Dust Lofting and Ingestion by Supercell Storms

作者: Robert B. Seigel , Susan C. van den Heever

DOI: 10.1175/JAS-D-11-0222.1

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摘要: AbstractRecent research pertaining to aerosol impacts on cloud microphysics has shown a need for understanding mineral dust entrainment into moist convection. The goal of this study is examine the pathways in which nonmicrophysically active entrained supercell storms within three commonly observed regimes. Regional Atmospheric Modeling System (RAMS) with an interactive model that allows surface emission was used achieve goal.First, simulated already dusty environment (EXP-BACKGROUND) investigate ingestion purely from background source. Second, clean and lofts its own via (EXP-STORM) regime only source atmosphere due storm itself. Finally, low-level convergence boundary introduced ahead lofting by outflow boundar...

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