Polar Vortex Updates: Extreme Cold Weather Spreads East - The New York Times

1. Polar Vortex Updates: Extreme Cold Weather Spreads East  The New York Times
2. Why is it so cold? Split in polar vortex brings historic deep freeze to US  The Independent
3. Polar vortex 2019: Record cold grips the Midwest as Chicago River turns to ice  CBS News
4. Chicago misses all-time record, but cold snap was still historic  Fox 32 Chicago
5. Record-shattering Arctic blast keeps the Midwest in a deep freeze  The Washington Post
6. View full coverage on Google News

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