The HVXK30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) WIND COMPONENT 300 HPA)
The HVXN10 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (N): 108 hours forecast T1ii (H10): 100 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) WIND COMPONENT 100 HPA)
The HVXR50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (R): 156 hours forecast (7 days) T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 156 (GLOBAL MODEL) WIND COMPONENT 500 HPA)
The HVXX98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) WIND COMPONENT 10 METRES)
The HVXI98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (I): 48 hours forecast T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) WIND COMPONENT 10 METRES)
The HVXS20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (S): 168 hours forecast T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) WIND COMPONENT 200 HPA)
The HVXK98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) WIND COMPONENT 10 METRES)
The HVXE98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (E): 24 hours forecast T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) WIND COMPONENT 10 METRES)
The HVXK25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) WIND COMPONENT 250 HPA)
The HVXS70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (S): 168 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) WIND COMPONENT 700 HPA)