Here's the reminder why some kind of storm shelter, or safe room is a GOOD IDEA. Look at the pictures.
http://www.nbcdfw.com/weather/stories/Tornadoes-Leave-Trail-of-Damage-Across-Three-Counties-420833194.html
We had one 4-5 miles west of us, the same year, one east of us 3 miles. And we joked about "we've been ranged, here comes the real thing!" yeah... some kind of storm cellar, root cellar - I like the dual purpose idea!