WSCN07 CWAO 211346 CZQX SIGMET D1 VALID 211345/211745 CWUL- CZQX GANDER DOMESTIC FIR SEV TURB OBS WI 50NM WID LINE BTN N4711 W05834 - N4325 W06116 FL340/380 MOV NNW 20KT NC=