Storm surge

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A storm surge is a coastal flood or tsunami-like phenomenon of rising water (tropical wave) commonly associated with low-pressure weather systems, such as tropical cyclones. Alternatively, it may be known as a storm flood, tidal surge, or storm tide. It is measured as the rise in water level above the normal tidal level, and does not include waves. The main meteorological factor contributing to a storm surge is high-speed wind pushing water towards the coast over a long fetch. Other factors affecting storm surge severity include the shallowness and orientation of the water body in the storm path, the timing of tides, and the atmospheric pressure drop due to the storm. As extreme weather becomes more intense and the sea level rises due to climate change, storm surges are expected to cause more risk to coastal populations. Communities and governments can adapt by building hard infrastructure, like flood barriers, soft infrastructure, like coastal dunes or mangroves, improving coastal construction...

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