WSCN05 CWAO 182333
CZUL SIGMET D2 VALID 182330/190330 CWUL-
CZUL MONTREAL FIR FRQ TS OBS WI 30NM WID LINE BTN N4737 W07232 - N4709 W07252 -
N4604 W07455 TOP FL550 MOV E 20KT WKN=