The HCXX70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXX25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) VORTICITY 250 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 HCXA70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) VORTICITY 700 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 HCXN92 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (N): 108 hours forecast T1ii (H92): 925 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) VORTICITY 925 HPA)
The HCXF70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXB25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) VORTICITY 250 HPA)
The HCXO25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (O): 120 hours forecast (5 days) T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) VORTICITY 250 HPA)
The HCXE70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) VORTICITY 700 HPA)