Análise Preliminar dos Índices de Instabilidade a Partir de Simulações Realizadas com o Modelo Weather Research and Forecasting (WRF) para o Sul do Brasil
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2017-01-01
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This paper aims to evaluate of the WRF model to simulate the instability indices during storms springs with El Niño/Southern Oscillation in four cities of Southern Brazil: Curitiba, Florianópolis, Foz do Iguaçu and Porto Alegre. The K and TT values were satisfactorily simulated and LI index were reasonably simulated by WRF. The values of CAPE showed the largest differences compared with observations. When we analyzed the behavior of K, TT and LI indices with the METAR code, it was observed that the simulated extreme values by WRF occurred at times to unstable weather records in the airports.
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Instability indices, Storms, WRF Model
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Anuario do Instituto de Geociencias, v. 40, n. 2, p. 153-162, 2017.