Urban Flooding in Elkhorn Wednesday afternoon

A slow-moving thunderstorm complex moved north through Walworth County between 230 pm and 420  pm Wednesday afternoon (July 22).  Several of the thunderstorm cells trained through the area around and within the city of Elkhorn and dumped heavy rains that resulted in urban flooding.  Ponding of water in low spots on some roads in and around Elkhorn reached the hub caps and front bumpers of cars.  WSR-88D Doppler radar rainfall estimates suggest 1.5 to 1.75 inches fell within an hour in iparts of the city of Elkhorn and that up to 2.5 inches fell a mile or two southeast of the city square southeast of Interstate 43.  Most of the rain would have fallen between 3 pm and 345 pm.

Below are a couple pictures taken by Lt. Kevin Williams of the Elkhorn Sheriff's Department.  Kevin also serves as the Walworth County Emergency Management Director.  He reported that there were gusty outflow winds on the order of 40 to 50 mph were associated with the strongest storm, and that some construction signs were blown down.

urban flood 1

urban flood 2

Below is a radar image showing the thunderstorm reaching the Elkhorn, Walworth County, area about 312 pm.  Note the bright red colors - they indicate heavy rains.

Elkhorn radar image



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