Tom Jeffery : As a hazard scientist , I am in tune daily with the looming threats of nature and the the places that are most susceptible . It seems like natural disasters are hitting with no warning . Others : No place in the world is risk - free , but in some places , it 's not ` ` if '' but ` ` when '' From 2000 to 2011 , he says , almost all tornadoes hit states outside Tornado Alley . Others : 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 warning . Others : No place in the world is risk - free , but in some places , it 's not ` ` if '' but ` ` when '' From 2000 to 2011 , he says , almost all tornadoes hit states outside Tornado Alley . Others : As U.S. population grows every year , so does the cost of severe weather .