Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/20.500.11765/1614
Heavy rain events in the Western Mediterranean: an atmospheric pattern classification
Título : Heavy rain events in the Western Mediterranean: an atmospheric pattern classification
Autor : Martínez, Cristina; Campins, Joan; Jansà Clar, Agustí; Genovés, Ana
Palabras clave : Heavy rain; Mediterranean areas; Atmospheric patterns
Fecha de publicación : 2008
Editor: European Meteorological Society
Citación : Advances in Science and Research. 2008, 2(1), p. 61-64
Versión del editor: https://dx.doi.org/10.5194/asr-2-61-2008
Resumen : Heavy rain is one of the most important high-impact weather phenomena that occasionally affect Mediterranean areas. The aim of this study is to achieve a classification of atmospheric patterns related to heavy rain events in both French and Spanish Mediterranean regions. The classification is made on some atmospheric fields (geopotential at 1000 hPa and at 500 hPa and temperature at 850 hPa) of HIRLAM-INM-0.5 operational analysis, for heavy rain events included in the High Impact Weather MEDEX database. It covers a period of roughly 7 and a half years, from January 1997 to May 2004. A Principal Components Analysis was conducted to reduce the number of variables. After that, by means of a Cluster Analysis, the heavy rain events are classified into 8 atmospheric patterns. The results show a good relationship between regions affected by heavy rain and atmospheric patterns, in the sense that the same atmospheric patterns usually produce heavy rain in different regions, and heavy rain in different regions is usually due to specific atmospheric patterns.
URI : http://hdl.handle.net/20.500.11765/1614
ISSN : 1992-0628
1992-0636
Colecciones: Artículos científicos 2005-2009


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