WSCN03 CWAO 210223
CZWG SIGMET C3 VALID 210220/210620 CWEG-
CZWG WINNIPEG FIR FRQ TSGR FCST WI 20NM WID LINE BTN N4913 W09814 - N4912 W09931
TOP FL500 MOV SW 10KT WKN=