The HHXE40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (E): 24 hours forecast T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) HEIGHT 400 HPA)
The HHXI85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (I): 48 hours forecast T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) HEIGHT 850 HPA)
The HHXB50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (B): 6 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) HEIGHT 500 HPA)
The HHXI30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (I): 48 hours forecast T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) HEIGHT 300 HPA)
The HHXM30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 96 (GLOBAL MODEL) HEIGHT 300 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 HHXO60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) HEIGHT 600 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 HHXK30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) HEIGHT 300 HPA)
The HHXE25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (E): 24 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) HEIGHT 250 HPA)