People search for cover as a derecho storm pushes through Chicago, Illinois, in August 2020. A derecho is a significant, potentially destructive weather event that is characterized as having widespread, long-lived, straight-line winds.
Mandatory Credit: Scott Olson/Getty Images/File
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What is a derecho and why is it so destructive?
A derecho is a significant, potentially destructive weather event that is characterized as having widespread, long-lived, straight-line winds associated with a fast-moving group of severe thunderstorms.
