Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.

It’s cold, it’s icy and it’s dreaded by Canadians across the country. It’s the polar vortex. Weather specialist Riley Laychuk breaks down what the polar vortex is and why it might not be as scary as ...

America is bracing for the coldest arctic blast of the season as a polar vortex is set to bring 'most severe' cold snap and ...

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

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more likely.

FARGO — The Polar Vortex has become a favorite winter weather buzzword in recent years, despite the fact that only serious meteorologists actually know what it is. The Polar Vortex is not the ...

While February kicked off with some moderate conditions, next week looks to feature another incursion resulting from the destabilization of the polar vortex, in this particular event, a split.

ORLANDO, Fla. – You know the catch phrase: hold on to your butts! We’ve seen very generous warming across Central Florida the last week and some change now. This is because our pattern has ...

So, that's why jet streams are important.” The polar jet stream and polar vortex are two rings of fast-moving air around the Arctic, which play a large role in world weather patterns ...