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Titel Climatology of cut-off low systems in the Greater European Alpine region
VerfasserIn N. K. Awan, H. Formayer
Konferenz EGU General Assembly 2012
Medientyp Artikel
Sprache Englisch
Digitales Dokument PDF
Erschienen In: GRA - Volume 14 (2012)
Datensatznummer 250065409
 
Zusammenfassung
In this study the authors attempt to present a climatology of the cut-off low systems (COLs) for the Greater European Alpine region (GAR). The presented climatology is based on an algorithm which uses physically based criteria to detect COLs in the European Center for Medium-Range Weather Forecasts reanalysis ERA-40 dataset. Moreover, an in depth analysis is carried out to understand the relationship between COLs and extreme precipitation events which can affect large areas (~75 sq. km is considered) in the GAR. This is achieved by coupling the algorithm with the Swiss Federal Institute of Technology Zurich precipitation dataset. The presented analysis also highlights the relevance and importance of COLs in manifestation of Alpine extreme precipitation events.