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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.
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 ...
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 ...
2 0 2007: 1,097 0 674 300 91 27 4 1 2008: 1,689 0 982 498 150 49 9 1 2009: 1,156 0 703 347 84 20 2 0 2010: 1,281 0 770 341 125 32 13 0 2011: 1,706 0 798 626 198 61 17 6 2012: 938 0 576 239 95 24 4 0 2013: 906 0 501 298 79 19 8 1 2014: 886 0 476 313 70 20 7 0 2015: 1,177 0 696 396 64 18 3 0 2016: 976 30 531 310 77 26 2 0 2017: 1,428 64 630 590 ...
The biggest tornado outbreak on record—with 353 tornadoes for just 3 + 1 ⁄ 2 days (including four EF5 and eleven EF4 tornadoes)—occurred starting on 25 April 2011 and intensifying on April, 26, and 27 (a record-breaking day), before ending on 28 April 2011, now referred to as the 2011 Super Outbreak. [h] A similar outbreak was seen in 1974.
The Xenia, Ohio, F5 tornado of April 3, 1974.This was one of two tornadoes to receive a preliminary rating of F6, which was downgraded later to a rating of F5. [1]This is a list of tornadoes which have been officially or unofficially labeled as F5, EF5, IF5, T10-T11, the highest possible ratings on the various tornado intensity scales.
What the crew didn't know was that at about 3:20 p.m. EDT, a tornado formed about 1 mile from the structure and continued for about 2.5 miles. The tornado's path of damage included the viaduct.
This is a list of tornadoes by their official and unofficial width.The average width of a tornado according to the National Weather Service is 50 yards (46 m). [1] The official widest tornado in history is the 2013 El Reno tornado, which a confirmed width of 2.6 miles (4.2 km), with the World Meteorological Organization believing the width could have been up to 1 mile (1.6 km) wider.