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Atmospheric processes responsible for generation of the 2008 Boothbay meteotsunami

Author

Listed:
  • I. Vilibić
  • K. Horvath
  • N. Strelec Mahović
  • S. Monserrat
  • M. Marcos
  • Á. Amores
  • I. Fine

Abstract

We investigated the atmospheric processes and physics that were active during a tsunami-like event hitting Boothbay Harbor area (Maine, USA) on 28 October 2008. The data collected by tide gauges, ground and sounding stations and meteo–ocean buoys in the area were analyzed, together with satellite and radar images. The atmospheric processes were reproduced by the weather research and forecasting model, verified by in situ and remote sensing data. A cold front moved over the area at the time of the event, with embedded convective clouds detected by satellite and radar data and the internal gravity waves (IGWs) detected by radar and reproduced by the model at the rear of the frontal precipitation band. According to the model, the IGWs that passed over Boothbay Harbor generated strong ground air-pressure oscillations reaching 2.5 hPa/3 min. The IGWs were ducted towards the coast without significant dissipation, propagating in a stable near-surface layer capped by an instability at approximately 3.5 km height and satisfying all conditions for their maintenance over larger areas. The intensity, speed and direction of the IGWs were favourable for generation of a meteotsunami wave along the Gulf of Maine shelf. Operational observation systems were not capable of sufficiently capturing the ground disturbance due to a too coarse sampling rate, while the numerical model was found to be a useful tool in eventual future detection and warning systems. Copyright Springer Science+Business Media Dordrecht 2014

Suggested Citation

  • I. Vilibić & K. Horvath & N. Strelec Mahović & S. Monserrat & M. Marcos & Á. Amores & I. Fine, 2014. "Atmospheric processes responsible for generation of the 2008 Boothbay meteotsunami," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 74(1), pages 25-53, October.
  • Handle: RePEc:spr:nathaz:v:74:y:2014:i:1:p:25-53
    DOI: 10.1007/s11069-013-0811-y
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    Citations

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    Cited by:

    1. Ivica Vilibić & Sebastian Monserrat & Alexander Rabinovich, 2014. "Meteorological tsunamis on the US East Coast and in other regions of the World Ocean," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 74(1), pages 1-9, October.
    2. Kristian Horvath & Ivica Vilibić, 2014. "Atmospheric mesoscale conditions during the Boothbay meteotsunami: a numerical sensitivity study using a high-resolution mesoscale model," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 74(1), pages 55-74, October.
    3. Emile Okal & Johan Visser & Coenraad Beer, 2014. "The Dwarskersbos, South Africa local tsunami of August 27, 1969: field survey and simulation as a meteorological event," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 74(1), pages 251-268, October.
    4. Wei Cheng & Juan Horrillo & Richards Sunny, 2022. "Numerical analysis of meteotsunamis in the Northeastern Gulf of Mexico," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 110(3), pages 1719-1734, February.
    5. Jadranka Šepić & Alexander Rabinovich, 2014. "Meteotsunami in the Great Lakes and on the Atlantic coast of the United States generated by the “derecho” of June 29–30, 2012," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 74(1), pages 75-107, October.
    6. Mohammad Hossein Kazeminezhad & Ivica Vilibić & Cléa Denamiel & Parvin Ghafarian & Samaneh Negah, 2021. "Weather radar and ancillary observations of the convective system causing the northern Persian Gulf meteotsunami on 19 March 2017," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 106(2), pages 1747-1769, March.

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