A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...

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 ...

The upcoming midweek storm is one of several systems that promises to bring precipitation and eventually the month's coldest ...

And if the polar vortex is to blame. First, a quick refresher on the polar vortex. The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located ...

Alan O'Reilly from Carlow Weather has been reacting to reports from long-range forecasters predicting a significant ...

Latest weather maps show that a 'polar vortex split' is about to hit the UK causing wintry chaos. It could being up to 11 ...

At the same time we go into a touch milder southwest flow, the polar vortex will still be churning away over northeast Canada. I don’t expect a full onslaught of the polar vortex to shift south ...

The jet stream is like a river of west-to-east winds in the upper atmosphere. Airplanes use it like a highway.

Europe may be in for another cold blast like the one that surprised forecasters and sent gas prices soaring last week, with the potential weakening of winds that keep frigid air confined to the Arctic ...

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

Cold outbreaks - including an episode in January 2014 that brought the coldest winter in the Midwest in decades - introduced much of the public to the polar vortex. The phrase refers to a ...