The HHXN40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (N): 108 hours forecast T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) HEIGHT 400 HPA)
The HTXF50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (F): 30 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) TEMPERATURE 500 HPA)
The HTXG70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) TEMERATURE 700 HPA)
The HVXA60 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H60): 600 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) WIND COMPONENT 600 HPA)
The HHXM70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (M): 96 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 96 (GLOBAL MODEL) HEIGHT 700 HPA)
The HVXD98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) WIND COMPONENT 10 METRES)
The HCXA70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) VORTICITY 700 HPA)
The HHXO40 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 (H40): 400 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) HEIGHT 400 HPA)
The HUXC40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (C): 12 hours forecast T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) WIND COMPONENT 400 HPA)
The HHXJ70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (J): 60 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) HEIGHT 700 HPA)