The HHXF10 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 (H10): 100 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) HEIGHT 100 HPA)
The HHXJ60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) HEIGHT 600 HPA)
The HHXI50 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 (H50): 500 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) HEIGHT 500 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)
The HHXC85 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 (H85): 850 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) HEIGHT 850 HPA)
The HHXW10 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 (H10): 100 hPa (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) HEIGHT 100 HPA)
The HHXA20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) HEIGHT 200 HPA)
The HHXS10 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (S): 168 hours forecast T1ii (H10): 100 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) HEIGHT 100 HPA)
The HHXK20 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 (H20): 200 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) HEIGHT 200 HPA)
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)