The HGXN25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (N): 108 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) DIVERGENCE 250 HPA)
The HGXR25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (R): 156 hours forecast (7 days) T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 156 (GLOBAL MODEL) DIVERGENCE 250 HPA)
The HGXD70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) DIVERGENCE 700 HPA)
The HGXL92 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (L): 84 hours forecast T1ii (H92): 925 hPa (Remarks from Volume-C: H+ 84 (GLOBAL MODEL) DIVERGENCE 925 HPA)
The HGXJ25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (J): 60 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) DIVERGENCE 250 HPA)
The HGXH70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (H): 42 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) DIVERGENCE 700 HPA)
The HGXB25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (B): 6 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) DIVERGENCE 250 HPA)
The HGXD25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) DIVERGENCE 250 HPA)
The HGXM70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (M): 96 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 96 (GLOBAL MODEL) DIVERGENCE 700 HPA)
The HGXF70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (F): 30 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) DIVERGENCE 700 HPA)