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 HRXF30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 30 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXR50 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 (H50): 500 hPa (Remarks from Volume-C: H+ 156 (GLOBAL MODEL) RELATIVE HUMIDITY 500 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 HRXE85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (E): 24 hours forecast T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) RELATIVE HUMIDITY 850 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 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 HRXC85 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (C): 12 hours forecast T1ii (H85): 850 hPa (Remarks from Volume-C: H+ 12 (GLOBAL MODEL) RELATIVE HUMIDITY 850 HPA)
The HRXB60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 06 (GLOBAL MODEL) RELATIVE HUMIDITY 600 HPA)
The HRXG30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (G): 36 hours forecast T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)