Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air currents that typically hang over the Arctic.

A second polar vortex swirls over Antarctica. Typically that cold air is contained by a fast moving current of air known as the jet stream. The speed of that current is typically propelled by the ...

The system, known as a polar vortex, is forecast to bring subzero temperatures to the Midwest, Mid-Atlantic and deep into the South. And it looks as if we may get more arctic blasts in the coming ...

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

It looks like it could get even colder heading into next week. Within the last decade, the phrase 'polar vortex' has become popularized in the weather world. In fact, you may have heard it getting ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...