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| Titel |
An observational study of the 7 September 2005 Barcelona tornado outbreak |
| VerfasserIn |
J. Bech, R. Pascual, T. Rigo, N. Pineda, J. M. López, J. Arús, M. Gayà |
| 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 ; 7, no. 1 ; Nr. 7, no. 1 (2007-01-26), S.129-139 |
| Datensatznummer |
250004334
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| Publikation (Nr.) |
 copernicus.org/nhess-7-129-2007.pdf |
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| Zusammenfassung |
| This paper presents an observational study of the tornado outbreak that took
place on the 7 September 2005 in the Llobregat delta river, affecting a
densely populated and urbanised area and the Barcelona International airport
(NE Spain). The site survey confirmed at least five short-lived tornadoes.
Four of them were weak (F0, F1) and the other one was significant (F2 on the
Fujita scale). They started mostly as waterspouts and moved later inland
causing extensive damage estimated in 9 million Euros, three injured people
but fortunately no fatalities. Large scale forcing was provided by upper
level diffluence and low level warm air advection. Satellite and weather
radar images revealed the development of the cells that spawned the
waterspouts along a mesoscale convergence line in a highly sheared and
relatively low buoyant environment. Further analysis indicated
characteristics that could be attributed indistinctively to non-supercell or
to mini-supercell thunderstorms. |
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