The HTXQ50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (Q): 144 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) TEMPERATURE 500 HPA)

The HVXO50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (O): 120 hours forecast (5 days) T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) WIND COMPONENT 500 HPA)

The HVXD50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) WIND COMPONENT 500 HPA)

The HHXQ50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (Q): 144 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) HEIGHT 500 HPA)

The HVXL50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (L): 84 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 84 (GLOBAL MODEL) WIND COMPONENT 500 HPA)

The HVXP50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (P): 132 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 132 (GLOBAL MODEL) WIND COMPONENT 500 HPA)

The HHXF50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (F): 30 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) HEIGHT 500 HPA)

The PHOI50 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PH): Height A2 (I): 48 hours forecast T1ii (P50): 500 hPa (Remarks from Volume-C: H+36, +48 MSL, 500 hPa Temperature and Pressure)

The HHXD50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) HEIGHT 500 HPA)

The HVXE50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (E): 24 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) WIND COMPONENT 500 HPA)