WSCN21 CWAO 271858
CZVR SIGMET M1 VALID 271855/272255 CWEG-
CZVR VANCOUVER FIR FRQ TS OBS WI 20NM WID LINE BTN /N4952 W11731/30 N CYCG -
/N4907 W11758/15 SW CYCG TOP FL300 MOV ENE 15KT NC
RMK GFACN31=