The HTXN98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (N): 108 hours forecast T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) TEMPERATURE 2 METRES)

The HUXF50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (F): 30 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) WIND COMPONENT 500 HPA)

The HPXK89 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HP): Pressure A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H89): Any parameter reduced to sea level (eg MSLP) (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) MEAN SEA LEVEL PRESSURE)

The HHXH50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (H): 42 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) HEIGHT 500 HPA)

The HUXA85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) WIND COMPONENT 850 HPA)

The HUXX98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) WIND COMPONENT 10 METRES)

The HTXX98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) TEMPERATURE 2 METRES)

The HTXG98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (G): 36 hours forecast T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) TEMPERATURE 2 METRES)

The HVXH85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (H): 42 hours forecast T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) WIND COMPONENT 850 HPA)

The HUXP98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (P): 132 hours forecast T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 132 (GLOBAL MODEL) WIND COMPONENT 10 METRES)