Polar vortex death toll rises to 21 as US cold snap continues - BBC News

1. Polar vortex death toll rises to 21 as US cold snap continues  BBC News
2. The icy grip on the Midwest is easing. Now comes the thermal whiplash.  CNN
3. Go away, polar vortex: Record-breaking cold that killed 18 will give way to 'spring-like temperatures'  USA TODAY
4. Midwest awaits spring-like thaw; temperatures could climb by 80 degrees  Fox 32 Chicago
5. The Polar Vortex and the Climate  The New York Times
6. View full coverage on Google News