script for wind direction

[Dr. Parthasarathi Mukhopadhyay]

Hi Chuck,
Thanks for your reply. I searched from GrADS archive and found the same code that you
mentioned and tried it. It worked OK.
Thank you once again,
Partha
-----------------------------------
On Tue, 15 Nov 2005 13:59:58 -0500, Charles Seman wrote
> Hi Partha,
>
> Here is some code from an email to GrADS Listserv on 9/20/2004 by:
> *
> * Ken Takahashi G.       e-mail: ken at atmos.washington.edu
> * (206) 685-9305
> * Dept of Atmospheric Sciences
> * University of Washington, Box 351640
> 'define dir=atan2(-u,-v)*180/3.141592654'
> 'define
> dir=const(dir,1)*(const(maskout(dir,dir),0,-u)+const(maskout(360+dir,-dir),0,
> -u))' * where the const(dir,1) preserves the original mask.
>
> I haven't tested the above code...
>
> I hope this helps,
> Chuck
>
> Dr. Parthasarathi Mukhopadhyay wrote:
>
> >Hi all,
> >Is there any script (.gs) by which wind direction could be obtained by giving u and
v?
> >Thanks,
> >Partha
> >--------
> >
> >------
> >DR. PARTHASARATHI MUKHOPADHYAY
> >Forecasting Research Division
> >Indian Institute of Tropical Meteorology
> >Dr. Homi Bhabha Road
> >Pashan
> >Pune-411008
> >INDIA
> >
> >Telephone:+91 20 25893600 (Office)
> >FAX       +91 20 25893825 (Office)
> >Email:mpartha at tropmet.res.in
> >      mpartha_in at yahoo.com
> >-----------------------------
> >
> >
>
> --
>
> ********************************************************************
>  Charles Seman                                charles.seman at noaa.gov
>  U.S. Department of Commerce / NOAA / OAR
>  Geophysical Fluid Dynamics Laboratory         voice: (609) 452-6547
>  201 Forrestal Road                              fax: (609) 987-5063
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>
> "The contents of this message are mine personally and do not reflect
> any position of the Government or NOAA."


------
DR. PARTHASARATHI MUKHOPADHYAY
Scientist B
Forecasting Research Division
Indian Institute of Tropical Meteorology
Dr. Homi Bhabha Road
Pashan
Pune-411008
INDIA

Telephone:+91 20 25893600 (Office)
          +91 20 25899737 (Residence)
FAX       +91 20 25893825 (Office)
Email:mpartha at tropmet.res.in
      mpartha_in at yahoo.com
-----------------------------