The HHXR40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (R): 156 hours forecast (7 days) T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 156 (GLOBAL MODEL) HEIGHT 400 HPA)
The HHXA25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) HEIGHT 250 HPA)
The HHXN70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) HEIGHT 700 HPA)
The HHXR30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (R): 156 hours forecast (7 days) T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 156 (GLOBAL MODEL) HEIGHT 300 HPA)
The HHXK40 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 (H40): 400 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) HEIGHT 400 HPA)
The HHXJ25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) HEIGHT 250 HPA)
The HHXI25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) HEIGHT 250 HPA)
The HHXB25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 06 (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 HHXW60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) HEIGHT 600 HPA)