The HRXS30 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 (H30): 300 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXH50 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 (H50): 500 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) RELATIVE HUMIDITY 500 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 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 HRXG60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 36 (GLOBAL MODEL) RELATIVE HUMIDITY 600 HPA)
The HRXD60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 18 (GLOBAL MODEL) RELATIVE HUMIDITY 600 HPA)
The HRXS50 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 (H50): 500 hPa (Remarks from Volume-C: H+ 168 (GLOBAL MODEL) RELATIVE HUMIDITY 500 HPA)
The HRXQ30 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (Q): 144 hours forecast T1ii (H30): 300 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) RELATIVE HUMIDITY 700 HPA)
The HRXX60 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 (H60): 600 hPa (Remarks from Volume-C: H+ 66 (GLOBAL MODEL) RELATIVE HUMIDITY 600 HPA)
The HRXQ50 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HR): Relative humidity A1 (X): Global Area (area not definable) A2 (Q): 144 hours forecast T1ii (H50): 500 hPa (Remarks from Volume-C: H+ 144 (GLOBAL MODEL) RELATIVE HUMIDITY 500 HPA)