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Three-dimensional structure of western Mediterranean cyclones
Title: Three-dimensional structure of western Mediterranean cyclones
Authors: Campins, Joan ORCID RESEARCHERID Autor AEMETJansà Clar, AgustíAutor AEMETGenovés, AnaAutor AEMET
Keywords: Western Mediterranean; Cyclones; Three-dimensional structure; Ciclones; Mediterráneo
Issue Date: 2006
Publisher: Wiley; Royal Meteorological Society
Citation: International Journal of Climatology. 2006, 26 (3), p. 323–343
Publisher version:
Abstract: In the present paper, a method to objectively detect and track mean sea-level (MSL) cyclones for the western Mediterranean is described. Furthermore, the three-dimensional characterization of each MSL cyclone is performed by means of several parameters. This includes the vorticity, thermal and humidity fields at different pressure levels where the cyclone is detected, as well as the wind speed profile and the moist stability over the MSL cyclone. Both methodologies are illustrated and validated by a real case: an intense event of the well-known Genoa cyclone. Detection, tracking and three-dimensional characterization are applied to an 8-year (from June 1995 to May 2003) database of numerical analyses. The result is a MSL cyclone database for the western Mediterranean with a description of their three-dimensional structure. For a better analysis, cyclones are grouped in three different ways: by thickness, season and region of detection. Results show that western Mediterranean cyclones are located in specific geographical regions and that their location depends on the season. Several cyclones are weak and shallow, mainly because of thermal and/or orographic causes. On the contrary, other cyclones are large and intense and extend throughout the whole troposphere. Differences in cyclone structure depending on the location and season are also discussed
ISSN: 0899-8418
Appears in Collections:Artículos científicos 2005-2009

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