The series of Arctic outbreaks, of which at least three are expected, will likely surge south out of Canada into the Plains, ...

In 2014, the term “polar vortex” burst on the scene across Canada and the U.S. as temperatures plunged. In some places, it ...

As winter approaches, the intriguing dance of La Niña and a disrupted polar vortex raises the tantalizing question: will ...

One of the most notable and widespread Arctic outbreaks that we have seen across North America since 2014 is on the way. An Arctic air mass from Siberia will plunge south across the Prairies and ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

Early-season stratospheric warming events spark hype around frigid temperatures. Learn the myths and the science about the ...

FILE PHOTO: The city skyline is seen in drifting snow during the polar vortex in Buffalo, New York, US, January 2019. (REUTERS) A polar vortex collapse is expected to strike in mid-March, bringing ...

A polar vortex collapse is predicted to bring severe winter-like weather to parts of Canada and the US around the middle of this month. This same weather event affected several regions across North ...

Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the ...