The HTXW85 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 (H85): 850 hPa (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) TEMPERATURE 850 HPA)

The PTUC85 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PT): Temperature A2 (C): 12 hours forecast T1ii (P85): 850 hPa (Remarks from Volume-C: H+00, H+12 850 hPa Tpae, MSL pressure)

The HQXB85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HQ): Wet bulb potential temperature A1 (X): Global Area (area not definable) A2 (B): 6 hours forecast T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) POTENTIAL EQUIVALENT TEMPEATURE)

The HQXA85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HQ): Wet bulb potential temperature A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) POTENTIAL EQUIVALENT TEMPEATURE)

The HRXH85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (H): 42 hours forecast T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) RELATIVE HUMIDITY 850 HPA)

The HUXC85 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 (H85): 850 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) WIND COMPONENT 850 HPA)

The HUXK85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (K): 72 hours forecast T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) WIND COMPONENT 850 HPA)

The HRXR85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (R): 156 hours forecast (7 days) T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 156 (GLOBAL MODEL) RELATIVE HUMIDITY 850 HPA)

The HTXO85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (O): 120 hours forecast (5 days) T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) TEMPERATURE 850 HPA)

The HVXQ85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HV): Northward wind component A1 (X): Global Area (area not definable) A2 (Q): 144 hours forecast T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) WIND COMPONENT 850 HPA)