WSCN05 CWAO 271630
CZUL SIGMET D1 VALID 271630/272030 CWUL-
CZUL MONTREAL FIR FRQ TS OBS WI 20NM WID LINE BTN N4546 W07612 - N4457 W07538 -
N4435 W07556 TOP FL320 MOV NNE 40KT NC=