Derecho leaves damage behind LUTHER, IA - AUGUST 11: A damaged grain bin sits on top of a pile of soybeans at the Heartland Co-Op grain elevator on August 11, 2020 in Luther, Iowa. Iowa Gov. Kim Reynolds said early estimates indicate 10 million acres, nearly a 1/3 of the states land used for crops, were damaged when a powerful storm battered the region a day earlier. (Photo by Daniel Acker/Getty Images) (Daniel Acker/Getty Images)