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The longest lived tornado on record lasted 3 hours and 29 minutes. This tornado, known as the Tri-State tornado holds several other records as well.
There are no records of any tornado in the United States on Halloween of 1983.
The word 'tornado' is a noun, a word for a violent, whirling weather formation; a word for a thing.
tornadoes
The Waco, Texas tornado traveled 20 miles and was 1/3 of a mile wide.