The National Weather Service has completed its survey of a tornado that struck Southwestern Indiana in the early morning hours Saturday.

A tornado occurred in the Midlands on Sunday morning, the National Weather Service in Columbia has confirmed. “A survey team determined an EF-1 tornado occurred in the Chapin-Lake Murray area from the Timberlake community northeastward to the Old Lexington Rd and Wessinger Rd area with peak winds around 90 mph,

The Tri-State Tornado barreled across more than 200 miles, decimating entire towns in and leaving thousands homeless on March 18, 1925.

Even 100 years later, the Tri-State tornado is widely considered America's worst tornado. It killed almost 700 in an era without warnings or radar.