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 HVXF25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) WIND COMPONENT 250 HPA)
The HVXS98 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 (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) WIND COMPONENT 10 METRES)
The HVXK10 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 (H10): 100 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) WIND COMPONENT 100 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 HVXA92 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 (H92): 925 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) WIND COMPONENT 925 HPA)
The HVXD40 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 (H40): 400 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) WIND COMPONENT 400 HPA)
The HVXA20 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 (H20): 200 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) WIND COMPONENT 200 HPA)
The HVXN98 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 (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) WIND COMPONENT 10 METRES)
The HVXE40 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 (H40): 400 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) WIND COMPONENT 400 HPA)