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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 ...
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Polar vortex shift poised to unleash more bitter cold across the US through mid-December
As one blast of Arctic air pushes out to sea, already a new surge of cold air, driven by a breakdown of the polar vortex, is likely to expand from central Canada and through the midwestern and eastern ...
Long after one blast of Arctic air pushed offshore last week, a new surge of cold air, driven by a breakdown of the polar vortex, expanded from central Canada and to the Midwest on Sunday and will ...
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