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 ...

The polar vortex, winter's favorite whipping boy, ... In short, there are now two smaller vortices, the Weather Channel explains: one over western Canada and another over Europe.

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 ...

The polar vortex appears to be on the move. That’s because stratospheric warming is occurring at high altitudes above the North Pole, resulting in a spike in temperatures.

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.