What is a derecho? An inland hurricane you've never heard of
Andrea Rainone
ByAndrea Rainone
3 days agoUpdated: August 10, 2026, 2:37 pm EDTPublished: August 10, 2026, 2:11 pm EDT

The August 10, 2020 derecho caused billions of dollars in damage with winds near 140 mph. But what exactly is a derecho? Often described as an inland hurricane, a derecho is a fast-moving band of thunderstorms that can race hundreds of miles, flattening trees and homes and knocking out power.

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