WSCN25 CWAO 271008 CZUL SIGMET C6 VALID 271005/271405 CWUL- CZUL MONTREAL FIR FRQ TS OBS WI /N4929 W07445/20 SW CYMT - /N4835 W07424/45 N CYPP - /N4808 W07656/30 E CYVO - /N4832 W07654/45 NE CYVO - /N4929 W07445/20 SW CYMT TOP FL440 MOV SE 20KT WKN RMK GFACN33=