Cold warning in effect, snowfall warning issued for Sunday CTV NewsPolar vortex: What is the frigid arctic system hitting Canada? Global News‘People can die in weather like this.’ Toronto staff tell shelters, warming centres not to turn anyone away as temperatures drop thestar.comFrom Alberta to the Atlantic provinces, Canada faces a wind-chilled deep freeze this weekend CBCToo cold to ski: Bone-chilling cold warnings sweep Canada calgary.citynews.ca
