WSCN24 CWAO 271221
CZYZ SIGMET F4 VALID 271220/271620 CWUL-
CZYZ TORONTO FIR FRQ TS OBS WI /N4722 W08304/30 S CYLD - /N4758 W08440/5 E CYXZ
- /N4837 W08345/45 N CYLD - /N4807 W08146/30 SW CYTS - /N4722 W08304/30 S CYLD
TOP FL440 MOV ENE 20KT WKN
RMK GFACN33=