WSCN02 CWAO 210137 CZEG SIGMET L2 VALID 210135/210535 CWEG- CZEG EDMONTON FIR FRQ TS OBS WI 30NM WID LINE BTN N4938 W11207 - N5102 W11044 - N5219 W11110 TOP FL380 MOV E 25KT NC=