Estimating Tropical Cyclone Inland Flooding Risk in North America Cities from Modeling and Observations

Authors: Laiyin Zhu*, Western Michigan University
Topics: Hazards, Risks, and Disasters, Climatology and Meteorology, Water Resources and Hydrology
Keywords: Tropical Cyclone, Hurricane, Flood, Risk, North America
Session Type: Guided Poster
Day: 4/6/2019
Start / End Time: 9:55 AM / 11:35 AM
Room: Roosevelt 3.5, Marriott, Exhibition Level
Presentation File: Download

Heavy rainfall generated by Tropical Cyclones (TC) is big threat to coastal cities in both the U.S. and Mexico. There is an urgent need to understand the long-term risk of freshwater floods in areas with dense population, especially after we experienced extreme events as Hurricane Harvey and Hurricane Florence in recent couple of years. This study will look at the spatial and temporal variability of TC inland flooding risk at multiple locations by using rainfall data obtained from both synthetic TC models and rain gauge observations. Stream flow magnitude and inundation will be computed at each location based on the modeled and observed TC precipitation magnitude.

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