The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of ...

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

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the polar regions—here’s how it works ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward ... before rapidly moving south and east and encompassing much ...

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

The polar vortex is like a giant, swirling pool of super-cold air in the upper atmosphere over the North Pole. Imagine it like ... air can spill out and slide south, making places like the United ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

Recent forecasts suggest some Americans might be getting a much-needed break from the freezing temperatures that have gripped much of the country.

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