Tuesday, 11 January 2000
Since 1991 we have performed simulations of tornado
genesis with the Regional Atmospheric Modeling System
(RAMS). These simulations have ranged from being very
idealized, to actual case studies initialized horizontally
homogeneously, to interactive-nested grid simulations
initialized with synoptic and mesoscale data for actual
cases. The mechanisms of tornado formation for these
simulations have varied from case to case, with one tornado being generated aloft as a sub-mesocyclone-scale vortex and others being initiated near the ground but with varying
mechanisms of genesis. We will compare and contrast the
mechanisms of tornado formation for these simulations and
synthesize the results into a conceptual model of tornado
genesis in supercell storms.
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