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Evaluation of WRF Model Simulations of a HIGH IMPACT EVENT: THE 31 MAY 2015 EF1 TORNADO

Zhu Dan  
【摘要】:Tornadoes are furious convective weather phenomena. This study analyzes the tornado event that occurred on 31 MAY 2015 near Tong Yu County, at Jilin province. The tornado developed approximately about on 7:35 UTC and was characterized as EF1(Fujita Scale). The tornado event caused several damages to building and at several farms.A synoptic survey is presented along with satellite images, radar products and vertical profile of the atmosphere. Additionally, the nonhydrostatic WRF-ARW atmospheric numerical model(version 3.7.0) was utilized in analysis and forecast mode using very high horizontal resolution in order to represent the ambient atmospheric conditions. The WRF-ARW high spatial resolution model appeared to simulate with significant accuracy a severe convective event.

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