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The problem was with the SFPRMF list in SFCFIL. I simply allowed it to use the default value which was the METAR packing file. Since these are not METARs, it was the wrong set of parameters. I edited the list to include the actual parms that I wanted and all is well again. Thanks, David >Your PARM line in the ascii input file must match the >parameters you are specifying in the SFCFIL program (either >through the SFPRMF list of parameters or packing file), >and the number of parms should agree with the number >of parameters in each line. > >SPED is a valid surface parameter, as is PRES. What is your >SFPRMF input? If you are using a packing file without those >specific parameters, then that is your problem. > >Steve Chiswell >Unidata User Support +------------------------------------------------------------------------+ | David O. Blanchard Flagstaff, Arizona address@hidden | +------------------------------------------------------------------------+