7 h. ago Triple polar vortex to plunge central and eastern U.S. into Arctic cold through mid

Triple polar vortex to plunge central and eastern U.S. into Arctic cold through mid-December  Yahoo

Politics

13 h. ago Polar vortex to bring triple whammy of Arctic cold to US through mid

Polar vortex to bring triple whammy of Arctic cold to US through mid-December  Yahoo

Politics

32 h. ago Cold Weather Forecast to Bring Chilliest Temperatures of the Season

There’s no denying it. It’s really December.

Science

6 d. ago Polar Vortex Watch: A large Polar Vortex core is about to dive into North America, bringing snow and cold weather to last

Polar Vortex Watch: A large Polar Vortex core is about to dive into North America, bringing snow and cold weather to last  Severe Weather Europe

Politics

2 w. ago La Niña vs. polar vortex? Forecast warns of 'extraordinary' winter weather.

La Niña vs. polar vortex? Forecast warns of 'extraordinary' winter weather.  USA Today

Events

3 w. ago Maps show cold temperatures in eastern U.S., early season lake effect snow due to polar vortex

Maps show cold temperatures in eastern U.S., early season lake effect snow due to polar vortex  CBS News

Politics