A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...

Storm warnings are in effect in the Plains, the Midwest, the Great Lakes, and the mid-Atlantic through tonight.

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

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

A polar vortex is forecasted to blanket most of the ... Wind chills of -15 to -25 are expected in Chicago according to the National Weather Service, with sub-zero lows expected on Sunday and ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades ... on Tuesday morning. In Chicago, the Windy City, it ...

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?

two bands of fast-moving air – the polar jet stream and the stratospheric polar vortex – sometimes tango together to influence weather in the northern hemisphere. As the Arctic continues ...

Giulia Carbonaro is a Newsweek Reporter based in London, U.K. Her focus is on U.S. and European politics, global affairs and housing. She has covered the ups and downs of the U.S. housing market ...

The University of Wisconsin-Madison faced a frigid start to the semester, with the polar vortex expected to bring more icy ...

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 ...