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By contrast, the U.S. National Weather Service, Central Pacific Hurricane Center and the Joint Typhoon Warning Center define sustained winds as average winds over a period of one minute, measured at the same 33 ft (10.1 m) height, [16] [17] and that is the definition used for this scale.
The scale used for a particular tropical cyclone depends on what basin the system is located in; with for example the Saffir–Simpson hurricane wind scale and the Australian tropical cyclone intensity scales both used in the Western Hemisphere. All of the scales rank tropical cyclones using their maximum sustained winds, which are either ...
Followed with 03U, Tropical Storm Anggrek would form. It would peak as a Category 3 tropical cyclone on the Australian scale, equivalent to a Category 1 hurricane on the Saffir-Simpson hurricane wind scale, and later would become an intense cyclone. Anggrek exited the basin on January 25, continuing its trek in the Southwest Indian Ocean.
Accumulated cyclone energy (ACE) is a metric used to compare overall activity of tropical cyclones, utilizing the available records of windspeeds at six-hour intervals to synthesize storm duration and strength into a single index value. [1]
Before the 1–5 scale was created in 1969 by the National Hurricane Center and later by the Bureau of Meteorology in Australia, many tropical cyclones were simply ranked by the Beaufort Wind Scale which was created in the early 1800s by Francis Beaufort. The purpose of the scale was to standardize wind reports in ship logs.
Fed by climate change, hurricanes have outpaced the tool meteorologists use to convey their strength, and the National Hurricane Center should add a Category 6 to the Saffir-Simpson scale to ...
Hurricane Jova was a very powerful tropical cyclone that became the first Pacific hurricane to reach Category 5 strength on the Saffir-Simpson scale since Willa in 2018. Jova was also one of the fastest–intensifying tropical cyclones on record in the Eastern Pacific tropical cyclone basin . [ 1 ]
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