The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles the Earth’s poles. Even though it’s often framed in the media as a weather ...

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

(Watch the forecast from Dec. 30 at 4 p.m. in the video player above.) While this polar vortex event will not affect Northern California, its presence in the central and eastern U.S. will have an ...

Forecast data mapped by the organization shows that snow accumulation could change by up to 40 mm a day in some parts of the northern U.S. next week, between January 5 and 9, including Montana ...

A researcher expects the polar vortex to strengthen over the next two weeks. This has a big impact on our day-to-day weather here in the Great Lakes region and even the Northeast. Judah Cohen ...

Harsh weather moved west as a polar vortex was expected to grip the Rockies and the northern Plains after winter storms ... or about 50,000 to 80,000 barrels a day — pretty typical for ...

The weather during the week of Thanksgiving will get very interesting, with the remnants of a bomb cyclone and a polar vortex within a seven-day span. Skip Navigation. Share on Facebook; ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the ...