A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of the United States. Scientists are monitoring the event closely ...

The blast of cold that fueled record snowfall across Gulf Coast beaches last week was just the latest to transport frigid air that normally swirls above the North Pole to places much farther south ...

Those rumors came from a weather blog in north Texas that posted about the "polar vortex" a few days after Christmas. At the moment, there is no cold air outbreak in the forecast, even extended.

The term “polar vortex” might conjure images of mythical icy storms swirling through the North Pole but in reality it’s a ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...