WVIL31 BICC 111500 BIRD SIGMET A02 VALID 111512/111812 BIRK- BIRD REYKJAVIK CTA EXER MT LANGJOKULL PSN N6451 W01942 VA CLD OBS WI N6610 W01940 - N6440 W01900 - N6440 W02550 - N6640 W02320 - N6610 W01940 SFC/FL270 MOV NW 40KT NC=