On Thu, Apr 17, 2008 at 1:37 PM, Eric Altshuler <<a href="mailto:ela@cola.iges.org">ela@cola.iges.org</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi Arlindo and Mark,<br>
<br>
I have noticed something very strange about the gdf files that are generated for GFS files of type 'gfs.t??z.pgrb2bf??'. I have never used these particular GFS files and I'm not sure what they're for. (The 0.5 degree GFS grib-2 files I am familiar with are 'gfs.t??z.pgrb2f??'). In the gdf file, there are 37 pressure levels specified in the zdef line, every 25 mb from 1000 to 100 mb...</blockquote>
<div><br>I am also very confused by all these different files; NCEP's FTP site could use a README file. Does anyone out there understand the difference/purpose of the different files under<br><br> <a href="ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.2008041806">ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.2008041806</a><br>
<br>Some of the files are mentioned here:<br><br> <a href="http://www.nco.ncep.noaa.gov/pmb/products/gfs/">http://www.nco.ncep.noaa.gov/pmb/products/gfs/</a><br><br>but not all. Where could we send user feedback to NCEP requesting a README file for the FTP site?<br>
<br> Thank you,<br><br> Arlindo<br><br><br></div></div>-- <br>Arlindo da Silva<br><a href="mailto:dasilva@alum.mit.edu">dasilva@alum.mit.edu</a>