[Wrf-users] Wrf-users Digest, Vol 72, Issue 14

[imgrus at gmail.com]

mercator projection is NOT ROTATED.
You'd better read some textbooks on map projection or NWP basics.

On Tue, Aug 17, 2010 at 11:14 PM, <wrf-users-request at ucar.edu> wrote:

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> Today's Topics:
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>   1. Query Reg Surface wind speed and direction from WR F (Geeta Geeta)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 16 Aug 2010 07:31:54 +0000
> From: Geeta Geeta <geeta124 at hotmail.com>
> Subject: [Wrf-users] Query Reg Surface wind speed and direction from
>        WR F
> To: wrf users group <wrf-users at ucar.edu>
> Message-ID: <BLU152-w22758D9B5136DAA49DA4688A9B0 at phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
> Dear WRF Users.
> This is Query Reg Surface wind speed and direction from WRF.
> I am getting the U10 and V10 (the ROTATED wind components) as one of the
> diagnostics from WRF. I have used mercator projection for the domain.
> Also,
> ws10 and wd10, are the Wind Speed (m s-1) and Direction (Degrees) at 10
> M  is also available as one of the outputs. What is the Difference
> between the two.
>
> Pls clarify how to compute the actual wind speed and direction at a
> particular point.
>
> I have plotted all the 3 variables ie, the U10 and V10, and wd10 (attatched
> wind.gif).
> ga-> d skip(U10,2,2);V10
> ga-> c
> ga-> set cint 20
> cint = 20
> ga-> d wd10
> Contouring: 20 to 340 interval 20
> ga-> d skip(U10,2,2);V10
> ga-> printim wind.gif
>
> I am unable to find any significant difference between the U10;V10 and the
> ws10 and wd10.
> Pls clarify this doubt.
> geeta
>
>
>
>
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