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TWISTEX (a backronym for T actical W eather- I nstrumented S ampling in/near T ornadoes Ex periment) was a tornado research experiment that was founded and led by Tim Samaras of Bennett, Colorado, US, that ended in the deaths of three researchers in the 2013 El Reno tornado.
These winds are considered the second-highest ever measured worldwide, just shy of the 302 ± 22 mph (486 ± 35 km/h) recorded during the 1999 Bridge Creek–Moore tornado. [89] [90] The El Reno tornado also had a documented width of 2.6 miles (4.2 km), which the modern-day National Weather Service stated was the widest tornado ever recorded ...
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.
This article lists various tornado records. The most "extreme" tornado in recorded history was the Tri-State tornado, which spread through parts of Missouri, Illinois, and Indiana on March 18, 1925. It is considered an F5 on the Fujita Scale, holds records for longest path length at 219 miles (352 km) and longest duration at about 3+1⁄2 hours ...
In late 2023, American meteorologist and tornado expert Thomas P. Grazulis created the outbreak intensity score (OIS) as a way to rank tornado outbreaks. [1] [2] For the score, only significant tornadoes are counted: F2/EF2 tornadoes receive 2 points each, F3/EF3 tornadoes receive 5 points each, F4/EF4 tornadoes receive 10 points each, and F5/EF5 tornadoes receive 15 points each. [1]
The 2013 El Reno tornado was an extremely large, powerful, and erratic tornado [a] that occurred over rural areas of Central Oklahoma during the early evening of Friday, May 31, 2013. This rain-wrapped, multiple-vortex tornado was the widest tornado ever recorded and was part of a larger weather system that produced dozens of tornadoes over the ...
A wedge F3 tornado crashed a bus and destroyed homes, leaving 4 dead and 25 injured. Another wedge tornado (F2) left a giant and visible scar in rural areas of Lençóis Paulista. [11] [12] F3 & F2 2005 Criciúma twin tornadoes: January 3, 2005: Criciúma, Santa Catarina: 2: 1 fatality: Criciúma was affected by two tornadoes in less than a day.
Tornado climatology. Areas worldwide with the highest frequency of tornadoes are indicated by orange shading. Tornadoes have been recorded on all continents except Antarctica. They are most common in the middle latitudes where conditions are often favorable for convective storm development. The United States has the most tornadoes of any ...