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Severe Thunderstorms in the Southeast; Critical Fire Weather in the Northern Plains

Isolated severe storms with locally damaging wind gusts and hail are possible from the coastal Carolinas into the Florida Peninsula, and along the central Gulf Coast. Heavy rain may cause localized areas of flash flooding in the Gulf Coast. Gusty winds and dry conditions may produce elevated to critical fire weather across the northern/central Plains. Record heat is expected in the West. Read More >

Overview

A fast moving clipper system overspread the region on the morning of December 13th. In general, a widespread 2 to 5 inch event occurred along and south of the Highway 30 corridor. There were some very localized swaths of 6 inches or more from southwest of Iowa City to Wapello and Muscatine IA, and from far southeastern IA into portions of west central IL. The greatest impact was dangerous travel conditions on Interstate 80 in Iowa, where several multi-vehicle accidents resulted in the highway being closed much of the afternoon and evening.

In addition, temperatures dropped sharply behind the departing system, with sub-zero air temperatures and wind chills in the -20 to -30 degree F range for several hours Sunday morning Dec 14th. 
 

NWS Official Totals

Moline: 3.8"
Davenport NWS: 2.3" 

 

Image
Snow Summary Infographic

Temperature / Wind Chill Infographic Top Image: I-80 MM 206 near Willamsburg, IA (926 am 12/13)
Bottom Image: I-80 MM 267 near Tipton, IA (422 pm 12/13)
Images Courtesy: IA DOT (click to enlarge)
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