WSCN02 CWAO 231729 CZEG SIGMET A6 VALID 231725/232125 CWEG- CZEG EDMONTON FIR SEV ICE (FZRA) FCST WI 60NM WID LINE BTN N6757 W09507 - N6352 W08507 SFC/FL030 MOV ENE 10KT NC=