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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.
The drought began on May 20, 2013, following the dissipation of the 2013 Moore, Oklahoma EF5 tornado. [11] [12] Several tornadoes since the Moore EF5 have reached the 200 miles per hour (320 km/h) wind speeds needed for a tornado to be classified as an EF5, including the 2013 El Reno EF3 tornado and 2015 Rochelle–Fairdale EF4 tornado, with wind speeds measured in excess of 295 miles per hour ...
This tornado holds the record for the widest tornado ever recorded at 2.6 miles (4.2 km) wide. [149] In 2019, Yuko Murayama, Dimiter Velev & Plamena Zlateva edited a book of revised academically peer-reviewed papers, in which they directly rated the El Reno tornado an EF5. [ 147 ]
In late February 1971, a deadly tornado outbreak and record-setting blizzard happened in different parts of the South at the same time. Here's the story.
The biggest year on record for tornadoes was 2011. By July 10 that year, the U.S. had racked up 1,934 tornado reports and would ultimately reach 2,250 for the year.
Christopher C. Burt, a weather historian writing for Weather Underground, believes that the 1913 Death Valley reading is "a myth", and is at least 2.2 or 2.8 °C (4 or 5 °F) too high. [13] Burt proposes that the highest reliably recorded temperature on Earth could still be at Death Valley, but is instead 54.0 °C (129.2 °F) recorded on 30 ...
In 2019, a total of 20 confirmed tornadoes occurred on April 30 and 25 tornadoes touched down on May 20. In 2017, a total of 30 tornadoes touched down on May 18 .
The 2011 Philadelphia, Mississippi tornado was an extremely powerful and fast-moving multi-vortex tornado that touched down in eastern Mississippi on the afternoon of April 27, 2011. Part of the historic 2011 Super Outbreak , the largest tornado outbreak on record, this was the first of four EF5 tornadoes to touch down that day and the first ...