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Generating Synthetic Tropical Cyclone Databases for Input to Modeling of Extreme Winds, Waves, and Storm Surges


Hardy, TA and Mason, LB and McConochie, JD, Generating Synthetic Tropical Cyclone Databases for Input to Modeling of Extreme Winds, Waves, and Storm Surges, Indian Ocean Tropical Cyclones and Climate Change, Springer, Yassine Charabi (ed), New York, pp. 57-64. ISBN 978-90-481-3108-2 (2010) [Research Book Chapter]


The attack of a severe tropical cyclone at any location is a rare event; therefore, a long data record is necessary in order to determine the characteristics of the population of storms that can affect a location. Unfortunately, reliable and complete data of tropical cyclone tracks and central pressures are not nearly long enough to define the severe end of the distributions. To mitigate this problem of the lack of data in the two Australian tropical cyclone regions a state-of-the-art modeling system has been developed and deployed in three projects, two in the Coral Sea (Hardy et al., 2003, 2004) and one in the Northwestern Australia waters. The Coral Sea studies produced a set of 3,000 years of synthetic tropical cyclones and then simulated the winds, waves, and storm tides. Three climate change scenarios were also modeled. The Northwestern study was much more ambitious, modeling 100,000 years of tropical cyclones to obtain robust measures of the 100-10,000 year return periods of wind and wave conditions. The modeling system required development and/or adaptation of a series of models: (a) synthetic tropical cyclone model, (b) parametric wind field model, (c) wave model, and (d) storm surge and current model. This modeling technique could be applied to any tropical cyclone region to provide input to wind, wave, storm surge, erosion, rainfall, and flood routing models.

Item Details

Item Type:Research Book Chapter
Research Division:Engineering
Research Group:Maritime engineering
Research Field:Maritime engineering not elsewhere classified
Objective Division:Environmental Management
Objective Group:Air quality, atmosphere and weather
Objective Field:Weather
UTAS Author:Mason, LB (Mr Luciano Mason)
ID Code:80938
Year Published:2010
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2012-11-18
Last Modified:2012-11-18

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