The HCXK70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 72 (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 HCXM92 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 (H92): 925 hPa (Remarks from Volume-C: H+ 96 (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 HCXD25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) VORTICITY 250 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 HCXH70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXI70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXO70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) VORTICITY 700 HPA)
The HCXJ25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) VORTICITY 250 HPA)