Add Yahoo as a preferred source to see more of our stories on Google. When most people hear the term polar vortex, they think of extreme cold, dangerous wind chills and relentless winter weather.

Add Yahoo as a preferred source to see more of our stories on Google. The bitter cold temperatures that are descending across the northern tier of the United States are caused by a break in the polar ...

Nearly all of New England has seen its share of frigid cold days and record mountain snow so far this November — and looking ahead, we’re about to get hit with another blast of Arctic air from a ...

December might be extra chilly across parts of the United States because of a weather phenomenon unfolding miles above the North Pole. It’s called sudden stratospheric warming and happens once every ...

Early forecasts suggest a Super El Niño may disrupt the Polar Vortex. This disruption could bring colder and snowier conditions to North America and Europe. Such events have historically followed ...

The blast of cold that fueled record snowfall across Gulf Coast beaches last week was just the latest to transport frigid air that normally swirls above the North Pole to places much farther south — a ...

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 ...

It seems like you cannot mention cold weather in the fall and winter without coming across the phrase “polar vortex.” Meteorologists often refer to this weather element as a potential culprit behind ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — The polar vortex hit its ...

A polar vortex break causes bitter cold across the northern U.S. It’s a regular winter phenomenon, sending Arctic air southward during weakened polar winds. The break results from sudden stratospheric ...

When most people hear the term polar vortex, they think of extreme cold, dangerous wind chills and relentless winter weather. While the polar vortex can certainly deliver frigid air, it doesn’t always ...

The blast of cold that fueled record snowfall across Gulf Coast beaches last week was just the latest to transport frigid air that normally swirls above the North Pole to places much farther south - a ...