Characteristics of cyclones causing extreme sea levels in the northern Baltic Sea The study was supported by the Estonian Ministry of Education and Research (IUT20-11 and Grant ETF9134) and by the EU Regional Development Foundation, Environmental Conservation and Environmental Technology R D Programme Project No. 3.2.0801.12-0044

The basic parameters of extra-tropical cyclones in the northern Baltic are examined in relation to extreme sea level events at Estonian coastal stations between 1948 and 2010. The hypothesis that extreme sea level events might be caused not by one intense extra-tropical cyclone, as suggested by earl...

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Bibliographic Details
Published in:Oceanologia 2014-01, Vol.56 (2), p.241-258
Main Authors: Piia Post, Tarmo Kõuts
Format: Article
Language:English
Subjects:
Baltic Sea
Extra-tropical cyclones
Extreme sea level
Temporal clustering
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Summary:The basic parameters of extra-tropical cyclones in the northern Baltic are examined in relation to extreme sea level events at Estonian coastal stations between 1948 and 2010. The hypothesis that extreme sea level events might be caused not by one intense extra-tropical cyclone, as suggested by earlier researchers, but by the temporal clustering of cyclones in a certain trajectory corridor, is tested. More detailed analysis of atmospheric conditions at the time of the two most extreme cases support this concept: the sequence of 5 cyclones building up the extreme sea level within about 10 days was very similar in structure and periodicity.
ISSN:0078-3234
DOI:10.5697/oc.56-2.241