National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. 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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