The HVXE30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) WIND COMPONENT 300 HPA)
The HVXR92 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 (H92): 925 hPa (Remarks from Volume-C: H+ 156 (GLOBAL MODEL) WIND COMPONENT 925 HPA)
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 HVXI50 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 (H50): 500 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) WIND COMPONENT 500 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 HVXD25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) WIND COMPONENT 250 HPA)
The HVXP70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 132 (GLOBAL MODEL) WIND COMPONENT 700 HPA)
The HVXP85 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 (H85): 850 hPa (Remarks from Volume-C: H+ 132 (GLOBAL MODEL) WIND COMPONENT 850 HPA)
The HVXO30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) WIND COMPONENT 300 HPA)
The HVXG40 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 (H40): 400 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) WIND COMPONENT 400 HPA)