Strong Thunderstorm Produces Wind Damage in Kenosha (updated 7 PM 7/13)

A cluster of thunderstorms rapidly strengthened over far southeast Wisconsin during the late evening on Saturday July 12.  One of the thunderstorms turned severe over central and eastern Kenosha county around 1030 pm CDT and produced wind damage.  A storm survey team from the National Weather Service confirmed reports that we received earlier from Facebook and Twitter that estimated a 3.6 mile west to east path of tree, roof, fence and power line damage in the city of Kenosha.  The damage was located just south of Highway 50 and east of Green Bay Road.  The below image illustrates the location of some of the damage reports, which are highlighted by yellow push-pins.  Click the image for a larger view.

Kenosha storm damage reports

 

The below radar animation shows the rapidly intensifying thunderstorm between about 10:20 pm and 10:30 pm CDT.  The bulk of the damage in Kenosha occurred between 10:25 pm and 10:35 pm CDT (click for larger view). While radar indicated rotational signatures aloft, the storm survey team found no evidence of damage caused by rotational winds at the surface. It was concluded that all the damage was caused by straight-line winds, ranging between 80 and 100 mph.

Radar animation

 

Here are some picture from the storm survey.


Kavinsky/Marquardt
National Weather Service - Milwaukee/Sullivan

 



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