What Is This Polar Vortex That Is Freezing the U.S.? - Scientific American Blog Network
What Is This Polar Vortex That Is Freezing the U.S.? - Scientific American Blog Network
Why frigid air, normally bottled up at the North Pole, sometimes pours down as far south as Florida
Welcome to the Polar Vortex Blog!
The “Polar Vortex” Winter of 2013/2014 - Cohen - 2022 - Journal of Geophysical Research: Atmospheres - Wiley Online Library
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What Is This Polar Vortex That Is Freezing the U.S.? - Scientific American Blog Network
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Icy blast reminds of 2014 'polar vortex,' with worst to come