The HVXP10 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (P): 132 hours forecast T1ii (H10): 100 hPa (Remarks from Volume-C: H+ 132 (GLOBAL MODEL) WIND COMPONENT 100 HPA)
The HVXJ40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (J): 60 hours forecast T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) WIND COMPONENT 400 HPA)
The HVXC20 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (C): 12 hours forecast T1ii (H20): 200 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) WIND COMPONENT 200 HPA)
The HVXM40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (M): 96 hours forecast T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 96 (GLOBAL MODEL) WIND COMPONENT 400 HPA)
The HVXE10 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 (H10): 100 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) WIND COMPONENT 100 HPA)
The HVXG50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (G): 36 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) WIND COMPONENT 500 HPA)
The HVXO60 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (O): 120 hours forecast (5 days) T1ii (H60): 600 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) WIND COMPONENT 600 HPA)
The HVXF40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (F): 30 hours forecast T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) WIND COMPONENT 400 HPA)
The HVXH98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (H): 42 hours forecast T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) WIND COMPONENT 10 METRES)
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)