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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]
The term "storm surge" in casual (non-scientific) use is storm tide; that is, it refers to the rise of water associated with the storm, plus tide, wave run-up, and freshwater flooding. When referencing storm surge height, it is important to clarify the usage, as well as the reference point. NHC tropical storm reports reference storm surge as ...
The region of Indonesia is not generally traversed by tropical cyclones although a lot of systems have historically formed there. [1] In an analysis of tropical cyclone data from the Bureau of Meteorology since 1907 to 2017 which was published after the dissipation of Cyclone Cempaka found that only around 0.62% of all cyclones in the Australian region during those years occurred north of the ...
A Sumatra squall (plural: Sumatra squalls or Sumatras) is a squall line—a line of thunderstorms—that develops over the Indonesian island of Sumatra and moves eastwards over the Straits of Malacca, producing heavy rain and gusty winds in Peninsular Malaysia, Singapore and Riau Islands, Indonesia. Sumatra squalls typically form in the predawn ...
During storms, wind setup forms part of the overall storm surge. For example, in the Netherlands, wind setup during a storm surge can raise water levels by as much as 3 metres above normal tidal levels. In tropical regions, such as the Caribbean, wind setup during cyclones can elevate water levels by up to 5 metres. This phenomenon becomes ...
A maximum wind gust of 264 km/h (164 mph) was recorded at Bermuda Harbour Radio. [345] A storm surge estimated at 3–3.5 m (9.8–11.5 ft) and waves of 7–10 m (23–33 ft) were reported during Fabian's passage. [346] Approximately 25,000 of the 32,031 power customers on the island lost power as a result of Fabian. [346]
While tropical cyclones can produce extremely powerful winds and torrential rain, they are also able to produce high waves and a damaging storm surge. [47] Their winds increase the wave size, and in so doing they draw more heat and moisture into their system, thereby increasing their strength.
The highest storm surge recorded in Mayotte was 28 ft (8.5 m). [58] Numerous homes were badly damaged and debris covered streets throughout the island. [59] Mayotte Central Hospital also suffered extensive damage from the storm. Many roads were rendered inaccessible in the territory, significantly hampering relief efforts. [45]