The HUXI20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (I): 48 hours forecast T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) WIND COMPONENT 200 HPA)

The HHXO20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (O): 120 hours forecast (5 days) T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) HEIGHT 200 HPA)

The HHXH20 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 (H20): 200 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) HEIGHT 200 HPA)

The HVXG20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (G): 36 hours forecast T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) WIND COMPONENT 200 HPA)

The HUXB20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (B): 6 hours forecast T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) WIND COMPONENT 200 HPA)

The HHXF20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (F): 30 hours forecast T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) HEIGHT 200 HPA)

The HVXN20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (N): 108 hours forecast T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) WIND COMPONENT 200 HPA)

The PWZE20 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PW): Wind A2 (E): 24 hours forecast T1ii (P20): 200 hPa (Remarks from Volume-C: WAFS W+T H+24 FL 390 (ICAO D))

The HTXN20 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 (H20): 200 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) TEMPERATURE 200 HPA)

The HHXW20 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 (H20): 200 hPa (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) HEIGHT 200 HPA)