2026-06-01T19:52:52Zhttps://riuma.uma.es/rest/oai/requestoai:riuma.uma.es:10630/296812026-02-03T11:31:58Zcom_10630_2254col_10630_37953
RIUMA. Repositorio Institucional de la Universidad de Málaga
author
Bello-Millán, Francisco Javier
author
Palacios, Julián
author
Gutiérrez-Castillo, Paloma
author
Parras-Anguita, Luis
2024-02-02T08:32:38Z
2024-02-02T08:32:38Z
2024-01-24
Francisco Javier Bello-Millán, Julián Palacios, Paloma Gutierrez-Castillo, Luis Parras, Simulations of a tornadic supercell event in the south of Spain: Sensitivity to initial and boundary conditions and microphysics parameterizations, Atmospheric Research, Volume 300, 2024, 107262, ISSN 0169-8095, https://doi.org/10.1016/j.atmosres.2024.107262.
https://hdl.handle.net/10630/29681
10.1016/j.atmosres.2024.107262
A tornadic supercell near the village of Campillos (Malaga province) occurred on 26 August 2019 with several associated damages. In this study, we analyze the sensitivity of the Weather Research and Forecasting (WRF) model to initial and boundary conditions and microphysics parameterizations when reproducing this particular event. A total of 20 cases were simulated with four initial and boundary conditions (ERA5, GDAS/FNL, GFS, HRES-IFS) and five microphysics parameterizations (WDM6, Goddard, Morrison, Thompson, WSM6). Forecasts are quantitatively compared with 10-min observations at 153 weather stations for the following variables: temperature at 2 m (), relative humidity at 2 m (), wind speed at 10 m () and accumulated precipitation in 3 h (). Similarly, the spatial verification method MODE (Method for Object-Based Diagnostic Evaluation) has been used to evaluate the reproduction of convective storms by high-resolution numerical simulations. Our results indicate that microphysics plays a key role in this event, being more relevant than initial and boundary conditions. In particular, Goddard configuration combined with ERA5 or IFS initial and boundary conditions has shown the best overall performance. Simulation based on Goddard and ERA5 captured features to diagnose the development of severe convection. Therefore, WRF model, with the correct parameter sets, was able to reproduce the environmental conditions for supercell formation. The spatial resolution used in the simulations was appropriate to explicitly generate a supercellular storm, although it was not sufficiently high to resolve the formation of tornadoes. Nevertheless, the model showed signs of an environment favourable to tornadogenesis.
spa
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Tornados - Sistemas de alerta
Tornados - España meridional
Microfísica
Tiempo (Meteorología) - Previsión
Meteorología - Observaciones
Simulations of a tornadic supercell event in the south of Spain: Sensitivity to initial and boundary conditions and microphysics parameterizations
journal article
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