WSCN24 CWAO 270747
CZYZ SIGMET F1 VALID 270745/271145 CWUL-
CZYZ TORONTO FIR FRQ TS OBS WI 20NM WID LINE BTN /N4737 W08631/75 S CYSP -
/N4819 W08544/30 SE CYSP - /N4844 W08158/25 NW CYTS TOP FL520 MOV E 15KT NC
RMK GFACN33=