The storm of June 29, 2012 started in the Chicago area entered the Miami Valley at about 3:15 p.m. It produced 19 Severe Thunderstorm Warnings throughout the region.
Credit: DaytonDailyNews
Notably, the storm caused the cancellation of the planned Freedom’s Call event at Wright-Patterson Air Force Base, which was an annual public event on the base grounds.
A derecho is a straight-line wind storm that stays intact for a long period of time. Gusts of up to 80 mph or faster are possible with derechos.
Credit: DaytonDailyNews
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