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Numerical Simulation of a Tornado Generating SupercellThe development of tornadoes from a tornado generating supercell is investigated with a large eddy simulation weather model. Numerical simulations are initialized with a sounding representing the environment of a tornado producing supercell that affected North Carolina and Virginia during the Spring of 2011. The structure of the simulated storm was very similar to that of a classic supercell, and compared favorably to the storm that affected the vicinity of Raleigh, North Carolina. The presence of mid-level moisture was found to be important in determining whether a supercell would generate tornadoes. The simulations generated multiple tornadoes, including cyclonic-anticyclonic pairs. The structure and the evolution of these tornadoes are examined during their lifecycle.
Document ID
20120001276
Acquisition Source
Langley Research Center
Document Type
Conference Paper
Authors
Proctor, Fred H. (NASA Langley Research Center Hampton, VA, United States)
Ahmad, Nashat N. (NASA Langley Research Center Hampton, VA, United States)
LimonDuparcmeur, Fanny M. (Metis Tech. Solutions Hampton, VA, United States)
Date Acquired
August 25, 2013
Publication Date
January 9, 2012
Subject Category
Meteorology And Climatology
Report/Patent Number
NF1676L-12861
AIAA Paper 2012-0557
Meeting Information
Meeting: 50th AIAA Aerospace Sciences Meeting and Exhibit
Location: Nashville, TN
Country: United States
Start Date: January 9, 2012
End Date: January 12, 2012
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
WBS: WBS 411931.02.61.07.01
Distribution Limits
Public
Copyright
Public Use Permitted.

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