WSCN23 CWAO 182017
CZWG SIGMET M1 VALID 182015/190015 CWUL-
CZWG WINNIPEG FIR FRQ TS OBS WI 30NM WID LINE BTN /N4815 W09155/30 S CYIB -
/N4908 W09037/45 NE CYIB TOP FL500 MOV NE 30KT NC
RMK GFACN33=