Midwest Polar Vortex in pictures: Niagara Falls, Lake Michigan and Chicago River frozen – Newsweek
- Midwest Polar Vortex in pictures: Niagara Falls, Lake Michigan and Chicago River frozen Newsweek
- University of Iowa student dies during polar vortex; 7 other deaths linked to wintry blast Fox News
- Polar vortex death toll rises as Arctic blast keeps the Midwest in a deep freeze The Washington Post
- Polar Blast Envelops Midwest, Strains Aging Infrastructure HuffPost
- Why is it so *&%# cold? Come warm up in the answer vortex MPR News
- View full coverage on Google News
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