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Title:GENERATION OF EXTREME WAVE CONDITIONS FROM AN ACCELERATING TROPICAL CYCLONE
DOI No:10.1142/9789812709554_0064
Source:COASTAL ENGINEERING 2006 (pp 752-760)
Author(s):David P. Callaghan
Civil Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia

Jeff Callaghan
Bureau of Meteorology, 295 Ann Street, Brisbane, QLD, 4000, Australia

Peter Nielsen
Civil Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia

Tom Baldock
Civil Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia

Abstract:It has been well established that tropical cyclones are able to generate large wave conditions. However, the limited fetch dimensions from the moving circular wind field often limits wave growth. Here, we look at an accelerating tropical cyclone which generated extreme wave conditions bigger than expected given its size. The generation process involved the unusual situation in which the growing wave field was trapped within the tropical cyclone's wind field, due to the system movements matching that of the growing waves. Consequently, the trapped waves experienced the cyclonic winds for over one day, resulting in twice the wave heights that would be expected with a stationary cyclone.
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