Still, even with a warning telling folks in Oklahoma to take cover due to a tornado, there’s not a lot folks can do other than seek emergency shelter. And in the case of the Mandrells ...

After a devastating tornado killed at least 24 people in Moore, Oklahoma, attention is now focusing on why so few homes have tornado shelters. WSJ's Jack Nicas reports.

A tornado slides across Oklahoma. Image courtesy NSSL ... Is there an interior room on the ground floor that you can use as a storm shelter? Have a plan, and make sure everyone in your family ...