When you think about coastal flooding, you probably don’t realize that in many South Florida neighborhoods far from the sea, drainage is a problem that can be made worse by flooding near the ocean. The drainage gates are controlled by the water districts, and they have to balance flows in all directions. Sometimes that means closing a gate to keep water from draining the inland areas, resulting in high water levels far inland. You can read more from the Miami Herald at https://news.yahoo.com/sea-level-rise-becoming-hazard-110000394.html.
