Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.

Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...

Researchers have developed a new portable tool that could improve how firefighters douse fires, making the process more efficient and far less risky.

A significant meteorological event is poised to impact vast regions of the United States. The polar vortex, a large area of low pressure and cold air surrounding the Earth’s poles, is expected to ...

As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...

Nature is capable of the most mysterious, surreal, stunning, and powerful things. The only thing we can do as humans is to ...

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

But what exactly is it and how does it impact our weather? The polar vortex is like a giant, swirling pool of super-cold air in the upper atmosphere over the North Pole. Imagine it like a children ...

Maps show what to expect as the cold front arrives. The polar vortex is a large area of cold air and low pressure that normally spins over the North and South Poles. During the winter months and ...

The intense cold snap about to settle over most of Canada and the U.S. has been dubbed a “polar vortex’, but Environment ... as easily be called “Arctic air or Siberian air.” ...

DON'T MISS: What is the polar vortex? How it’s responsible for dangerous cold Strong wind gusts will make it feel much colder than it actually is, and many provinces will experience frigid wind chills ...

The polar vortex is an air mass above the North Pole, located high in the stratosphere. Humans dwell in the troposphere, and the stratosphere is just above it. Chenard added that temperatures "could ...