Polar vortex headed for US will bring ‘exceptionally cold’ temps in the new year: ... Most of the United States east of the Rocky Mountains is expected to be frozen by the polar vortex, ...

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this weekend.

A graphic depicting the science behind a polar vortex. Forecasts suggest it will bring cold air to much of the U.S. in early 2025. NOAA. During winter in the Northern Hemisphere, the polar vortex ...

A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as a polar vortex, is forecast to bring subzero temperatures to the ...

The 2013-14 polar vortex resulted in record-shattering cold and snowfall which swept across Canada and the eastern US, plunging the regions into one of their coldest winters.

That’s because the polar vortex doesn’t cause US cold air outbreaks but instead amplifies them, Jennifer Francis, a senior scientist at the Woodwell Climate Research Center said.

Here's how the polar vortex, and climate change, influence extremely cold winter weather in the US. Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex ...