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Title: The snow storm of the 8th of March 2010 in Barcelona: a paradigmatic case
Author: Llasat Botija, María del Carmen
Turco, Marco
Quintana Seguí, Pere
Llasat-Botija, Montserrat
Keywords: Tempestes
Xarxes socials
Barcelona (Catalunya)
Social networks
Barcelona (Catalonia)
Issue Date: 2013
Publisher: European Geosciences Union
Abstract: A heavy precipitation event swept over Catalonia (NE Spain) on 8 March 2010, with a total amount that ex- ceeded 100mm locally and snowfall of more than 60cm near the coast. Unusual for this region and at this time of the year, this snowfall event affected mainly the coastal region and was accompanied by thunderstorms and strong wind gusts in some areas. Most of the damage was due to"wet snow", a kind of snow that favours accretion on power lines and causes line-breaking and subsequent interruption of the electricity supply. This paper conducts an interdisciplinary analysis of the event to show its great societal impact and the role played by the recently developed social networks (it has been called the first"Snowfall 2.0"), as well to analyse the meteorologi- cal factors associated with the major damage, and to propose an indicator that could summarise them. With this aim, the paper introduces the event and its societal impact and com- pares it with other important snowfalls that have affected the Catalan coast, using the PRESSGAMA database. The sec- ond part of the paper shows the event"s main meteorological features and analyses the near-surface atmospheric variables responsible for the major damage through the application of the SAFRAN (Système d"analyse fournissant des renseigne- ments atmosphériques à la neige) mesoscale analysis, which, together with the proposed"wind, wet-snow index" (WWSI), allows to estimate the severity of the event. This snow storm provides further evidence of our vulnerability to natural haz- ards and highlights the importance of a multidisciplinary ap- proach in analysing societal impact and the meteorological factors responsible for this kind of event.
Note: Reproducció del document publicat a:
It is part of: Natural Hazards And Earth System Sciences, 2013, num. 14, p. 427-441
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ISSN: 1561-8633
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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