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When I try to read in my GRIB data, why do I get an ucar.grib.NotSupportedException?

April 26, 2017Data grib read Try

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When I try to read in my GRIB data, why do I get an ucar.grib.NotSupportedException?

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A. For the IDV to read in GRIB data, it needs access to lookup tables for decoding the information in the data. The IDV comes pre-configured with most of the commonly used tables from NCEP, FNMOC, etc, but some GRIB data from regional centers may use tables other than the defaults. If the IDV does not have the necessary table, you will get the NotSupportedException. You can add in new tables by following the instructions in the User’s Guide section on Adding in new GRIB tables.