Hurricane Florence could bring a wall of water up to 11 feet high — here's what a storm surge is and why it forms
Thursday, 13 September 2018 · A major threat from Hurricane Florence is flooding associated with storm surge.
· A storm surge is when hurricanes or tropical storms push the water level above the high tide line, flooding coastal communities.
· In some areas of North Carolina, the surge is expected to reach 11 feet.
Hurricane Florence lumbered ashore in North Carolina with howling 90 mph winds and terrifying storm surge early Friday, splintering buildings and trapping hundreds of people in high water as it settled in for what could be a long and extraordinarily destructive drenching.