The HVXD30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) WIND COMPONENT 300 HPA)

The HGXB92 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 (H92): 925 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) DIVERGENCE 925 HPA)

The HHXG70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) HEIGHT 700 HPA)

The HCXS70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HC): Vorticity A1 (X): Global Area (area not definable) A2 (S): 168 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) VORTICITY 700 HPA)

The HOXD70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HO): Vertical velocity A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) VERTICAL VELOCITY 700 HPA)

The HHXQ30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) HEIGHT 300 HPA)

The HRXP85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (P): 132 hours forecast T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 132 (GLOBAL MODEL) RELATIVE HUMIDITY 850 HPA)

The HTXS50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (S): 168 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) TEMPERATURE 500 HPA)

The HRXK50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) RELATIVE HUMIDITY 500 HPA)

The HUXA50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) WIND COMPONENT 500 HPA)