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

Polar air is descending over Canada dropping temperatures nation-wide. The Weather Network's meteorologist Laura Power has ...

High above the North Pole, about 10 to 30 miles above Earth’s surface, sits a massive whirlpool of icy air known as the polar ...

A polar vortex — a large area of low pressure — is heading south from the Arctic, bringing with it cold weather across many ...

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

Multiple doses of Arctic air will bring significantly cold weather to much of Canada as we head into the start of meteorological winter ...

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

The alarming trend of record-low sea ice in Hudson Bay has dire consequences for polar bears, who are fasting on land and ...

Using the meteorological calendar, winter starts on December 1st and runs through February 28th. David Phillips says there is ...

Arctic air is creating chilly conditions for millions of Americans out shopping on Black Friday, as another shot of even colder air from a disrupted polar vortex is expected to further plunge ...

Alberta is headed for what The Weather Network calls “a very cold winter,” driven by the return of La Niña and what the ...

Blasts of frigid Arctic air could send temperatures tumbling in December and herald the arrival of a more “traditional ...