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A storm surge, storm flood, tidal surge, or storm tide is a coastal flood or tsunami-like phenomenon of rising water commonly associated with low-pressure weather systems, such as cyclones. It is measured as the rise in water level above the normal tidal level, and does not include waves.
A storm surge is an onshore gush of water associated with a low pressure weather system. Storm surges can cause beach accretion and erosion. [2] Historically notable storm surges occurred during the North Sea Flood of 1953, Hurricane Katrina, and the 1970 Bhola cyclone.
The amount of sea level rise or fall from a storm surge depends greatly on the amount and duration of wind and water in a specific location. During high tides, these surges can have an even greater effect on the coast. Almost all storms with high wind and water cause erosion along the coast. Erosion can occur along shore currents due to tides ...
Storm surge is an above-normal rise in seawater along the coast caused by a tropical storm or hurricane and exceeding normal astronomical tides. "These tropical cyclones generate enough wind and ...
Mangrove swamps protect coastal areas from erosion, storm surge (especially during tropical cyclones), and tsunamis. [15] [16] [17] They limit high-energy wave erosion mainly during events such as storm surges and tsunamis. [18] The mangroves' massive root systems are efficient at dissipating wave energy. [19]
Storm surge occurs when there’s a departure from normal tide levels, said Pablo Santos, a meteorologist at the National Weather Service in Miami. ... which causes flooding. And a slowing storm ...
Storm surge at those levels is likely to cause flash flooding in areas including Cherry Grove in North Myrtle Beach, and the continued erosion of sand can leave nearby properties more vulnerable ...
Storms can cause erosion hundreds of times faster than normal weather. Before-and-after comparisons can be made using data gathered by manual surveying, laser altimeter, or a GPS unit mounted on an ATV. [16] Remote sensing data such as Landsat scenes can be used for large scale and multi year assessments of coastal erosion.