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What is the polar vortex? Why it matters as snow and Arctic cold threaten the Northeast
What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...
Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march ...
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What it means when a polar vortex 'breaks'
The term "polar vortex" seems to be popping up in weather forecasts more and more often, ever since North America got blindsided by a stunningly frigid winter back in 2014. The polar vortex isn't a ...
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