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The 2011 Super Outbreak was the largest tornado outbreak spawned by a single weather system in recorded history; it produced 367 tornadoes from April 25–28, with 223 of those in a single 24-hour period on April 27 from midnight to midnight CDT, [4] [11] fifteen of which were violent EF4–EF5 tornadoes. 348 deaths occurred in that outbreak, of which 324 were tornado related.
A study published last month in the academic journal Earth’s Future modeled the effects of warming on the creation of “convective environments” that can lead to tornadoes. The researchers ...
In the Americas, there are 15 tornadoes on record that caused at least 100 fatalities, the most recent being the Joplin F5 tornado which killed 158 people in May 2011. There are at least 450 tornadoes on record that caused greater than ten fatalities; the most recent of these was the Rolling Fork, Mississippi EF4 tornado which killed 17 people ...
The most powerful, or EF-5, have winds above 200 mph and usually cause catastrophic damage. The tornado that flattened a swath of Iowa in May was an EF-4 tornado, and one of the deadliest of 2024.
Prior to 1950 in the United States, only significant tornadoes are listed for the number of tornadoes in outbreaks. Due to increasing detection, particularly in the U.S., numbers of counted tornadoes have increased markedly in recent decades although the number of actual tornadoes and counted significant tornadoes has not. In older events, the ...
The deadliest tornado in modern U.S. history struck Joplin, Missouri, on May 22, 2011. It was the deadliest tornado since SPC records began in 1950. Nearly 1,000 were injured. The EF5 tornado had ...
This was the fourth-most violent outbreak in U.S. since 1950 with 11 F4 tornadoes, most intense ever in Arkansas. F4 tornadoes that struck Judsonia and Cotton Plant killed a total of 79 people. Other F4 tornadoes struck Tennessee and Northern Mississippi. The event marked the first time the word "tornado" was used during a public television ...
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