4/30/2024 0 Comments Fema flood zone search![]() Coastal areas are defined as those portions of coastal land zones (coastal county/parish) adjacent to the waters and bays of the oceans. "Most of the flooding that occurs in the Charleston Region can be labeled as Coastal Flood, Flash Flood, and the general term Flood according to the National Oceanic and Atmospheric Administration (NOAA).Ĭoastal Flood: Flooding of coastal areas are due to the vertical rise above normal water level caused by strong, persistent onshore wind, high astronomical tide, and/or low atmospheric pressure, resulting in damage, erosion, flooding, fatalities, or injuries. ![]() ![]() The Charleston County Hazard Mitigation Plan identifies the following types of flood hazards: Information on historic and past flooding events in the area is detailed in the Flood Insurance Study (FIS), which can be found at FEMA's Map Service Center. acres) mapped and unmapped tidal creeks and the Atlantic Ocean. Sources of flood hazards in Charleston include: the Stono, Ashley, Cooper, and Wando Rivers Wappoo, Orangegrove, James Island, and Church Creek (riverine flooding) small (drainage of <100sq.
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