The HVXW40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (W): Not assigned T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) WIND COMPONENT 400 HPA)
The HVXJ50 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 (H50): 500 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) WIND COMPONENT 500 HPA)
The HVXK85 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 (H85): 850 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) WIND COMPONENT 850 HPA)
The HVXQ40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (Q): 144 hours forecast T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) WIND COMPONENT 400 HPA)
The HVXS92 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 (H92): 925 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) WIND COMPONENT 925 HPA)
The HVXC98 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 (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) WIND COMPONENT 10 METRES)
The HVXB25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (B): 6 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) WIND COMPONENT 250 HPA)
The HVXM30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 96 (GLOBAL MODEL) WIND COMPONENT 300 HPA)
The HVXI25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) WIND COMPONENT 250 HPA)
The HVXI70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) WIND COMPONENT 700 HPA)