WSCN27 CWAO 060341 CZQX SIGMET K2 VALID 060340/060740 CWUL- CZQX GANDER DOMESTIC FIR SEV TURB FCST WI 90NM WID LINE BTN /N5046 W05841/45 NE CYHR - /N4852 W05416/15 E CYQX - /N4644 W05220/60 S CYYT FL380/420 MOV ESE 40KT WKN RMK GFACN34/CZUL MONTREAL FIR SIGMET L2=