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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. [1]
In the days leading up to Hurricane Ian's landfall along Florida's Gulf Coast, AccuWeather meteorologists warned that storm surge and flooding would be among the most significant dangers of the ...
Their tsunami modelling showed that it would not be possible for a tsunami not to affect these areas, while causing flooding elsewhere in the country. Contemporary sources also indicate the flooding proceeded for a period of five hours, which is consistent with a storm surge rather than a tsunami. [9] [19]
The more gradual the slope, the higher the storm surge. "The height of the storm surge is also dictated by the shape of the coast," Kottlowski said, citing differences between a concave coast ...
A tsunami can occur in any tidal state and even at low tide can still inundate coastal areas. On April 1, 1946, the 8.6 M w Aleutian Islands earthquake occurred with a maximum Mercalli intensity of VI (Strong). It generated a tsunami which inundated Hilo on the island of Hawaii with a 14-metre high (46 ft) surge. Between 165 and 173 were killed.
What is storm surge? Storm surge occurs when there’s a departure from normal tide levels, said Pablo Santos, a meteorologist at the National Weather Service in Miami. “Whatever amount of water ...
A meteotsunami or meteorological tsunami [1] ... These events have produced waves over 6 feet (1.8 m) in height and can resemble storm surge flooding. [3]
Tropical storm watch TRA – Tropical storm conditions (gale- and storm-force sustained winds of 34 to 63 knots [39 to 72 mph; 63 to 117 km/h]) are possible within the specified coastal or inland area within 48 hours in advance of the forecast onset of tropical-storm-force winds. These winds may be accompanied by storm surge, and coastal and/or ...