Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to Kentucky.
The polar vortex is a large area of circulating cold air above the North Pole. Strong winds keep it contained, but when it ...
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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