Jon Rosenlund, Grand Island emergency management director, stands inside a portable demonstration model of a tornado-safe room made by Case New Holland. A variety of plans for tornado safe rooms are available online.

MILWAUKEE --- Without even thinking, Joe Ortner rattles off a list of items on his family's dairy farm that could kill you: 1,000 gallons of diesel, 500 gallons of gas, cleaning chemicals in the milking parlor, oil and lubricant for repair work and a 6-foot-deep manure pond in which you could drown.He pauses and adds three bulls to the list.