Most tornadoes sighted by one person

According to Official Guinness Records,

As of 31 December 2015, professional storm-chaser Roger Hill (USA) has logged 630 encounters with tornadoes since 7 July 1987, including a staggering 40 on 16-17 June 2010. Roger has turned his expertise in predicting tornadoes into a business, offering educational storm-chasing vacations across much of the USA.

For a complete list of 2015 records, please visit 2015 Guinness Records in United States.

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