What Is A Polar Vortex?

ST. LOUIS (KMOX) – So what’s to blame for this extreme cold we are seeing all across the nation? Experts call it a polar vortex.

In layman’s terms its kind of like a winter hurricane, according to Brian Walsh, Time magazine senior editor.

He recently talked to the “CBS This Morning” co-hosts about this weather phenomenon.

Watch the video below:

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