The HRXH30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXJ70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (J): 60 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 60 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXI30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (I): 48 hours forecast T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXD30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (D): 18 hours forecast T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXN60 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (N): 108 hours forecast T1ii (H60): 600 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) RELATIVE HUMIDITY 600 HPA)
The HRXB70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (B): 6 hours forecast T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXS70 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 (H70): 700 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXF50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (F): 30 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) RELATIVE HUMIDITY 500 HPA)
The HRXX70 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (X): Not assigned T1ii (H70): 700 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXS85 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 (H85): 850 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) RELATIVE HUMIDITY 850 HPA)