Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around the poles, making winter weather more chaotic.

Last month’s prolonged Arctic outbreak caused the coldest December in 15 years. Winter-weary Berkshire residents are ...

Learn how climate change is causing warmer winters, intense storms, and unpredictable weather patterns. Scientists warn of ...

(CNN) — High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

There are signs that something is happening above the Arctic that will have major implications for the weather in the United States soon. It's referred to as "major sudden stratospheric warming," ...

The polar vortex is weakening, which means New England is in for a colder than usual December, with episodic cold snaps. Every year around this time, that phrase — “polar vortex” — starts to buzz ...

The weeks after Thanksgiving might just be a tease for some intense Arctic cold that could arrive later in December. So, cold weather lovers — your time appears to be approaching. And snow lovers, the ...

If you’ve ever wondered why winter sometimes flips from mild to brutally cold, the answer might be hiding 20 miles above your head. That’s where a rare atmospheric phenomenon called sudden ...

Meteorologists are currently monitoring a massive atmospheric anomaly as a significant disruption of the polar vortex begins to take shape this January. Researchers describe the current movement as ...

You may have seen in the news that a Sudden Stratospheric Warming (SSW) event is occurring - what does that mean, and what are the potential impacts for Kentuckiana? The stratosphere is the layer of ...

Temperatures for much of this week are above normal before our next storm system arrives on Thursday & Friday. However, when looking at long-range data, you can see hints of something brewing up north ...

A Sudden Stratospheric Warming (SSW) event is categorized by a drastic increase in temperatures in the stratosphere over just a few days. This occurs when large-scale atmosphere waves, known as Rossby ...