The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

This blast of cold weather is due to activity of the polar vortex.

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

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

A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

A polar vortex over southern Ontario means Waterloo region, Guelph and Wellington County will experience very cold ...

The polar vortex can be disrupted by factors such as natural turbulence, high-latitude ocean warming, sea ice loss, sudden atmospheric warming, planetary waves and climate change, says the ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

Does climate change affect the polar vortex? It is not known whether climate change will affect the polar vortex, says Amy Butler, an atmospheric scientist at the National Oceanic and ...

Some researchers do believe there is a connection between climate change and the impact to the Arctic and polar vortex activity, but for others this is still an active area of investigation.