WSCN21 CWAO 122134 CZVR SIGMET M2 VALID 122130/130130 CWEG- CZVR VANCOUVER FIR FRQ TS OBS WI 40NM WID LINE BTN /N5210 W11504/45 W CYQF - /N5408 W11834/60 S CYQU - /N5312 W11944/15 SE CAV4 TOP FL400 STNR NC RMK GFACN32 GFACN31/CZEG EDMONTON FIR SIGMET L2=