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- Siberian air is descending on Canada. Here’s what to know about the ‘polar vortex’ National Post
- Parts of Canada will be bitterly cold this weekend — but don’t call it a polar vortex CBC.ca
- Extreme cold warnings in effect across Prairies, parts of Ontario and Quebec Global News
- Arctic surge bringing ‘very cold conditions’ to Toronto this weekend CityNews Toronto
- Sharp temperature drop in Ontario as coldest air of the year arrives The Weather Network