There have been several polar vortex episodes across the United States this winter, with the mass of freezing air surging ...

The polar vortex's icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

Impact on North America's weather in March - An in-depth look at the forecasted polar vortex collapse and its potential ...

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter.

It has been frigid not only in the Northeast but also throughout the central United States. An extreme cold warning is in ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...

You might have heard the term “polar vortex” thrown around during the winter months, but what does it really mean and how ...

While temperatures are expected to rise in the coming days, polar vortex air is predicted to hit the United States again during the first week of March, bringing freezing temperatures to much of ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the ...