The LVYG31 TTAAii Data Designators decode as: T1 (L): Aviation Information in XML A1A2 (YG): Serbia T1T2 (LV): Aviation Volcanic Ash warning("SIGMET") (Remarks from Volume-C: NilReason)
The WVYG31 TTAAii Data Designators decode as: T1 (W): Warnings T1T2 (WV): Volcanic ash clouds (SIGMET) A1A2 (YG): Serbia (Remarks from Volume-C: NilReason)
The LSYG31 TTAAii Data Designators decode as: T1 (L): Aviation Information in XML A1A2 (YG): Serbia T1T2 (LS): Aviation general warning("SIGMET") (Remarks from Volume-C: NilReason)
The LWYG31 TTAAii Data Designators decode as: T1 (L): Aviation Information in XML A1A2 (YG): Serbia T1T2 (LW): AIRMET (Remarks from Volume-C: NilReason)
The WSYG31 TTAAii Data Designators decode as: T1 (W): Warnings T1T2 (WS): SIGMET A1A2 (YG): Serbia (Remarks from Volume-C: NilReason)
The FTEU31 TTAAii Data Designators decode as: T1 (F): Forecast T1T2 (FT): Aerodrome (VT >= 12 hours) A1A2 (EU): Europe (Remarks from Volume-C: NilReason)
The UAYG71 TTAAii Data Designators decode as: T1 (U): Upper air data T1T2 (UA): Aircraft reports A1A2 (YG): Serbia T1T2ii (UA71): Special aircraft reports, related to volcanic ash (Remarks from Volume-C: NilReason)
The LTYG31 TTAAii Data Designators decode as: T1 (L): Aviation Information in XML A1A2 (YG): Serbia T1T2 (LT): Aerodrome Forecast ("TAF") (VT>=12 hours) (Remarks from Volume-C: NilReason)
The WAYG31 TTAAii Data Designators decode as: T1 (W): Warnings T1T2 (WA): AIRMET A1A2 (YG): Serbia (Remarks from Volume-C: NilReason)
The FTYG31 TTAAii Data Designators decode as: T1 (F): Forecast T1T2 (FT): Aerodrome (VT >= 12 hours) A1A2 (YG): Serbia (Remarks from Volume-C: NilReason)