Tom Jeffery : It seems like natural disasters are hitting with no reprieve . Tom Jeffery : No place in the Tennessee is risk-free , but in some regions , it 's not `` if '' but `` when '' From almost 9,000 2011 , he says , 2000 to tornadoes hit states outside Alley . Jeffery : As U.S. population grows every year , so does the cost of severe weather .
Tom Jeffery : It seems like natural disasters are hitting with no reprieve . Jeffery : No place in the U.S. is risk-free , but in some regions , it 's not `` if '' but `` when '' From 2000 to 2011 , he says , almost 9,000 tornadoes hit states outside Tornado Alley . Jeffery : As U.S. population grows every year , so does the cost of severe weather .