The HHXC25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (C): 12 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) HEIGHT 250 HPA)
The HHXX25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) HEIGHT 250 HPA)
The HGXA25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) DIVERGENCE 250 HPA)
The HHXO25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height 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) HEIGHT 250 HPA)
The HGXF25 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 (H25): 250 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) DIVERGENCE 250 HPA)
The HUXQ25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (Q): 144 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) WIND COMPONENT 250 HPA)
The HCXR25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity 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) VORTICITY 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 HVXA25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) WIND COMPONENT 250 HPA)
The HTXI25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (I): 48 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) TEMPERATURE 250 HPA)