Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

This stability helps keep the polar vortex — and all its bitterly cold air — locked up in the Arctic, far from places like the United States or Europe. However, when the jet stream weakens ...

The big winter weather challenge has now come and gone in the form of last week’s polar vortex. The Eastern railroads got ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

As the Artic is warming much faster than other parts of the planet, the temperature difference that helps maintain the polar vortex's stability is reduced, resulting in a weaker jet stream ...