Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...

How is climate change affecting polar regions? Climate change is amplified in the polar regions. The northern and southern reaches of the planet are warming faster than any area on Earth, with the ...

The polar vortex, a pattern in the Arctic region, is causing extreme cold weather in the US and Europe. Despite this, the world is warming, with January setting a monthly heat record. Climate change ...

According to the Severe Weather Europe website—an online resource of global weather forecasts—a mass of cold air, spurred by the polar vortex, has been forecast to move over Canada and the northern ...

Harsh weather moved west as a polar vortex was expected to grip the Rockies and the northern Plains after winter storms ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar vortex affects the weather.

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...

Plenty of climate scientists believe these visits from the polar vortex could just be a wrinkle. There’s still a lot that researchers don’t know about weather and climate, and this involves a ...

U of T Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change.

Polar vortex is not a synonym for “cold snap,” according to the Polar Vortex Blog at Climate.gov, and it’s not the only weather pattern to blame for blasts of cold air. "Weather can happen ...