The polar vortex is a large area of circulating cold air above the North Pole. Strong winds keep it contained, but when it ...

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming.

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...

According to meteorologists and climatologists, critical changes in two major atmospheric patterns—La Nina and the polar ...

A cold blast has gripped the Northeast, and meteorologists say it could be a sign of what’s to come. The FOX Weather Forecast ...

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

A phenomenon capturing the attention of many on social media could lead to bitter cold in parts of the U.S. around and after ...

Meteorologists warn that a disruption of the polar vortex could lead to a snowier and colder winter. Tony Lugo, professor of ...

Next week’s pre-winter arctic plunge might be a sign of things to come for the Eastern U.S., as several key weather patterns ...

A potential polar vortex on the way means temperatures are going to tumble and electric bills are going to surge once ...

A sudden, dramatic shift in temperatures high in the atmosphere will dance with the La Niña weather pattern. There won't be a clear winner.