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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, [5] [12] fifteen of which were violent EF4–EF5 tornadoes. 348 deaths occurred in that outbreak, of which 324 were tornado related.
Official estimates from the World Meteorological Organization indicate that it killed approximately 1,300 people, which would make it the deadliest tornado in history. [1] [2] In 2022, this tornado's status as the deadliest tornado in history was challenged, claiming it did not kill more than 256 people. [3] The tornado affected the cities of ...
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 ...
[3] [4] [5] The 1974 Xenia tornado is considered to be the worst tornado in Ohio's history, and is the reason for improved warning systems, alarms, and safety protocols throughout the state. Across the state, 2,000 individuals were injured, 7,000 homes were destroyed, and 39 people were killed during the 1974 Super Outbreak, 32 of them being in ...
The tornado was also the costliest tornado in history at the time (unadjusted for inflation), but in the years since has been surpassed by several others if population changes over time are not considered. When costs are normalized for wealth and inflation, it ranks third today. [118] The deadliest tornado in world history was the Daultipur ...
The Teton–Yellowstone tornado was a rare high-altitude tornado which occurred on July 21, 1987, in the U.S. state of Wyoming. [ 1 ] [ 2 ] Rated at F4 on the Fujita scale , it remains the strongest tornado ever recorded in the state and the only officially rated F4/EF4 in Wyoming history.
2011 Hackleburg–Phil Campbell tornado – This was the deadliest tornado in Alabama history and the deadliest tornado of the 2011 Super Outbreak. Numerous homes, some of which were large, well-built, and anchor-bolted were swept away. Debris from some obliterated homes was scattered and wind-rowed well away from the foundations.
Other areas of the world that have frequent tornadoes include significant portions of Europe, South Africa, Philippines, Bangladesh, parts of Argentina, Uruguay, southern and southeastern Brazil, northern Mexico, eastern and western Australia, New Zealand, and far eastern Asia. Tornado reports in the U.S. have been officially collated since 1950.