National Weather Service United States Department of Commerce

Event Summary: August 20, 2019

A line of strong to severe thunderstorms impacted much of eastern Iowa, northwest Illinois, and northeast Missouri early Tuesday morning. This line of storms produced wind gusts to 70 MPH and several reports of wind damage. Several trees and power lines were taken down in Mediapolis, Monmouth and Roseville.

In addition, torrential rainfall fell with storms as they formed along and north of the I-80 and I-380 corridors. Rainfall amounts of 1-4 inches were reported, which lead to flash flooding in southern portions of the Cedar Rapids metro.





Surface Analysis (Courtesy Weather Prediction Center)

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