Understanding the Arctic polar vortex

Polar vortex expert Amy Butler and Arctic expert James Overland offer perspectives on the February cold snap in the southern U.S., the polar vortex, and how the Arctic might influence mid-latitude weather.

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THE POLAR VORTEX EXPLAINED

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Welcome to the Polar Vortex Blog!

Polar jet stream makes deep dive into southern United States (Feb

Understanding the Arctic polar vortex