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 polar regions—here’s how it works ...

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

North and South Pole, is very cold. So that's your polar vortex. That's what the polar vortex is," explained KARE 11 meteorologist Jamie Kagol. So what does that have to do with Minnesota?

A rush of Arctic air will plunge parts of North America into bitter cold this weekend, bringing heavy snow, strong winds and frigid temperatures to parts of Canada.

While jet streams are air patterns, the Gulf Stream is an ocean pattern that also has an impact on weather.

Life-threatening' cold temperatures generated by a polar vortex will be fueling ... like temperatures plunging well below zero. Antarctica 'super vortex' is speeding up due to climate change ...

But what is it? Definition: The polar vortex is a flow of wind aloft that is always present above the cold, North and South Pole areas. In the Northern Hemisphere this results in a counter ...

Another Polar Vortex also exists over Antarctica. Brown explained that, at times, the polar vortex can stretch out and cause the Jet Stream to dip farther south. That change allows cold air to ...