Numerical Modelling of Waves and Surge from Cyclone Mekunu (May 2018) in the Arabian Sea

Authors

  • M. A. Sarker Technical Director, Royal HaskoningDHV, Rightwell House, Bretton, Peterborough PE3 8DW, United Kingdom.

DOI:

https://doi.org/10.30564/jasr.v2i4.1709

Abstract

Natural hazards like cyclones cause significant loss of life and damage to properties, ecosystems and marine structures and facilities. Numerical modelling of cyclones is carried out for deriving robust design conditions for coastal and marine structures and facilities. Cyclone modelling results are also used for emergency planning and decision-making to estimate potential loss of life, damage to properties and marine facilities and to develop rescue and mitigation measures and plan clean-up operations. Royal HaskoningDHV (RHDHV) has set up regional tidal hydrodynamic and wave transformation models covering the Arabian Sea to address the above issues. Cyclone Mekunu is relatively new (May 2018). A quick literature search by Royal HaskoningDHV has suggested that numerical modelling results of waves and surge on Cyclone Mekunu are hardly available in the public domain. Therefore, this paper has concentrated on this event to illustrate the use of numerical modelling to simulate waves and surge generated by cyclones. The MIKE21 model of DHI was used in the study. Sample results of waves and surge from the modelling study are presented in this paper for illustration purposes. Structural design considerations and cyclone risk reduction measures are also provided. The model could be used to simulate any cyclone generated anywhere within the Arabian Sea. The methodology described in this paper for modelling cyclone waves and surge in the Arabian Sea could also be applied to simulate cyclones at other sites around the world. The paper provides valuable information to the researchers and practitioners of the region on this relatively new event.

Keywords:

Numerical modelling; Natural hazards; Cyclones; Extreme waves; Storm surge; Port development; Arabian Sea; Cyclone Mekunu

References

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How to Cite

Sarker, M. A. (2019). Numerical Modelling of Waves and Surge from Cyclone Mekunu (May 2018) in the Arabian Sea. Journal of Atmospheric Science Research, 2(4), 12–20. https://doi.org/10.30564/jasr.v2i4.1709

Issue

Vol. 2 , Iss. 4 (October 2019)

Article Type

Article

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Copyright © 2020 Author(s)

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This is an open access article under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License.

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