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 ...

The polar vortex circling the Arctic is swirling in the wrong direction after surprise warming in Earth's atmosphere triggered a major reversal event earlier this month. It is one of the most extreme ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Check this out — it’s so cool! Animation of ...