WSCN24 CWAO 180441
CZYZ SIGMET P1 VALID 180440/180840 CWUL-
CZYZ TORONTO FIR FRQ TS OBS WI 20NM WID LINE BTN /N4719 W08244/45 SE CYLD -
/N4653 W08442/25 N CYAM - /N4628 W08355/25 E CYAM - /N4617 W08220/25 N CYZE TOP
FL460 MOV ENE 25KT NC
RMK GFACN33=