A major tornado outbreak occurred on November 17, 2013. In total, 74 tornadoes were produced, seven were rated EF3 and two were rated EF4. Per NWS Chicago, this ranked as the 4th largest outbreak for the state of Illinois, in terms of number of tornadoes, since 1950. The EF-4 tornado with maximum estimated winds of 190 mph that struck Washington, IL was the strongest on record for Illinois in the month of November since 1950. That is the topic of this summary! Read here!