The FTRO40 TTAAii Data Designators decode as: T1 (F): Forecast T1T2 (FT): Aerodrome (VT >= 12 hours) A1A2 (RO): Romania (Remarks from Volume-C: NilReason)
The WVRO31 TTAAii Data Designators decode as: T1 (W): Warnings T1T2 (WV): Volcanic ash clouds (SIGMET) A1A2 (RO): Romania (Remarks from Volume-C: NilReason)
The WARO31 TTAAii Data Designators decode as: T1 (W): Warnings T1T2 (WA): AIRMET A1A2 (RO): Romania (Remarks from Volume-C: NilReason)
The SARO40 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SA): Aviation routine reports A1A2 (RO): Romania (Remarks from Volume-C: NilReason)
The UARO70 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (RO): Romania T1T2ii (UA70): Special aircraft reports, related to volcanic ash (Remarks from Volume-C: NilReason)