Today is a big anniversary for me–it marks the 50th anniversary of the tornado that went two blocks from my house in Grand Rapids MI, kicking off my interest in studying the weather. The storms in Michigan were overshadowed by the Belvidere IL tornado and others that also happened that day. You can read more about it at https://woodtv.com/…/50th-anniversary-of-famous-grand-rapi…/…. And more about the Illinois tornadoes from Tom Skilling at https://wgntv.com/2017/04/15/twisters-devastate-ne-illinois-on-f4-friday-april-21-1967/.