WVTU31 LTFM 191254
LTBB SIGMET 2 VALID 191254/191800 LTFM-
LTBB ISTANBUL FIR EXER
VA ERUPTION MT TERCEIRA PSN N3844 W02719 VA CLD OBS AT 1200Z NW OF
LINE N3608 E02926 - N3630 E03000
SFC/FL200 NC FCST AT 1800Z SE OF LINE N3922 E02623 - N4107 E03100 AND 
OBS AT 1200Z SE OF
LINE N3922 E02629 - N4220 E03100 FL200/550 FCST AT 1800Z SE OF LINE
N3626 E02726 - N4122 E03100=