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| Titel |
Numerical simulation of a deep Mediterranean storm and its sensitivity on sea surface temperature |
| VerfasserIn |
P. Katsafados, E. Mavromatidis, A. Papadopoulos, I. Pytharoulis |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 11, no. 5 ; Nr. 11, no. 5 (2011-05-03), S.1233-1246 |
| Datensatznummer |
250009406
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| Publikation (Nr.) |
 copernicus.org/nhess-11-1233-2011.pdf |
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| Zusammenfassung |
| The development and evolution of a deep low-pressure system over the Eastern
Mediterranean has been investigated in comparative numerical experiments
with a limited area model using climatological, gridded analyses,
satellite-derived and high-resolution re-analysis sea surface temperatures
(SSTs) as lower boundary conditions. The severe event of 21–22 January 2004
was selected in view of its strength and considerable impact on the coastal
communities of the Northern Aegean Sea. The aim of this study is to investigate
the sensitivity of storm development and intensity to the different SST
sources. High resolution model simulations were performed resolving
mesoscale features modulated by the different source of SSTs. Although the
atmospheric response was considerable in terms of rain bands and surface
fluxes, the general structure of the system was not significantly affected
by the different air-sea interaction forcing. The impact on the model
performance (and therefore its forecasting skill) was further assessed on
the basis of quantitative verification statistics estimated throughout the
period of the simulations. The methodology was based on the verification
against surface observations from the World Meteorological Organization
network, covering Southern Greece and the coastal areas of Western Turkey.
The estimated statistical scores revealed small but noticeable deviations
among the forecast skills of the simulations. |
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