The HCXK92 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H92): 925 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) VORTICITY 925 HPA)
The HCXA92 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 (H92): 925 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) VORTICITY 925 HPA)
The HCXQ70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (Q): 144 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXX92 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 (H92): 925 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) VORTICITY 925 HPA)
The HCXN25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) VORTICITY 250 HPA)
The HCXP25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (P): 132 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 132 (GLOBAL MODEL) VORTICITY 250 HPA)
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 HCXM25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (M): 96 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 96 (GLOBAL MODEL) VORTICITY 250 HPA)
The HCXL92 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (L): 84 hours forecast T1ii (H92): 925 hPa (Remarks from Volume-C: H+ 84 (GLOBAL MODEL) VORTICITY 925 HPA)
The HCXN70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) VORTICITY 700 HPA)