How Bad Would Tornadoes Be If There Were No Warnings?

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To answer the question in the title, all you have to do is look at the past and increase the numbers for population growth. Here is a list of the ten worst U.S. tornadoes in terms of deaths. With the exception of Joplin, all occurred without an advance tornado warning and most occurred outside of the traditional Tornado Alley. 

With today's much greater population, these death tolls -- without warnings -- would be inflated that much more. That is why the tornado warning system is so very important. 

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