North and central Georgia are set for freezing temperatures in January, as shown on a map, due to a polar vortex forecast to push frigid winds across the country. After one of the warmest ...

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate ...

This is in the wake of a massive winter storm that brought snow as far south as Alabama and Georgia. In order for the polar vortex to travel south, the jet stream must weaken. The jet stream is ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

It is not, however, the second coming of a polar vortex, a phrase the National Weather Service's Chicago office tweeted earlier this week to describe the upcoming sweater weather. They quickly ...

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in coming days and ...