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High resolution modelling results of the wind flow over Canary Islands during the meteorological situation of the extratropical storm Delta (28–30 November 2005)
Título : High resolution modelling results of the wind flow over Canary Islands during the meteorological situation of the extratropical storm Delta (28–30 November 2005)
Autor : Jorba, OriolMarrero, CarlosCuevas Agulló, Emilio ORCID RESEARCHERID SCOPUSID Baldasano, José María
Palabras clave : Wind flow; Extratropical storm Delta; Local effects; Tormentas extratropicales; Velocidad del viento; Modelización
Fecha de publicación : 2008
Editor: Copernicus Publications
Citación : Advances in Science and Research. 2008, 2, p. 81-87
Versión del editor: http://www.adv-sci-res.net/2/81/2008/asr-2-81-2008.html
Resumen : On 28–29 November 2005 an extratropical storm affected the Canary Islands causing significant damage related to high average wind speeds and intense gusts over some islands of the archipelago. Delta was the twenty-sixth tropical or subtropical storm of the 2005 Atlantic hurricane season. It represents an unusual meteorological phenomenon for that region, and its impacts were underestimated by the different operational meteorological forecasts during the previous days of the arrival of the low near Canary Islands. The aim of this study is to reproduce the local effects of the flow that were observed over the Canary Islands during the travel of the Delta storm near the region using high-resolution mesoscale meteorological simulations. The Advanced Research Weather Research & Forecasting Model (WRF-ARW) is applied at 9, 3 and 1 km horizontal resolution using ECMWF forecasts as initial and boundary conditions. The high-resolution simulation will outline the main features that contributed to the high wind speeds observed in the archipelago. Variations in vertical static stability, vertical windshear and the intense synoptic winds of the southwestern part of Delta with a warm core at 850 hPa were the main characteristics that contributed to the development and amplification of intense gravity waves while the large-scale flow interacted with the complex topography of the islands.
Patrocinador: High resolution modelling results of the wind flow over Canary Islands during the meteorological situation of the extratropical storm Delta (28–30 November 2005) This work was funded by the projects CALIOPE 441/2006/3-12.1 of the Spanish Ministry of the Environment, CICYT CGL2006-08903 and CICYT CGL2006-11879 of the Spanish Ministry of Education and Science.
URI : http://hdl.handle.net/20.500.11765/391
ISSN : 1992-0628
1992-0636
Colecciones: Artículos científicos 2005-2009


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