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Allan, What is the status of this problem on your end? Were you able to successfully write the grib2 files? Michael > Hi Allan- > > Our main GEMPAK support person (Michael James) is out for a couple of weeks, > so I'll do my best to help you out. > > > Full Name: Allan Huffman > > Email Address: address@hidden > > Organization: none > > Package Version: > > Operating System: > > Hardware: > > Description of problem: > > > > Hi, I am trying to write 80 meter winds interpolated from a nam218 grib > > file to a new grib file using gdgrib2. > > > > I have taken the nam218 gribfile and have ran gdvint to interpolate 80m > > winds. But now I would like to take this gempak file and write the 80 m > > winds back to a new grib file. > > > > I assume I should use gdgrib or gdgrib2, but I am not sure how to > > proceed from there. Any advice? Thanks. > > I think you could use either program, but gdgrib2 is probably better. You'll > probably have to run this a couple of times because it looks like gfunc only > takes one parameter at a time. Taking the defaults for the grib2 parameters > should probably work. > > Don Murray Ticket Details =================== Ticket ID: RIR-544234 Department: Support GEMPAK Priority: Normal Status: Open