AN NWS SURVEY TEAM CONFIRMED THAT AN EF-1 TORNADO TOUCHED DOWN APPROXIMATELY TWO MILES SOUTH OF POPLAR GROVE.
THE TORNADO TRAVELED APPROXIMATELY 10.3 MILES AND LIFTED THREE MILES NORTHWEST OF HARVARD.
THE TORNADO WAS ON THE GROUND FOR AROUND 13 MINUTES.
A line of severe thunderstorms moved across northern Illinois late in the evening of May 17th and overnight into May 18th. There were numerous reports of damaging winds occurring with these thunderstorms along with a few reports of hail up to the size of golf balls. An EF-1 Tornado also occurred touching down approximately two miles south of Poplar Grove and dissipating approximately 3 miles northwest of Harvard.