Underway physical and meteorological data collected by NOAA Ship GORDON GUNTER in the Gulf of Mexico from 2005-04-20 to 2005-05-30 (NCEI Accession 0002224)
The HHXW85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (W): Not assigned T1ii (H85): 850 hPa (Remarks from Vo