The HTXG25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (G): 36 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) TEMPERATURE 250 HPA)

The HTXH25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (H): 42 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) TEMPERATURE 250 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 HGXK25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) DIVERGENCE 250 HPA)

The HTXW25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (W): Not assigned T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) TEMPERATURE 250 HPA)

The HHXG25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (G): 36 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) HEIGHT 250 HPA)

The HUXH25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (H): 42 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) WIND COMPONENT 250 HPA)

The HVXK25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) WIND COMPONENT 250 HPA)

The HVXW25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (W): Not assigned T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) WIND COMPONENT 250 HPA)

The HTXC25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (C): 12 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) TEMPERATURE 250 HPA)