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 ...

Nearly all of Michigan received an extreme cold warning yesterday. A surge of arctic air known as the polar vortex is the cause behind this abnormally cold weather. According to the National Weather ...

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 ...

MINNEAPOLIS, Minnesota — Our entire region is under an Extreme Cold Weather Warning until 12 p.m. Tuesday; wind chills could fall as low as -45 degrees. This Arctic blast is thanks to a polar vortex.

But during the winter, it is joined by a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located more than 10 miles above Earth’s surface, strengthens each year ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and ...

When this stratospheric vortex becomes disrupted or stretched, it can distort the jet stream as well, pushing it southward in some areas and causing cold air outbreaks. The Arctic polar vortex is ...

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 ...

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this ...

The mere mention of the term "polar vortex" can set your head spinning (and maybe eyes rolling). It’s got to be clickbait, right? Or maybe someone dreamed up the name for views? Is it a storm?

These outbreaks can happen when the polar vortex is in a weaker state, allowing cold air that is normally confined to the north to break off and move further south. Some experts say this is ...

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...