10m winds in GFS

[Diane Stokes]

Derek,

Ok.  That helps alot.  The 10m wind is not an analyzed field.

On or about the 25th, did you switch from using the forecast to using
the analysis?

    Diane


Derek Goring wrote:

> Diane
>
> Here is a snippet of my GrADSDODS text which retrieves pressure OK, but
> gives missing data for the velocities (and has done since 25 Jan05):
> sdfopen http://nomad3.ncep.noaa.gov:9090/dods/gfs/gfs20050130/gfs_00z_anl
> set lev 1000
> set lat -60 -20
> set lon 150 220
> * Open a file for binary data
> set gxout fwrite
> set fwrite ./Histpuv/20050130.bin
> * Retrieve latitude and longitude
> set t 1
> * Retrieve latitudes
> d lat
> * Retrieve longitudes
> d lon
> * Retrieve pressures
> d prmsl
> * Retrieve eastward 10 m wind
> d ugrd10m
> * Retrieve northward 10 m wind
> d vgrd10m
> * Write the times off to a file
> writetime ./Histpuv/20050130.tim
> close 1
> ****
>
> */Diane Stokes <Diane.Stokes at NOAA.GOV>/* wrote:
>
>     Dear Derek,
>
>     Could you please provide the following info:
>
>     Where are you getting the data (full address, please, if applicable)?
>     What is the filename?
>     What grid resolution?
>     What initial time?
>     What forecast hour?
>     Can you describe what looks odd about it?
>     Where does it look odd?
>
>     That will help the modelers look into it.
>     Thanks.
>     Diane Stokes
>
>
>     Derek Goring wrote:
>
>      > Is it just me, or is there a problem with ugrd10 and vgrd10 from GFS
>      > since 25 Jan 05 ??
>      >
>
>
>
> ________________
> Derek Goring
> Mulgor Consulting Ltd
> 24 Brockworth Place
> Christchurch, New Zealand
> Phone: 64 3 343 5400
> Mobile: 64 272 777 639
> Website: www.mulgor.co.nz
>
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--
Diane Stokes
Environmental Modeling Center
National Weather Service/NOAA