Swaths of the U.S. are expected to be hit with multiple intrusions of frigid air this month.

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

Meteorologist Tyler Hamilton tracks the movement of a polar vortex, detailing a significant drop in temperatures across ...

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 ...

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 ...