WSCN23 CWAO 210006 CZWG SIGMET C1 VALID 210005/210405 CWEG- CZWG WINNIPEG FIR FRQ TSGR FCST WI 50NM WID LINE BTN /N4926 W09643/30 SE CYWG - /N4926 W09805/30 S CYPG TOP FL540 MOV W 5KT WKN RMK GFACN32=