• A storm is classified as a derecho if wind damage swath extends more than 240 miles and has wind gusts of at least 58 mph or greater along most of the length...
  • For a storm to be classified as a derecho it must have wind gusts of at least 93 km per hour; wind damage swath extending more than 400 km.
  • While a derecho can produce destruction similar to a tornado (or even a hurricane), the NWS says that the storm will only show damage sweeping from one...
  • States of Nebraska, Minnesota and Illinois in the US were hit by a storm system called a Derecho which turned the skies green.
  • To be classified as a derecho, a storm has to have a wind damage swath of over 240 miles and wind gusts of 58 mph or greater along most of its length.
  • For a storm to be classified as a derecho, wind speeds must reach 58 miles per hour, have “well-separated 75 miles per hour or higher wind gusts, wind damage...
  • The storms, known collectively as a derecho (pronounced deh-REY-cho), also flooded parts of Marshalltown, knocked down power lines and trees and caused...
  • Huge storms produced widespread hurricane-like severe wind damage across Iowa, northern Illinois, and northern Indiana during the day on Monday, August 10.
  • The structure of a derecho-producing storm looks distinctive in radar and satellite imagery, Pryor said.