December 20

From NWS
2008
: An area of low pressure produced strong winds and snow across much of Iowa on December 20-21. While snowfall accumulations were generally light, an inch or two at most locations, there was already a snow pack of 6 to 12 inches in most areas and winds increasing to 25-35 mph with gusts to 40-50 mph whipped the snow up to create blizzard conditions especially across northern portions of the state. Many roads quickly drifted shut, snow plows were called off, and some highways were closed north of Highway 30 with law enforcement officials reporting visibility reduced to below 100 feet in open areas. In addition to blowing and drifting snow the strong winds combined with subzero temperatures to produce dangerous wind chills in the -30 to -40 F range.

 This Day in National/World Weather History …
 20 December 1986 → An “Alberta Clipper” intensified explosively south of New England bringing high winds, torrential rains, and heavy snows to the region. Up to 4 inches of rain fell in southern areas and winds gusted frequently to 70 mph. 30 inches of snow fell in southern Vermont, 24 inches on the higher elevations of western Massachusetts, and 20 inches in New Hampshire.
 20 December 1990 → Snow fell at Santa Maria, CA for the first time since records were kept.
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Posted under Weather History

This post was written by Schnack on December 20, 2012

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