WSCN05 CWAO 270832
CZUL SIGMET C5 VALID 270830/271230 CWUL-
CZUL MONTREAL FIR FRQ TS OBS WI N4955 W07450 - N4841 W07452 - N4847 W07602 -
N4950 W07555 - N4955 W07450 TOP FL460 MOV SE 20KT WKN=