Meteorologically speaking, Chicago winters are changing. And who better than a meteorologist to explain what we’re ...

Find Chicago Winter Skyline Snow stock video, 4K footage, and other HD footage from iStock. Get higher quality Chicago Winter Skyline Snow content, for less—All of our 4K video clips are the same ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...

The polar vortex, a swirling mass of cold air located over the polar regions, is responsible for the cold. COLUMBUS, Ohio — ...

And if the polar vortex is to blame. First, a quick refresher on the polar vortex. The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located ...

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

People plunge into freezing Lake Michigan during Chicago Polar Bear Club 24th annual Polar Plunge event at Oak Street Beach on Jan. 25, 2025.

Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.