tornado Is The Miami Valley A Tornado Hotspot? WYSO Curious Dives In By Liam Niemeyer • Sep 15, 2017 Liam Niemeyer / WYSO This week on WYSO Curious –we answer two listener questions about tornados. First question: Why is the Miami Valley a tornado hotspot? And secondly: How does the National Weather Service go about alerting us when a tornado is approaching? Tornado Near Dayton Confirmed By The Associated Press Ohio • Mar 15, 2016 Joe Glasgow/Facebook / Via National Weather Service Wilmington OH The National Weather Service confirms a tornado caused damage in a southwest Ohio village near Dayton.