On August 11th, 2017, the remnants of a tornado producing storm (near Hawkesville, Ontario) crashed into Hamilton/Burlington and put on an incredible lightning show, and the bolts lit up the shelf cloud. The entire scene looks so menacing. This was overlooking Hamilton, Ontario. The entire chase recap and time lapse: https://www.antonfalco.com/Blog/StormChaseRecapAugust11th2017TheDayOfWallCloudsAndLightning