Tornado safety measures.  If you own a house and you are in the house.  The ideas below could really help. 

A storm shelter or storm cellar is a type of underground bunker designed to protect the occupants from violent severe weather, particularly tornadoes. They are most frequently seen in the Midwest (“Tornado Alley”) and Southeastern United States (“Dixie Alley”) where tornadoes are generally frequent and the low water table permits underground structures.