Sometimes, the polar vortex simply stretches out, bringing quick bursts of cold air and some wintry weather to the U.S. In ...

The tropospheric polar vortex is a normal feature that influences weather across the globe every winter, while the ...

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

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

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

The polar vortex can be likened to a powerful wall of wind that contains ultra-cold Arctic air over the North Pole. When this vortex weakens, it allows cold air to spill southward into regions such as ...

An extreme warming event high in the atmosphere is threatening to disrupt the polar vortex. We break down what that could ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, ...

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

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south for Veterans' Day. But what is the Polar Vortex, exactly?

Although a major winter outbreak is not guaranteed, forecasters are watching for below-average temperatures to develop in the ...

Forecasters are expecting a weakened polar vortex to bring cold air after Thanksgiving. An uncommon occurrence at this time ...