As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...
FOX 5 Washington DC on MSN
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 ...
The Weather Network on MSN
What is the polar vortex? How it’s responsible for dangerous cold
What is the polar vortex? It’s a wintertime mainstay capable of flooding Canada with some of the world’s coldest air ...
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