Las Vegas Sun

July 23, 2014

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Deep Freeze

Mon, Jan 6, 2014 (8:42 a.m.)

A whirlpool of frigid, dense air known as a “polar vortex” descended Monday into much of the U.S., pummeling parts of the country with a dangerous cold that could break decades-old records with wind chill warnings stretching from Montana to Alabama.

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