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A complete physics-based hurricane radial wind profile constrained by observations

Speaker: Dan Chavas, Postdoctoral Research Fellow
Series: EEWR Brown Bag Seminars
Location: Engineering Quad E225
Date/Time: Friday, March 7, 2014, 12:00 p.m. - 1:00 p.m.


Landfalling U.S. hurricanes are responsible for four of the top five costliest insured property losses due to natural disaster worldwide since 1980. Physics-based modeling of hurricane damage and risk, particularly from storm surge, depends on an accurate representation of the hurricane wind field. However, existing parametric radial wind profiles reflect our limited understanding of the physics of hurricane size and radial wind structure.

Here we present a complete physics-based hurricane radial wind profile that merges existing theoretical profiles for the inner convecting and outer non-convecting regions. The profile is then validated against data from the QuikSCAT surface wind vector database.