Once every two years there is a disruption of the polar vortex. So you get very strong warming like tens of degrees Celsius ...

A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across ...

A powerful winter storm system that swept across the eastern United States over the weekend, killing at least 10 people, has now shifted westward, with a polar vortex expected to grip the Rockies and ...

There is a sudden warming about to happen high up in the atmosphere. This warming will affect the Polar Vortex. The Polar Vortex is a fast-spinning circular motion usually located about 50,000 feet in ...

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

As Thanksgiving fast approaches, eyes are on a round of storms taking shape in the South Plains that could affect travel ...

Sudden Stratospheric Warming (SSW) events occur during the winter months and can lead to Arctic outbreaks across the US. They ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the US, seems ...