U.S. hit with most unusually cold air of any region in the world this week

February 19, 2015 10:25 PM

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U.S. hit with most unusually cold air of any region in the world this week

A powerful blast of frigid, Arctic air, which is being aided by a filament of the polar vortex, has begun smashing longstanding temperature records, from the Ohio Valley to the mid-Atlantic states.

The eastern U.S. is currently gripped by the most unusually cold air of any region on Earth, based on computer model data showing global temperature departures from average, with temperatures between 25 and 45 degrees below average or more.

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