10m winds in GFS

[Derek Goring]

Diane

Thanks for your help.
Yes, when I changed to nomad3 server I noticed there
was _anl available and I thought "that's what I want",
but I didn't realise the consequences.
I've changed back to t=0 of the forecast and its all
fixed now.

Derek

 --- Diane Stokes <Diane.Stokes at NOAA.GOV> wrote:
> 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
>

=====
________________
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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