The HHXO60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) HEIGHT 600 HPA)

The HTXN60 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HT): Temperature A1 (X): Global Area (area not definable) A2 (N): 108 hours forecast T1ii (H60): 600 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) TEMPERATURE 600 HPA)

The HRXK60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 72 (GLOBAL MODEL) RELATIVE HUMIDITY 600 HPA)

The HVXE60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) WIND COMPONENT 600 HPA)

The HTXS60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) TEMPERATURE 600 HPA)

The HRXS60 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (S): 168 hours forecast T1ii (H60): 600 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) RELATIVE HUMIDITY 600 HPA)

The HTXI60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) TEMPERATURE 600 HPA)

The HTXO60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) TEMPERATURE 600 HPA)

The HHXJ60 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (J): 60 hours forecast T1ii (H60): 600 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) HEIGHT 600 HPA)

The HRXW60 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (W): Not assigned T1ii (H60): 600 hPa (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) RELATIVE HUMIDITY 600 HPA)