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 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 HUXM25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (M): 96 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 96 (GLOBAL MODEL) WIND COMPONENT 250 HPA)

The HTXR25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature 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) TEMPERATURE 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 HUXW25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward 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 HUXC25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (C): 12 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) WIND COMPONENT 250 HPA)

The HHXE25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (E): 24 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) HEIGHT 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 HUXS25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (S): 168 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) WIND COMPONENT 250 HPA)