Warmth is weakening the polar vortex. Here’s what it means for extreme cold.
Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...
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What's up with Chicago snowfalls? WGN meteorologist Demetrius Ivory explains.
Meteorologically speaking, Chicago winters are changing. And who better than a meteorologist to explain what we’re ...
Photos: Chicago Polar Bear Club’s annual Polar Plunge
People plunge into freezing Lake Michigan during Chicago Polar Bear Club 24th annual Polar Plunge event at Oak Street Beach on Jan. 25, 2025.
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Did the Polar Vortex Cause the Recent Snow in Florida? We Ask the Experts
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 ...
Polar vortex brings coldest air in 2 years to central Ohio
The polar vortex, a swirling mass of cold air located over the polar regions, is responsible for the cold. COLUMBUS, Ohio — ...
Argonne National Lab researching links between weather in Chicago and the Arctic
Researchers at Argonne National Laboratory in southwest suburban Lemont are taking a close look at how that Arctic weather is impacting weather in the Chicago area, and how climat ...