Jonathon, Alison:
Thanks very much, I dont know why I didnt see these!
Pamment, JA (Alison) wrote:
> Hi John,
>
> If you are specifying wind components then the names x_wind and y_wind
> indicate that the variables are relative to the grid rather than true
> longitude and latitude. The corresponding components relative to true
> lon and lat have the names eastward_wind and northward_wind.
>
> There are also the names wind_from_direction and wind_to_direction for
> velocities relative to lat and lon, but I don't think equivalent grid
> relative names exist at the moment. (I'm sure Jonathan will correct me
> if I am wrong!)
>
> Alison
>
> ------
> Alison Pamment Tel: +44 1235 778065
> NCAS/British Atmospheric Data Centre Fax: +44 1235 445858
> Rutherford Appleton Laboratory Email: J.A.Pamment at rl.ac.uk
> Chilton, Didcot, OX11 0QX, U.K.
>
>
>>-----Original Message-----
>>From: cf-metadata-bounces at cgd.ucar.edu [mailto:cf-metadata-
>>bounces at cgd.ucar.edu] On Behalf Of John Caron
>>Sent: 23 January 2007 21:42
>>To: CF
>>Subject: [CF-metadata] grid reletive winds
>>
>>Is there a way to specify if wind variable is "grid reletive" or "true
>>direction" ?? Perhaps a standard name ??
>>
>>eg, encoding GRIB2 table 3.3, bit 5:
>>
>>http://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_table3-3.shtml
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>>http://www.cgd.ucar.edu/mailman/listinfo/cf-metadata
>
>
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Received on Tue Jan 30 2007 - 16:40:50 GMT
