https://www.scientificamerican.com/article/extreme-flooding-from-florence-likely-due-to-convergence-of-threats/

Hurricane Florence is bearing down on the U.S as a major hurricane that could inundate the coast with up to 13 feet of surging ocean water and more than two feet of rain.

Each of those flood hazards can do devastating damage on their own. But the combination of the two—a situation called compound flooding—could make floodwaters even higher, last longer and reach farther inland than anticipated.