Why There's a Big Chill in a Warmer World 1 234 567

Why There's a Big Chill in a Warmer World

voanews.com

Anchorage, Alaska, was warmer Tuesday than Jacksonville, Florida. The weather in the U.S. is that upside down.That's because the Arctic's deeply frigid weather escaped its regular atmospheric jail that traps the worst cold. It then meandered south to the central and eastern United States.And this has been happening more often in recent times, scientists say.Why is it so cold?Super cold air is normally locked up in the Arctic in the polar vortex , which is a...

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