By Matt Alto, Meteorologist
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More Weather News

Daily U.S. Extremes

past 24 hours

  Extreme Location
High 84° Immokalee, FL
Low -19° Saranac Lake, NY
Precip 2.72" New Orleans, LA


The Polar Vortex is a large pocket of bitterly cold air that typically is located around the North Pole. However, when the Polar Vortex is displaced southward, the door is open for the frigid air to plunge into the United States.

This Day In Weather History

Northwest (1965)
Record snowfall: Spokane, Wash., - 20.9 inches and Yakima, Wash., 21.4 inches.

Valparaise, Ind. (1981)
Heavy lake-effect snowburst dumped 22 inches in just a 3-hour period.


12/18/2017 4:24:30 PM /news-entry.asp .75.112 (accuweather)-- [new]