script for wind direction

[Michael Maxwell]

Hello Parthasarathi,

There is a fuction named atan2(). It is built into
grads and the way you use it is atan2(u,v) and that is
wind direction in radians. I don't know how to change
it to degrees though, or direction such as north,
south, east, and west.

--- "Dr. Parthasarathi Mukhopadhyay"
<mpartha at TROPMET.RES.IN> 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
> -----------------------------
>


KD5GIV Ham Radio call sign.
Michael Maxwell.
Fort Worth, Tx, USA.
Forcaster In Charge of USAweather.net DFW office
kd5giv at yahoo.com



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