WSNT01 CWAO 160037 CZQX SIGMET E1 VALID 160035/160435 CWUL- CZQX GANDER OCEANIC FIR/CTA SEV MTW FCST WI 50NM WID LINE BTN N6000 W04330 - N6200 W04230 FL320/420 STNR WKN=