Re: tips to unstagger data from WRF

Jan Ploski wrote:
> ncl-talk-bounces_at_ucar.edu schrieb am 12/11/2007 12:46:43 AM:
>
>> I am trying to look at 700 mb winds. Correct me if I am wrong but to do
> this
>> brings in an extra step of interpolating to pressure level using WRF-NCL
>> code.
>> So first I have to interpolate the data usingthe wrf_interp-3d function
> and
>> then use the " wrf_uvmet" function?
>
> Hello,
>
> This task is certainly doable with NCL alone. However, we solved it (for
> computing wind velocity at a given relative height above the terrain
> surface) in two steps:
>
> 1. Run NCEP WRF Postprocessor on the WRF output to destagger and extract
> U, V WIND ON MDL SFCS, HEIGHT ON MDL SFCS, SURFACE HEIGHT.
> 2. Read in the resulting GRIB file with NCL and interpolate to a desired
> height using wrf_interp_3d_z.
>
> I think you could do much the same for "ON PRESS SFCS".

Does this work for ARW as well as NMM? I was under the impression the
Postprocessor was only for NMM code.
gerry

-- 
Gerry Creager -- gerry.creager_at_tamu.edu
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