These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary between Arctic and more temperate air – dips deeply southward, bringing the cold Arctic air to regions that don’t often experience it.

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and it’s as dramatic as it sounds. As many as 47 states will experience unseasonably cold temperatures. Some areas will be hit with dangerous wind chills as low as 40 below zero.

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame. Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.

Ranked dead last, or perhaps not mentioned at all, would probably be the only state that sits partly within the Arctic Circle: Alaska. But 2025 is off to an interesting start as far as the weather is concerned.

Keim says this blast of cold air likely came from the Arctic as part of the “polar vortex.” The “polar vortex” is an area of cold air and low pressure that always exists around the Earth ...

Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles. Think of it as a barrier that, when strong, keeps icy polar air trapped up north.

The polar vortex, a natural atmospheric phenomenon, influences global winter weather by circulating Arctic air. Its expansion brings frigid air south, causing unusual cold spells. Increasing ...

Police officers, residents and volunteers from across the state plunged into cold waters Saturday afternoon in an effort to raise money for Special Olympics Oklahoma. This polar plunge took place ...

Extreme cold warnings due to the polar vortex continue to impact Canadians this week. While January is known for bringing the worst of winter weather and taking a toll on mental health, it’s certainly outdone itself this year. Although many of us worry ...

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Boruto: Two Blue Vortex Chapter 18 dropped recently and while it drove the plot to the exciting parts of the arc, the author's lack of development pertaining to worldbuilding stood out quite a lot.

MAINE (WGME) --It has been a frigid week, all due to the polar vortex. You may have heard our Weather Authority mention the polar vortex several times, especially this week. The polar vortex is a ...