Weather Alert

A “Derecho” Thunderstorm Complex Stormed Across Central Iowa Monday

A thunderstorm complex known as a “Derecho” moved across central Iowa during the day Monday.  A Derecho is a thunderstorm complex with intense winds that is fast moving and travels a great distance.  Thunderstorm wind gusts within a derecho can reach 100 MPH.  The thunderstorm complex often looks like a bow on radar images.  Below is the track of the derecho that made it’s way across South Dakota, Iowa, Illinois, Indiana and Ohio yesterday from the Storm Prediction Center.

A derecho only occurs in the United States 1 to 3 times per year and are most common in June, July and August.


Below are some pictures of the derecho thunderstorm complex that made it across Iowa yesterday.





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