Add Yahoo as a preferred source to see more of our stories on Google. Get ready for some much colder weather. Forecasters are calling for a return of the polar vortex in the coming days and weeks.

The author, Richard Rood, is a professor of atmospheric science at the University of Michigan. A few years ago, the “polar vortex” surged into the public language of weather and climate change. Now, ...

The polar vortex has been absent from the United States for most of winter thus far, which led to a very warm January. The Eastern Seaboard through the central and southern Plains recorded ...

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming. Reading time 3 minutes Much of the contiguous U.S. could be in for a very ...

JACKSONVILLE, Fla. – You may have seen scientists warning of a snowier (for our neighbors to the north) and colder winter thanks to disruptions in the polar vortex, but what does that mean and how ...