No single thunderstorm event in modern times — not even a tornado — has wrought as much economic devastation as the derecho that slammed the nation’s Corn Belt on Aug. 10, based on analyses from the public and private sectors.
Democracy Dies in Darkness
Iowa derecho in August was most costly thunderstorm disaster in U.S. history
NOAA estimates damage at $7.5 billion, higher than many hurricanes.
By Bob Henson
October 17, 2020 at 9:04 a.m. EDT