Observing meteotsunamis (“Marrobbio”) on the southwestern coast of Sicily

Zemunik, Petra; Bonanno, A.; Mazzola, Salvatore; Giacalone, Giovanni; Fontana, Ignazio; Genovese, Simona; Basilone, Gualtiero; Candela, Julio; Šepić, Jadranka; Vilibić, Ivica; Aronica, Salvatore

doi:10.1007/s11069-020-04303-2

Cited by 10 publications

(11 citation statements)

References 62 publications

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“…Red plus signs mark maximum wave height and Proudman length as obtained in experiment forced by a disturbance propagating with speed and direction estimated from measurements (u = 40 m/s, c = 270°). The figure is reproduced from Šepić et al (2016b) conducted in 2007 and an assessment of bathymetry off the most affected city, Mazara del Vallo, revealed the possible existence of Proudman resonance, associated with edge waves that might occur around the circular outer shelf at the observed frequencies (Zemunik et al 2020). The role of wind disturbances in generating meteotsunami waves has also been quantified by Vilibić et al (2005), who found their contribution was not more than 30% in the middle Adriatic, where the speed of long ocean waves is between 20 and 30 m/s.…”

Section: Open-ocean Resonant Generationmentioning

confidence: 96%

The Mediterranean and Black Sea meteotsunamis: an overview

et al. 2020

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This paper presents the first comprehensive review of the Mediterranean and Black Sea meteorological tsunamis or meteotsunamis (atmospherically induced destructive long ocean waves in the tsunami frequency band) based on the available literature, tools and services. The Mediterranean and Black Seas are micro-tidal basins; therefore, rapid sea level changes in the tsunami frequency band may strongly affect coastal regions and infrastructures and endanger human lives. The review also includes a succinct bibliography of Mediterranean and Black Sea meteotsunami papers and evaluates their structure in respect to geographical extent, the type of tools used (observations versus modelling) and source processes in the atmosphere versus ocean manifestations. This review continues with a presentation of major meteotsunami events and a discussion about their sources, the resonant transfer of energy towards the sea, their propagation towards shore and their interactions with bathymetry. Meteotsunami monitoring and forecasting systems are overviewed with respect to available observations, deterministic and stochastic modelling tools and operational early warning networks. This review includes an important assessment of operational and research gaps and ideas for improving research tools and understanding of various aspects of meteotsunamis. The authors believe and hope that this review will help researchers and services to increase or improve their capacities and skills for conducting better research on meteotsunamis, not just in the Mediterranean and Black Seas, but in all ocean basins around the world affected by this destructive and dangerous phenomenon.

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Section: Open-ocean Resonant Generationmentioning

confidence: 96%

The Mediterranean and Black Sea meteotsunamis: an overview

et al. 2020

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“…Most of the meteotsunami events were relatively local (S = 1-2); the spatial coverage S = 3 was mainly associated with hurricanes (Okal 2021; Titov and Moore 2021) and typhoons (Heidarzadeh and Rabinovich 2021;Lin and Wu 2021) and also with intensive squall lines propagating along the coast (Sibley et al 2021;Araujo et al 2021). The chain of events on 23-27 June 2014 (S = 4) observed in many bays and harbours of the Mediterranean and Black seas (Rabinovich 2020;Vilibić et al 2021;Zemunik et al 2021;Okal 2021) was probably unique.…”

Section: Overview Of the Special Issue And Meteotsunami Cataloguingmentioning

confidence: 98%

“…Using a set of precise microbarographs and tide gauges, Zemunik et al (2021) quantify the atmospheric and oceanic conditions related to the phenomenon of marrobbio occurring along the south-western coast of Sicily, and emphasize the role of coastal topography and shelf bathymetry in generation of extreme meteotsunami waves. Introduction of wetting and drying into a numerical model, is documented by Bubalo et al (2021).…”

Section: Mediterranean and Black Sea Meteotsunamismentioning

confidence: 99%

Special issue on the global perspective on meteotsunami science: editorial

2021

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“…2. Overall, no pronounced energy peaks are found in the spectrograms, which is typical for spectra of air pressure characterized by a number of oscillatory movements with no dominant period (Monserrat and Thorpe, 1992;Zemunik et al, 2020). Additionally, in operational mode, the CMeEWS would have provided warnings for a full day (next 30 h period including night hours past midnight) and not for a precise time.…”

Section: Measured and Modelled Meteotsunamigenic Disturbancesmentioning

confidence: 99%

Performance of the Adriatic early warning system during the multi-meteotsunami event of 11–19 May 2020: an assessment using energy banners

Tojčić

Denamiel

Vilibić

2021

Nat. Hazards Earth Syst. Sci.

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Abstract. This study quantifies the performance of the Croatian meteotsunami early warning system (CMeEWS) composed of a network of air pressure and sea level observations, a high-resolution atmosphere–ocean modelling suite, and a stochastic surrogate model. The CMeEWS, which is not operational due to a lack of numerical resources, is used retroactively to reproduce the multiple events observed in the eastern Adriatic between 11 and 19 May 2020. The performances of the CMeEWS deterministic models are then assessed with an innovative method using energy banners based on temporal and spatial spectral analysis of the high-pass-filtered air pressure and sea level fields. It is found that deterministic simulations largely fail to forecast these extreme events at endangered locations along the Croatian coast, mostly due to a systematic northwestward shift of the atmospheric disturbances. Additionally, the use of combined ocean and atmospheric model results, instead of atmospheric model results only, is not found to improve the selection of the transects used to extract the atmospheric parameters feeding the stochastic meteotsunami surrogate model. Finally, in operational mode, the stochastic surrogate model would have triggered the warnings for most of the observed events but also set off some false alarms. Due to the uncertainties associated with operational modelling of meteotsunamigenic disturbances, the stochastic approach has thus proven to overcome the failures of the deterministic forecasts and should be further developed.

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Observing meteotsunamis (“Marrobbio”) on the southwestern coast of Sicily

Cited by 10 publications

References 62 publications

The Mediterranean and Black Sea meteotsunamis: an overview

The Mediterranean and Black Sea meteotsunamis: an overview

Special issue on the global perspective on meteotsunami science: editorial

Performance of the Adriatic early warning system during the multi-meteotsunami event of 11–19 May 2020: an assessment using energy banners

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