25th Conference on Severe Local Storms


Observational analysis of cyclic mesocyclogenesis during VORTEX2

Daniel P. Betten, CIMMS/Univ. of Oklahoma, Norman, OK; and M. I. Biggerstaff, C. Ziegler, K. M. Kuhlman, D. R. MacGorman, and L. J. Wicker

During VORTEX2, cyclic mesocyclogenesis in multiple supercells, both tornadic and nontornadic, was observed. Here we present radar analysis of the different types of cyclic mesocyclogenesis using a combination of radar observations. We show the importance of the developing mesocyclone's role in the completion of the occulsion process of the prior mesocyclone. We will compare VORTEX2 cases with a previous case in which cyclic mesocyclogenesis was observed within stormscale dual-Doppler coverage.

wrf recordingRecorded presentation

Session 7A, Supercells and Tornadoes: Supercell Structure and Dynamics I
Tuesday, 12 October 2010, 10:30 AM-12:00 PM, Grand Mesa Ballroom F

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