rdfs:comment
| - The June 9-13, 2021 tornado outbreak was a significant tornado outbreak that affected the states of North Dakota, South Dakota, Minnesota, Iowa, Nebraska, Missouri, Kansas, and Oklahoma between June 9th and June 13th, 2021. Two large clusters of supercells, several of which were exceptionally long-lived, gave rise to 151 tornadoes over the course of five days, two of which were rated EF5.
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abstract
| - The June 9-13, 2021 tornado outbreak was a significant tornado outbreak that affected the states of North Dakota, South Dakota, Minnesota, Iowa, Nebraska, Missouri, Kansas, and Oklahoma between June 9th and June 13th, 2021. Two large clusters of supercells, several of which were exceptionally long-lived, gave rise to 151 tornadoes over the course of five days, two of which were rated EF5. The system was responsible for 58 fatalities, making it the deadliest outbreak in the United States since the May 21-26, 2011 outbreak. An additional 11 people were killed by significant flooding and extremely powerful straight-line winds associated with the systems. The EF5 Ashley-Walcott tornado on June 10 briefly achieved wind speeds of 304 miles per hour, which were recorded by a Doppler on Wheels, breaking the world record for the highest winds recorded in a tornado, which had been held for the previous 22 years by the May 3, 1999 Bridge Creek-Moore tornado.
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