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 HHXX70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 700 HPA)
The HHXX25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 250 HPA)
The HHXX20 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 (H20): 200 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 200 HPA)
The HHXX85 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 (H85): 850 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 850 HPA)
The HHXX10 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 (H10): 100 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 100 HPA)
The HHXX60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 600 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 HHXC40 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 (H40): 400 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) HEIGHT 400 HPA)