrfpost and then create ctl and idx with grib2ctl.pland gribmap and use opengrads for display.
>
> I'm currently unable to find why this missalignment as described above
> happen. Is it problem in GrADS, WRF, or postprocessor?
>
> Thanks for any idea.
> Ivan Toman
>
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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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