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David, Sorry for the delayed response. Please upload your WRF sample data here: http://motherlode.ucar.edu/repository/alias/idvupload and let us know when it has been uploaded. Best, Unidata IDV Support > IDV support, > > I have done some research in to my problem (Ticket BRK-528772) and found > that the standard longitude is not the problem. It is actually the map > projection used by WRF that doesn’t work well with IDV. Any WRF runs > I have done using the polar stereographic map projection do not match > the background map supplied in IDV when I try to view the output in IDV > (as well as the latitude and longitude of the WRF grid does not match > the background map). To test this out I changed the WRF projection to > Lambert Conformal Conic and reran WRF and no matter what the standard > longitude was, the WRF grid was able to perfectly match the IDV > background map. Even though switching WRF to the Lambert projection has > solved this problem temporarily, I have a lot of output in the Polar > Stereographic projection and would like to be able to use IDV to view > some of the output. Do you have any ideas on how to fix this? > > Thanks, > > David Siuta > address@hidden > > Weather Forecast Research Team > University of British Columbia > Vancouver, BC Canada > Ticket Details =================== Ticket ID: YZK-803896 Department: Support IDV Priority: Normal Status: Closed