WACN22 CWAO 210615 CZEG AIRMET B1 VALID 210615/211015 CWEG- CZEG EDMONTON FIR MOD ICE FCST WI 60NM WID LINE BTN /N7240 W09108/ - /N7240 W07349/75 E CYIO SFC/FL020 STNR NC RMK GFACN37=