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Radar Signatures In Tropical Cyclone Tornadic And Nontornadic Supercells, Michaela Wood
Radar Signatures In Tropical Cyclone Tornadic And Nontornadic Supercells, Michaela Wood
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
Tropical cyclones (TCs) contain highly-sheared environments that are conducive for supercell thunderstorms. These TC supercells sometimes produce tornadoes, often with little warning. Given the often-close proximity of tornadic and nontornadic TC supercells, environments may not be well-distinguished, pointing to the potential value of radar observations. In this study, dual-polarimetric radar signatures of a sample of TC supercells are examined in the context of known supercell structure and microphysics. Tornadic and nontornadic TC supercells are compared with their midlatitude counterparts, and the environments and characteristic structure of these storms are shown to be notably different. An attempt is made to distinguish …