The HHXF30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) HEIGHT 300 HPA)
The HHXS50 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 (H50): 500 hPa (Remarks from Volume-C: H+ 168 (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 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 HHXN30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) HEIGHT 300 HPA)
The HHXL70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 84 (GLOBAL MODEL) HEIGHT 700 HPA)
The HHXK70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) HEIGHT 700 HPA)
The HHXD10 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H10): 100 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) HEIGHT 100 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 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)