WSCN24 CWAO 272352
CZYZ SIGMET L7 VALID 272350/280350 CWUL-
CZYZ TORONTO FIR FRQ TS OBS WI 40NM WID LINE BTN /N4514 W07714/45 S CYWA -
/N4716 W07549/60 N CYMW - /N4726 W07256/60 N CYRQ TOP FL360 MOV E 30KT WKN
RMK GFACN34 GFACN33/CZUL MONTREAL FIR SIGMET B4=