A chart of the 2017 United States inflation-adjusted tornado count
Timespan
January 2 – December 20
Maximum rated tornado
EF4 tornado
Perryville, Missouri on February 28
Canton, Texas on April 29
Maloye Pes’yanovo, Russia on June 18
Chifeng, Inner Mongolia on August 11 (3 tornadoes)
Tornadoes in U.S.
1,418
Damage (U.S.)
> $5 billion
Fatalities (U.S.)
35
Fatalities (worldwide)
43
2015
2016
2017
2018
2019
This page documents notable tornadoes and tornado outbreaks worldwide in 2017. Strong and destructive tornadoes form most frequently in the United States, Brazil, Bangladesh, and Eastern India, but they can occur almost anywhere under the right conditions. Tornadoes also develop occasionally in southern Canada during the Northern Hemisphere's summer and somewhat regularly at other times of the year across Europe, Asia, Argentina and Australia. Tornadic events are often accompanied with other forms of severe weather, including strong thunderstorms, strong winds, and hail. There were 1,522 reports of tornadoes in the United States in 2017,[1] of which 1,418 were confirmed. Worldwide, 43 fatalities were confirmed in 2017: 35 in the United States,[2] five in China, two in Paraguay, and one in Brazil.
The tornado season in 2017 started exceptionally early, having the second most active January since records began in 1950, and one of the most active first quarters in recorded history. 2017 also had four high risk outlooks issued by the Storm Prediction Center, making this the most active in the sense of high risk outlooks since 2011, which had a total of five high risk outlooks issued throughout the entire year.
^"U.S. Tornadoes: Daily Count and Running Annual Trend". Storm Prediction Center. December 26, 2017. Retrieved December 27, 2017.
^"Annual U.S. Killer Tornado Statistics". Storm Prediction Center. 2017. Retrieved February 1, 2017.
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