WSCN24 CWAO 272039
CZYZ SIGMET L4 VALID 272035/280035 CWUL-
CZYZ TORONTO FIR FRQ TS OBS WI 50NM WID LINE BTN /N4619 W07926/5 S CYYB - /N4713
W07800/45 S CYVO - /N4810 W07643/45 E CYVO TOP FL480 MOV E 35KT NC
RMK GFACN33/CZUL MONTREAL FIR SIGMET B1=