The HHXX50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 500 HPA)
The HHXX40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 400 HPA)
The HHXX30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 300 HPA)
The HHXL20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (L): 84 hours forecast T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 84 (GLOBAL MODEL) HEIGHT 200 HPA)
The HHXC50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (C): 12 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) HEIGHT 500 HPA)
The HHXL70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (L): 84 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 84 (GLOBAL MODEL) HEIGHT 700 HPA)
The HHXO70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) HEIGHT 700 HPA)
The HHXO30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) HEIGHT 300 HPA)
The HVXX10 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H10): 100 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) WIND COMPONENT 100 HPA)
The HVXX30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) WIND COMPONENT 300 HPA)