As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...
A 2025 satellite image shows a series of ghostly ice swirls sculpted on the surface of Lake Michigan by strong winds during an extreme cold snap that covered Chicago in a blanket of snow.
What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...
Michigan is experiencing frigid temperatures and heavy snow due to a dip in the jet stream, not the polar vortex. The polar vortex is a large-scale cyclone of cold air that typically stays far north ...
What is the polar vortex? It’s a wintertime mainstay capable of flooding Canada with some of the world’s coldest air ...