This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States in November 2017. Based on the 1991–2010 averaging period, 58 tornadoes occur across the United States throughout November while 24 more occur in December.
Despite only four days, producing tornadoes, November saw two outbreak days that produced over a dozen. However, the month was still well below average with 42 tornadoes. Tornado events in December were generally small and an also well below average 12 tornadoes were confirmed, which is half of the number of tornadoes typically seen during the month.
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