As Canadians, we are very familiar with the term ‘polar vortex.’ We are also familiar with its effects on Canadian weather when it ‘acts up.’ While the polar vortex is a year-round phenomenon, we tend ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

Add Yahoo as a preferred source to see more of our stories on Google. Atmospheric scientists were surprised earlier this month to notice that the Arctic's polar vortex reversed its trajectory as it ...

A look at what scientists say about the polar vortex and climate change.

The polar vortex rages in the arctic during the winter, producing winds up to 150 miles per hour. But when that vortex weakens, arctic air escapes to more southerly latitudes, which creates ...

With all this warming weather, you may be wondering if winter is coming back. There are signs winter will return. A researcher who tracks the polar vortex says he sees changes with the vortex ...

Atmospheric scientists were surprised earlier this month to notice that the Arctic's polar vortex reversed its trajectory as it began spinning in the opposite direction. What's more: It has yet to ...