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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.
A mesocyclone from the Greensburg, Kansas tornado indicated on Doppler weather radar.. 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]
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 ...
The May 16, 1977 Shamrock, Texas tornado, which had an observed DRC associated with its formation. The relationship between descending reflectivity cores and tornadogenesis in supercell thunderstorms is a significant area of interest for meteorologists, given the potential of DRCs to influence storm dynamics and tornado formation.
Tornado’s victims are identified. 04:00, Louise Boyle. An 11-year-old boy was among the three people killed by the massive tornado which tore through a Texas Panhandle town on Thursday.
As the nation's insurance adjusters descend on Mississippi and Alabama to assess the damage of last weekend's deadly tornado, one question that worries its victims is whether insurers will try to ...
The wall cloud withers and will often be gone by the time the tornado dissipates. If conditions are favorable, then, often even before the original tornado lifts, another wall cloud and occasionally a new tornado may form downwind of the old wall cloud, typically to the east or the southeast in the Northern Hemisphere (east or northeast in the ...
A tornado watch is typically less severe than a tornado warning and encompasses a larger area like multiple counties and states. It serves as a signal for people to prepare in case of an emergency.