GTA spared worst of major winter storm as up to 50 cm targets other parts of Ontario CTV News50 cm of snow possible in Ontario amid countrywide winter weather advisories CTV NewsLake-effect snow squalls kick-started by cold air mass, will heavily impact travel The Weather NetworkEnvironment Canada warns of snowy conditions in Newmarket, Vaughan, surrounding areas CBC‘Travel will likely be hazardous’: Environment Canada updates weather advisories for York and Durham regions DurhamRegion.com