The HVXG70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) WIND COMPONENT 700 HPA)
The HVXO70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) WIND COMPONENT 700 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 HVXH60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) WIND COMPONENT 600 HPA)
The HVXQ50 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 (H50): 500 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) WIND COMPONENT 500 HPA)
The HVXL60 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (L): 84 hours forecast T1ii (H60): 600 hPa (Remarks from Volume-C: H+ 84 (GLOBAL MODEL) WIND COMPONENT 600 HPA)
The HVXA25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) WIND COMPONENT 250 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 HVXG20 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 (H20): 200 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) WIND COMPONENT 200 HPA)
The HVXJ70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) WIND COMPONENT 700 HPA)