The PAXX43 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PA): Radar data from Rostock

The HGXN92 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HG): Divergence A1 (X): Global Area (area not definable) A2 (N): 108 hours forecast T1ii (H92): 925 hPa (Remarks from Volume-C: H+ 108 (GLOBAL MODEL) DIVERGENCE 925 HPA)

The HHXH40 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HH): Height A1 (X): Global Area (area not definable) A2 (H): 42 hours forecast T1ii (H40): 400 hPa (Remarks from Volume-C: H+ 42 (GLOBAL MODEL) HEIGHT 400 HPA)

The HPXW89 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HP): Pressure A1 (X): Global Area (area not definable) A2 (W): Not assigned T1ii (H89): Any parameter reduced to sea level (eg MSLP) (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) MEAN SEA LEVEL PRESSURE)

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 HHXO20 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 (H20): 200 hPa (Remarks from Volume-C: H+ 120 (GLOBAL MODEL) HEIGHT 200 HPA)

The HUXW98 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (W): Not assigned T1ii (H98): Air priorities for the Earth's surface (Remarks from Volume-C: H+ 54 (GLOBAL MODEL) WIND COMPONENT 10 METRES)

The HUXA10 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (A): Analysis (00 hour) T1ii (H10): 100 hPa (Remarks from Volume-C: H+ 00 (GLOBAL MODEL) WIND COMPONENT 100 HPA)

The HUXI25 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HU): Eastward wind component A1 (X): Global Area (area not definable) A2 (I): 48 hours forecast T1ii (H25): 250 hPa (Remarks from Volume-C: H+ 48 (GLOBAL MODEL) WIND COMPONENT 250 HPA)

The HPXE89 TTAAii Data Designators decode as: T1 (H): Grid point information (GRIB) T1T2 (HP): Pressure A1 (X): Global Area (area not definable) A2 (E): 24 hours forecast T1ii (H89): Any parameter reduced to sea level (eg MSLP) (Remarks from Volume-C: H+ 24 (GLOBAL MODEL) MEAN SEA LEVEL PRESSURE)