WSCN05 CWAO 272325 CZUL SIGMET K5 VALID 272325/280325 CWEG- CZUL MONTREAL FIR SEV TURB OBS WI 180NM WID LINE BTN N5737 W07712 - N6315 W07359 - N6443 W06904 SFC/FL040 MOV E 10KT NC=