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I am decoding the grids with nagrib, and it is working fine for most fields. For the PMSL field, I am getting a large number of grid points decoding as a -100 with some lower pressures a couple of grid points in to the real values. Is there a method to get these values of -100 to be decoded as missing, and to smooth out the 2 rows of lower values.I am getting the data from ftpprd.ncep.noaa.gov. Directory /pub/data/nccf/com/hur/prod/hwrf.YYYYMMDDCC
File name stormname.YYYMMDDCC.hwrfprs_n.grb2HH Any help would be appreciated Thanks Michael Nelson Manager of Meteorology DTE Energy Trading
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