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.
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This post was written by Schnack on December 20, 2012