Maximum wind speed radius and filling model of tropical cyclones in the coastal regions of Southeast China

Yong Quan (), Chao Tan and Baoshan Chen
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Yong Quan: Tongji University
Chao Tan: Tongji University
Baoshan Chen: Tongji University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2024, vol. 120, issue 8, No 11, 7195-7209

Abstract: Abstract The estimation of extreme wind speed for tropical cyclones (TCs) is often achieved through Monte Carlo numerical simulation method. The accuracy of the Monte Carlo simulations is directly affected by the extent to which the probability distributions and correlations of wind field parameters can be determined correctly. In order to enrich the information on key TC parameters in the coastal areas of southeast China, based on the analysis of historical data of TCs and near-ground measured data by meteorological departments, the function relationships between statistical values of the maximum wind speed radius and the central pressure difference are explored at first in the present study. Secondly, the coastal areas of southeast China are subdivided into four regions according to the influence factors of TC parameters and a new filling model for post-landfall TCs is also proposed for these regions. Finally, the accuracy and effectiveness of the proposed function relationships and the filling model are validated through a comparison of the present predicted results with those of previous methods and measured results.

Keywords: Tropical cyclone; Wind field model; China (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11069-024-06508-1

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