Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/20.500.11765/6428
Diagnosis and numerical simulations of a heavy rain event in the Western Mediterranean Basin
Título : Diagnosis and numerical simulations of a heavy rain event in the Western Mediterranean Basin
Autor : Santos Muñoz, DanielMartín Pérez, María LuisaLuna Rico, Yolanda ORCID RESEARCHERID Morata Gasca, Ana
Palabras clave : Heavy rain; Numerical simulations; Cyclonic circulation; Convective cells
Fecha de publicación : 2006
Editor: European Geosciences Union
Citación : Advances in Geosciences. 2006, 7, p. 105–108
Versión del editor: http://dx.doi.org/10.5194/adgeo-7-105-2006
Resumen : The heavy rain event of November 2001 in the western Mediterranean area was synoptically characterized by the presence of a long-lived Omega blocking geopotential pattern. A set of mesoscale numerical simulations using MM5 is performed to investigate the mechanisms responsible for the convection development through several output diagnosis. A potential vorticity evolution showed how dry air masses were extruded from the stratospheric levels promoting strong cyclonic circulation at all levels. Moreover, a deep vertical column of high relative humidity over the Algerian coastline maintained the few and geographically confined convective cells responsible for the heavy precipitation. Mesoscale environment parameters indicated enhanced conditional instability through a deep troposphere layer. Also, strong vertical wind shear values, higher than 50 ms−1 over the troposphere, were derived, indicating enough strength to promote necessary conditions to organize and keep mesoscale convective structures.
Patrocinador: This work has been partially supported by the research project CGL2004-01584/CLI
URI : http://hdl.handle.net/20.500.11765/6428
ISSN : 1680-7340
Colecciones: Artículos científicos 2005-2009

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