This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> Full Name: Cassie Hansen > Email Address: address@hidden > Organization: University of Nevada, Reno > Package Version: 2.9u1 build date:2010-09-02 19:36 UTC > Operating System: Windows 7 > Hardware: Java: home: C:\Program Files\IDV_2.9u1\jre version: 1.6.0_20 > j3d:1.5.2 fcs (build4) > Description of problem: > > Hello: > > I'm using the GFS analysis data from the nomaids website. I'm trying > to plot a simple geopotential height but my contour values appear to be > very wrong. I'm expecting the values to be in the 5000 gpm but instead > are 350-1150 gpm. I'm not sure what I'm doing wrong. The specific dates > are 01-10-10. Could it be a data quality issue? > > Thank you for your help, > Cassie Hansen > > Cassie, Could you upload a sample file or email me the url of the site you downloaded the dataset? http://motherlode.ucar.edu/repository/alias/idvupload Yuan Ticket Details =================== Ticket ID: OJB-817265 Department: Support IDV Priority: Normal Status: Open