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Synoptic and mesoscalar environments associated with the heavy local rainfall on 16 August 2010 in the south of the Iberian Peninsula
Título : Synoptic and mesoscalar environments associated with the heavy local rainfall on 16 August 2010 in the south of the Iberian Peninsula
Otros títulos : Entorno sinóptico y mesoescalar asociado a las fuertes lluvias locales de día 16 de agosto de 2010 en el sur de la Península Ibérica
Entorn sinòptic i mesoescalar associat a les fortes pluges locals de dia 16 d'agost de 2010 en el sud de la Península Ibèrica
Autor : Sánchez-Laulhé, José María; Riesco Martín, Jesús; Polvorinos Pascual, Fausto; Soriano Romero, Juan de Dios
Palabras clave : Flash flood; Iberian Peninsula; Mid-level cyclogenesis; Crecidas; Península Ibérica
Fecha de publicación : 2014
Editor: Associació Catalana de Meteorologia
Citación : Tethys: Journal of Mediterranean Meteorology and Climatology. 2014, 11, p. 13-23
Versión del editor: https://dx.doi.org/10.3369/tethys.2014.11.02
Resumen : In this paper we show the synoptic and mesoscale environment aspects associated with a local event of heavy rainfall in the south of the Iberian Peninsula on 16 August 2010, exceeding 200 mm in 5 hours and causing significant flash flooding, by using observational data and operational analyses and forecast data from the European Centre for Medium-Range Weather Forecasts. The event was associated with the poleward transport of deep tropical moisture along the western flank of the upper and middle level summer anticyclone over North Africa, and with a mid-level cyclogenesis caused by the interaction between a middle latitude trough and the tropical moisture band. The cyclogenesis produced an outflow jet streak and the exportation of tropical moisture to the Iberian Peninsula. On the synoptic scale, the heavy precipitation occurred where this tropical moisture intersected a region of forced ascent situated beneath the equatorward jet streak-entrance region. On the mesoscale, the event was focused on a zone of orographic wind convergence.
URI : http://hdl.handle.net/20.500.11765/1189
ISSN : 1697-1523
1139-3394
Colecciones: Artículos científicos 2010-2014


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