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The most "extreme" tornado in recorded history was the Tri-State tornado, which spread through parts of Missouri, Illinois, and Indiana on March 18, 1925. It is considered an F5 on the Fujita Scale, holds records for longest path length at 219 miles (352 km) and longest duration at about 3⁄ hours, and held the fastest forward speed for a ...
A deadly outbreak, including the deadliest and longest-tracked tornado in U.S. history–the Tri-State tornado, a massive F5 tornado that traveled 219 mi (352 km) across the three states of Missouri, Illinois, and Indiana, killing 695 people. Third-costliest U.S. tornado ever.
Tri-State tornado outbreak. On March 18, 1925, one of the deadliest tornado outbreaks in recorded history generated at least twelve significant tornadoes and spanned a large portion of the midwestern and southern United States. In all, at least 751 people were killed and more than 2,298 were injured [2], making the outbreak the deadliest ...
[89] [90] The El Reno tornado also had a documented width of 2.6 miles (4.2 km), which the modern-day National Weather Service stated was the widest tornado ever recorded, despite the United States government documenting and publishing about a tornado that was 4 miles (6.4 km) wide in 1946. [91] [92]
An EF5 tornado is one of the most catastrophic weather events on Earth. ... The 11-year gap is the longest since official U.S. records began in 1950. ... despite being the largest twister ever ...
The total path length of the tornado was 122.91 miles (197.80 km), the second-longest tracked tornado of the outbreak. The supercell associated with this tornado produced another EF3 tornado approximately 12 miles (19 km) to the east in Logan County , and yet another EF3 tornado in Bowling Green .
Since its initial usage in May 1999, the National Weather Service (NWS) in the United States has used the tornado emergency bulletin, an unofficial, high-end classification of tornado warning—sent through either the issuance of a warning or via a "severe weather statement" that provides updated information on an ongoing warning—that is issued when a violent tornado (confirmed by radar or ...
Midwestern and Southern United States, Ontario, Canada. Part of the tornado outbreaks of 1974. The 1974 Super Outbreak was the second-largest tornado outbreak on record for a single 24-hour period, just behind the 2011 Super Outbreak. It was also the most violent tornado outbreak ever recorded, with 30 violent (F4 or F5 rated) tornadoes confirmed.