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This research aims to assess the combined hazards of tropical cyclones focusing on wind, rainfall, and storm surge in Zhejiang Province.

Comprehensive Hazard Assessment of Tropical Cyclone-Induced Wind, Rainfall, and Storm Surge: A Case Study of Zhejiang Province, China

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This research aims to assess the combined hazards of tropical cyclones focusing on wind, rainfall, and storm surge in Zhejiang Province.
Utilized numerical simulation data from 1979 to 2022 for tropical cyclones.
Developed a joint probability model based on the C-vine copula function.
Characterized interactions among wind, rainfall, and storm surge.
Analyzed return periods and failure probabilities of engineering structures under various scenarios.
Simulated data closely matched observations with errors below 4 m/s for wind and 0.2 m for storm surge.
Return period estimates were significantly biased when ignoring factor dependence, with a mean return period of 2.698 years under dependence modeling.
Observed a distinct spatial pattern of tropical cyclone hazards with higher values in southern coastal counties.

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Numerical simulations reveal storm surge and rainfall hazards in coastal Zhejiang, indicating important implications for disaster risk management.

Liao et al. (2026) studied this question.

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Numerical simulations reveal storm surge and rainfall hazards in coastal Zhejiang, indicating important implications for disaster risk management.