WSCN27 CWAO 121928 CZQX SIGMET K1 VALID 121925/122325 CWUL- CZQX GANDER DOMESTIC FIR FRQ TS OBS WI /N5121 W06732/75 SW CSF3 - /N5126 W06104/75 NW CYHR - /N5039 W06401/25 NW CYGV - /N5121 W06732/75 SW CSF3 TOP FL300 MOV S 15KT WKN RMK GFACN34/CZUL MONTREAL FIR SIGMET A2=