Today marks the 44th anniversary of what is called 'The Overland Park Tornado' that- on April 19 1966- struck a then-new subdivision and grazed an elementary school just letting out for the school day near 95th Street and Knox.
Here's the summary of that event- found in the weather history area on the lower right side of this blog:
1966 - April 19 - A tornado forms over what was then farmland east of I-35 & 119th Street in Johnson County KS. and moves northeastward.
Within 10 minutes - the F-3-rated tornado strikes a new housing subdivision and barely misses an elementary school at West 96th St. & Knox in Overland Park.
There are several minor injuries and the tornado-bearing storm moves over highly-populated areas of southern K.C. & Independence, MO..
The official warning was issued by the local broadcast media after the tornado had touched down - traveled it's roughly 4 to 5-mile-long path and lifted.
Also- here's a CSW blog post relating to the OP tornado from 3 years ago.