The QWNI98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QW): Wind A1 (N): Northern hemisphere A2 (I): 24 hours forecast T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: (COSEU) Maxwind 10 m, H+18,+24 (gpv))

The QGNM98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QG): Significant weather A1 (N): Northern hemisphere A2 (M): 36 hours forecast T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: H+18, H+30, H+42 (COSEU) RR-amount, H+12, H+24, H+36 (COSEU), 700 hPa U, Cloud type(gpv), present weather (ww) (gpv))

The QBNU98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QB): Cloud A1 (N): Northern hemisphere T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: H+60, H+72 (COSEU) 850 hPa H+T, Cloud amount CL, wind (10 m) (gpv), H+54,H+78 (COSEU) Tmax, (gpv), H+66 (COSEU) Tmin (gpv))

The PHNT50 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PH): Height A1 (N): Northern hemisphere A2 (T): 10 days forecast T1ii (P50): 500 hPa (Remarks from Volume-C: H+168,+192,+216,+240 (ECM) 500 hPa H, MSL pressure)

The QWNE98 TTAAii Data Designators decode as: T1 (Q): Pictorial information regional (Binary coded) T1T2 (QW): Wind A1 (N): Northern hemisphere A2 (E): 12 hours forecast T1ii (Q98): Air priorities for the Earth's surface (Remarks from Volume-C: (COSEU) Maxwind 10 m, H+06,+12 (gpv))

The PTNO50 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PT): Temperature A1 (N): Northern hemisphere A2 (O): 120 hours forecast (5 days) T1ii (P50): 500 hPa (Remarks from Volume-C: H+84,+96,+108,+120 (ECM) 500 hPa H + T, MSL pressure)

The PTNS85 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PT): Temperature A1 (N): Northern hemisphere A2 (S): 168 hours forecast T1ii (P85): 850 hPa (Remarks from Volume-C: H+132,+144,+156,+168 (ECM) 850 hPa T, 700 hPa U)

The PTNO85 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PT): Temperature A1 (N): Northern hemisphere A2 (O): 120 hours forecast (5 days) T1ii (P85): 850 hPa (Remarks from Volume-C: H+84,+96,+108,+120 (ECM) 850 hPa T, 700 hPa U)

The PTNS50 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PT): Temperature A1 (N): Northern hemisphere A2 (S): 168 hours forecast T1ii (P50): 500 hPa (Remarks from Volume-C: H+132,+144,+156,+168 (ECM) 500 hPa H + T, MSL pressure)

The PPNE98 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PP): Pressure A1 (N): Northern hemisphere A2 (E): 24 hours forecast T1ii (P98): Air priorities for the Earth's surface (Remarks from Volume-C: pressure reduced to MSL wind kt 10m H+00 H+24)