Intense supercell which produced the tornado that caused damage at Ashton, Rochelle, Fairdale and Kirkland in Lee, Ogle, and De Kalb counties in Illinois. The storm is seen from Rochelle at the junction of I-88 and Illinois 251 at the beginning of the video, and near the junction of I-39 and Illinois 72 by the end. Video runs from 7:08-7:23 PM CDT on April 9, 2015.