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This rotating updraft is known as a mesocyclone. [8] For a tornado to form in this manner, a rear-flank downdraft enters the center of the mesocyclone from the back. Cold air, being denser than warm air, is able to penetrate the updraft. The combination of the updraft and downdraft completes the development of a tornado.
As the Lookeba tornado moved northeast towards the Caddo/Canadian county border, between 3:40 and 3:42 p.m. the supercell's mesocyclone broadened and weakened slightly; this was followed by the development of a second mesocyclone from the original to the east-southeast between 3:42 and 3:44 p.m. [10]: 2689 This marked the start of the decay of ...
A tornado is a violently rotating column of air in contact with the surface and a cumuliform cloud base. Tornado formation is caused by the stretching and aggregating/merging of environmental and/or storm-induced vorticity that tightens into an intense vortex. There are various ways this may come about and thus various forms and sub-forms of ...
An EF-4 tornado first touched down in southwestern Tennessee and traveled 165.7 miles to Falls of Rough, Kentucky, tracking through 11 Kentucky counties, according to the National Weather Service.
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A mesocyclone is a type of mesovortex, approximately 1 to 10 km (0.6 to 6 mi) in diameter (the mesoscale of meteorology), within a convective storm. [6] Mesocyclones are air that rises and rotates around a vertical axis, usually in the same direction as low pressure systems in a given hemisphere.
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 ...
Some of the most iconic photos of tornadoes are those depicting cone tornadoes. These twisters are larger than rope tornadoes and can be far more destructive. A cone tornado near Seymour, Texas ...