Preliminary Analysis of Instability Indices from Simulations With Weather Research and Forecasting (WRF) Model for the Southern Brazil | Zendy

Jéferson Prietsch Machado | Zendy; C. S. CARDOSO | Zendy; Mário Francisco Leal de Quadro | Zendy; Tiago da Silva Almeida | Zendy; N. M. COSTA | Zendy; G. L. RODRIGUES | Zendy; T. S. RODRIGUES | Zendy; Leidyane Aparecida Vilela de Paula | Zendy

Open Access

Preliminary Analysis of Instability Indices from Simulations With Weather Research and Forecasting (WRF) Model for the Southern Brazil

Author(s) -

Jéferson Prietsch Machado,

C. S. CARDOSO,

Mário Francisco Leal de Quadro,

Tiago da Silva Almeida,

N. M. COSTA,

G. L. RODRIGUES,

T. S. RODRIGUES,

Leidyane Aparecida Vilela de Paula

Publication year - 2017

Publication title -

anuário do instituto de geociências

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.202

H-Index - 12

eISSN - 1982-3908

pISSN - 0101-9759

DOI - 10.11137/2017_02_153_162

Subject(s) - weather research and forecasting model , meteorology , environmental science , atmospheric sciences , climatology , geography , physics , geology

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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