International Building Code

Hurricane-Prone Regions
Areas vulnerable to hurricanes are the U.S. Atlantic Ocean and Gulf of Mexico coasts where the basic wind speed is greater than 90 mph and Hawaii, Puerto Rico, Guam, Virgin Islands and American Samoa.
 
Wind-Borne Debris Region
Areas within hurricane-prone regions within 1 mile (1.61 km) of the coastal mean high water line where the basic wind speed is 110 miles  (48.4 m/s) per hour or greater; or where the basic wind speed is 120 miles (52.8 m/s) per hour or greater, or Hawaii.