The HCXW70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (W): Not assigned T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXE92 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (E): 24 hours forecast T1ii (H92): 925 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) VORTICITY 925 HPA)
The HCXG70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (G): 36 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXJ70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (J): 60 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXB70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (B): 6 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXI92 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (I): 48 hours forecast T1ii (H92): 925 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) VORTICITY 925 HPA)
The HCXF92 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (F): 30 hours forecast T1ii (H92): 925 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) VORTICITY 925 HPA)
The HCXH25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (H): 42 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) VORTICITY 250 HPA)
The HCXD70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXR70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (R): 156 hours forecast (7 days) T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 156 (GLOBAL MODEL) VORTICITY 700 HPA)