- Polar vortex death toll rises as Midwest awaits thawFox News
- Polar Vortex Updates: Extreme Cold Weather Spreads EastThe New York Times
- Polar vortex cold snap sets all-time cold records across the Midwest, kills at least 9Axios
- As face-freezing weather subsides, Chicagoans ready for a break: ‘Zero is going to feel warm’Chicago Tribune
- How dangerous (and historic) is the Polar Vortex hitting the Midwest? | TheHillThe Hill
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