A moderate risk of severe weather had been declared by the SPC for July 19. A cluster of storms did develop in the late afternoon and early evening hours in Missouri and Illinois with additional activity in Wisconsin and southern Minnesota. Three tornadoes were reported including a derecho that formed in the St. Louis metro area with heavy damage to trees and power lines, knocking out power to over 500,000 people. The other reports came from Illinois. In addition, there have been 80-90 reports of severe wind including reports of 80 mph (130 km/h) winds in De Soto, Missouri and in Havana, Illinois.