page_title: Tornado outbreak sequence of May 15–20, 2017
hierarchical_section_title: Tornado outbreak sequence of May 15–20, 2017
caption_attribution_description: English: Remains of a farmhouse that was leveled at high-end EF3 strength near Great Bend, Kansas.
context_page_description: The Tornado outbreak sequence of May 15–20, 2017 was a prolonged period of tornado activity that affected the Great Plains, Great Lakes, and Ohio Valley during mid to late May 2017. This outbreak sequence was the most prolific tornado event of 2017 in terms of number of tornadoes. It is also notable for producing the longest-tracked tornado in Wisconsin state history, an EF3 that remained on the ground for over 82 miles and killed one person, causing major damage in Chetek and Conrath. The outbreak sequence resulted in two deaths and several injuries.
context_section_description: The Tornado outbreak sequence of May 15–20, 2017 was a prolonged period of tornado activity that affected the Great Plains, Great Lakes, and Ohio Valley during mid to late May 2017. This outbreak sequence was the most prolific tornado event of 2017 in terms of number of tornadoes. It is also notable for producing the longest-tracked tornado in Wisconsin state history, an EF3 that remained on the ground for over 82 miles and killed one person, causing major damage in Chetek and Conrath. The outbreak sequence resulted in two deaths and several injuries.
caption: Remains of a farmhouse that was leveled at high-end EF3 strength near Great Bend, Kansas.
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