The polar vortex’s icy grip on much of America has Arctic Greenland seeming like ...

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 ...

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

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

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

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

the polar vortex remains in place and strong, but it also just pulls and bends. Stretch outbreaks are usually slightly milder ...

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

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 ...

WASHINGTON — The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has been ...

Computer forecast models say that the polar vortex is likely to stretch again, sending cold air south somewhere and probably to the United States, around March 5, Cohen said. This is quite late ...