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A mesocyclone is a meso-gamma mesoscale (or storm scale) region of rotation , typically around 2 to 6 mi (3.2 to 9.7 km) in diameter, most often noticed on radar within thunderstorms. In the northern hemisphere it is usually located in the right rear flank (back edge with respect to direction of movement) of a supercell , or often on the ...
A supercell is a thunderstorm characterized by the presence of a mesocyclone, a deep, persistently rotating updraft. [1] Due to this, these storms are sometimes referred to as rotating thunderstorms. [ 2 ]
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 near 26 inches of rain at Fort Lauderdale-Hollywood International Airport was a 1-in-1,000-year storm.
As the EF3 tornado moved through areas just south of downtown Bowling Green, a second tornado formed as a result of a separate, smaller circulation within the same parent supercell. It first touched in the southeastern part of Bowling Green at 1:19 a.m. CST (07:19 UTC), near the Bowling Green–Warren County Regional Airport. It first damaged a ...
The supercell is the strongest of the thunderstorms, most commonly associated with large hail, high winds, and tornado formation. Precipitable water values of greater than 31.8 millimetres (1.25 in) favor the development of organized thunderstorm complexes. [6]
The supercell developed a mesocyclone and maintained it for over 50 miles (80 km). [10] Then, at 10:52 am CDT, the supercell produced a strong but short-lived EF2 tornado over at Pekin. The tornado touched down north of State Highway 9, mainly uprooting trees and downing power lines before it crossed the Illinois River. The tornado made it ...
The parent supercell that produced the two EF4 tornadoes, and eleven tornadoes in total, later became known as the "Quad-State supercell". The second supercell and tornado family, produced an EF3 tornado tracking nearly 123 miles (198 km) in Tennessee and southern Kentucky, causing major damage in Dresden, Tennessee .