National Weather Service Weather Forecast Office

Severe thunderstorms developed during the morning of Wednesday, July 16, and slowly moved across central Wisconsin.  The storms produced wind gusts over 65 mph, hail over two inches in diameter, and torrential rainfall that resulted in flooding.

Above is a map of storm reports across the Midwest.

The slow movement and west-to-east configuration of the storms, resulted in flooding in parts of east-central Wisconsin.  Over four inches of rain fell in portions of Waupaca, Outagamie, Calumet, and Manitowoc counties, resulting in flooding of roads, creeks, and low spots. 

Radar reflectivity (Click for larger image).  Note the line of thunderstorms extending west-east across the area, and the large storm over northeast Waupaca County.	Radar velocity (Click for larger image).  Note the bright green signature in northeast Waupaca County.  That is a downburst wind of over 70 mph near Marion, which blew down hundreds of trees in that area.

Above are radar images from 2:10 PM showing the storms across central Wisconsin.

Click here for a list of reports that came into the NWS Green Bay office during the storms.

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