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North Dakota tornado was the first at EF5 strength in a dozen years

The tornado killed three people and carved a 12-mile path with winds over 210 mph, marking the first EF-5 rating in over a decade, officials said.

  • On Monday, Oct. 6, 2025, the National Weather Service in Grand Forks announced the June 20, 2025 Enderlin tornado was upgraded to EF-5, the first in the U.S. since 2013.
  • Initially classified as EF-3, the tornado was reassessed after three months of analysis by National Weather Service teams, engineers and scientists using the Enhanced Fujita Scale.
  • Investigators documented a train car lofted nearly 500 feet, multiple farmsteads and houses ripped from foundations, and a 12-mile track with about 1.05-mile width in the Enderlin area.
  • The Cass County Sheriff's Office reported three deaths, including Michael and Katherine Dehn, both 73, and 89-year-old Marcario Lucio, due to the tornado that caused significant damage and power outages.
  • Under the Enhanced Fujita Scale, the tornado was part of a June 19-22 storm system that produced 100 mph derechos and at least 40 other tornadoes, with EF-5 being the highest rating since 2007.
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First EF5 tornado to strike the US in over a decade just confirmed by experts

The most rare and extreme form of tornado struck eastern North Dakota in June, but experts just determined how strong it really was.

·Atlanta, United States
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King5 News broke the news in Seattle, United States on Monday, October 6, 2025.
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