Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

The polar vortex, the notorious swirl of winds around a low pressure area in the upper atmosphere over the Arctic, has split in two. Since the polar vortex tends to be associated with some of the ...

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, as the ...

Consider 2018. Up until mid-February, it had been a mild winter. But then the stratosphere suddenly warmed, the polar vortex fractured and weather mayhem unfolded over much of Europe and eastern ...

When the polar vortex is strong, cold air is less likely to plunge deep into North America or Europe. Picture this strong vortex fencing off the coldest air from the U.S. and Europe.

Polar Vortex Collapse ... of Europe are forecast to give way to periods of unseasonably cool temperatures and stormy weather during April. The first such shift will take place over the ...

The polar vortex and jet stream winds may send it over Europe or Asia. The "Greenland Block" pattern could increase the chances for cold air in the US, however it is too early to determine if this ...

This winter, the polar vortex winds have stayed consistently stronger than average, corresponding to anomalously low atmospheric thickness over the Arctic (and generally warmer than averaged ...

The polar vortex is getting disrupted as temperatures climb high in the atmosphere above the North Pole, and this could lead to a significant change in weather patterns over the U.S. and Canada as … ...