The HHXQ50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (Q): 144 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) HEIGHT 500 HPA)
The HHXL25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 84 (GLOBAL MODEL) HEIGHT 250 HPA)
The HHXA50 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 (H50): 500 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) HEIGHT 500 HPA)
The HHXJ70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) HEIGHT 700 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 HHXL10 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 (H10): 100 hPa (Remarks from Volume-C: H+ 84 (GLOBAL MODEL) HEIGHT 100 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 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 HHXL40 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 (H40): 400 hPa (Remarks from Volume-C: H+ 84 (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)