Articles | Volume 17, issue 9
Brief communication
25 Sep 2017
Brief communication |  | 25 Sep 2017

Brief communication: Characteristic properties of extreme wave events observed in the northern Baltic Proper, Baltic Sea

Jan-Victor Björkqvist, Laura Tuomi, Niko Tollman, Antti Kangas, Heidi Pettersson, Riikka Marjamaa, Hannu Jokinen, and Carl Fortelius

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Cited articles

Datawell Waverider Reference Manual, Datawell BV, Voltastraat 3, 1704 RP Heerhugowaard, The Netherlands, (last access: 2 March 2017), 2017.
Eerola, K.: Twenty-One 5 Years of Verification from the HIRLAM NWP System, Weather Forecast., 28, 270–285,, 2013.
HIRLAM-B: System documentation, (last access: 22 September 2017), 2017.
Joint Accident Investigation Commission of Estonia, F. and Sweden: Final Report on the Capsizing on 28 September 1994 in the Baltic Sea of the Ro-ro Passenger Vessel MV Estonia, Edita Limited, 1997.
Jönsson, A., Broman, B., and Rahm, L.: Variations in the Baltic Sea wave fields, Ocean Eng., 30, 107–126,, 2003.
Short summary
We studied the highest wave events in the Baltic Sea using wave measurements available since 1996. Going beyond classifying them based solely on the maximum wave height, we found that they can be divided into two groups based on, for example, the length of the storm. Two of the severest storms show different behaviour, with the most recent (in 2017) being the longest on record. We hope this more in-depth description of the storms will aid in the issuing of warnings for extreme wave conditions.
Final-revised paper