 * NetCDF OPeNDAP (priority 6)
 * NAME III (priority 5)
 * NetCDF (priority 5)
 * NetCDF 64 bit offset format (priority 5)
 * NetCDF_v4 (priority 5)
 * UM Post Processing file (PP) (priority 5)
 * UM Fieldsfile (FF) post v5.2 (priority 4)
 * ABF (priority 3)
 * ABL (priority 3)
 * NIMROD (priority 3)
 * UM Fieldsfile (FF) ancillary (priority 3)
 * UM Fieldsfile (FF) ancillary converted with ieee to 32 bit (priority 3)
 * UM Fieldsfile (FF) converted with ieee to 32 bit (priority 3)
 * UM Fieldsfile (FF) pre v3.1 (priority 3)
 * UM Post Processing file (PP) little-endian (priority 3)
 * GRIB (priority 1)