The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

This blast of cold weather is due to activity of the polar vortex.

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...

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

The polar vortex is always around. It is a channel of strong winds high up in the atmosphere that circles the poles. One over ...

Imagine the polar vortex as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the north ...

The polar vortex, a band of strong winds that circles the North Pole, will send a blast of arctic air to Texas. The good news is the center of the polar vortex is staying in Canada. It is not coming ...

The polar vortex is a large area of low pressure, winds, and cold air surrounding both of the Earth’s poles, according to the ...

The mere mention of the term "polar vortex" can set your head spinning (and maybe eyes rolling). It’s got to be clickbait, ...

Our next outbreak of bitterly air will arrive next week, plunging temperatures well below average for a time. But where does this cold air come from? It has an Arctic origin near the North pole! A ...