A powerful derecho storm moved through the Upper Midwest on Friday night, gathering up 73 damaging wind reports, according to the National Weather Service, and … A derecho — pronounced deh-REY-cho — is a “widespread, long-lived wind storm that is associated with a band of rapidly moving showers or thunderstorms,” according to … On Aug. 10, a derecho with winds of more than 100 miles per hour unexpectedly blew through Iowa, leaving Beatty’s farm near Atkins, and others like it, with significant building and crop damage. At a Glance. After a catastrophic storm left his farm in disarray, Don Beatty had to get his family together and start assessing the damage. June 22, 2019. Although a derecho can produce destruction similar to the strength of tornadoes, the damage typically is directed in one direction along a relatively straight swath. A derecho (pronounced similar to "deh-REY-cho") is a widespread, long-lived wind storm that is associated with a band of rapidly moving showers or thunderstorms. A derecho tore through the Midwest into parts of the South on Friday. Updated 9/2/20: This news release has been updated to include Benton, Boone, Cedar, Jasper, Marshall, Polk, Poweshiek, Scott, Story and Tama Counties IR-2020-190, August 24, 2020 WASHINGTON — Victims of the August 10 derecho storm that affected parts of Iowa now have until December 15, 2020, to file various individual and business tax returns and make tax payments, the …