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Severe Thunderstorms in the Ohio and Tennessee Valleys; Flash Flooding Possible in the Southwest

Scattered damaging winds, isolated severe hail, and a brief tornado or two are possible from the Upper Ohio to Tennessee Valleys during the late afternoon and evening. Across the Southwest, monsoonal moisture will continue to bring heavy rain and a threat for isolated to scattered flash flooding through Saturday. Read More >

Overview

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A warm, moist, and unstable air mass across the region ahead of a southward sinking cold front resulted in thunderstorm development, several being severe. These produced large hail and scattered damaging winds. Most hail reports ranged in size from quarter to golf ball size hail. The largest hail fell in Van Buren County near Keosauqua where 2 to 3 inch diameter hail fell. There were also a few reports of 60 to 80 MPH across far southeast Iowa into west central Illinois which damaged trees and knocked down several outbuildings.  The most widespread damage occurred near Oakville, IA.  

In addition, two brief tornadoes touchdown in northern McDonough County in west central Illinois and did not cause any damage.

 

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