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It is calculated by summing the square of tropical cyclones' maximum sustained winds, as recorded every six hours, but only for windspeeds of at least tropical storm strength (≥ 34 kn; 63 km/h; 39 mph); [4] the resulting figure is divided by 10,000 to place it on a more manageable scale. [2]
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 ...
6×10 14 J: Energy released by an average hurricane per day [179] 10 15: peta-(PJ) > 10 15 J: Energy released by a severe thunderstorm [180] 1×10 15 J: Yearly electricity consumption in Greenland as of 2008 [181] [182] 4.2×10 15 J: Energy released by explosion of 1 megaton of TNT [59] [183] 10 16 1×10 16 J
A type Ia supernova explosion gives off 1– 2 × 10 44 joules of energy, which is about 2.4–4.8 hundred billion yottatons (24–48 octillion (2.4– 4.8 × 10 28) megatons) of TNT, equivalent to the explosive force of a quantity of TNT over a trillion (10 12) times the mass of the planet Earth.
As storm winds organize into a hurricane, they pull energy from the heat in surface waters. ... (56 kph) within 24 hours, which can see a storm jump by two categories. On Monday, Milton became the ...
Hurricane Milton is set to make landfall late Wednesday or early Thursday in the Tampa, Fla., region after undergoing a rapid intensification this week that saw it become the third-fastest storm ...
This measuring system was formerly known as the Saffir–Simpson hurricane scale, or SSHS. To be classified as a hurricane, a tropical cyclone must have one-minute-average maximum sustained winds at 10 m (33 ft) above the surface of at least 74 mph (64 kn, 119 km/h; Category 1). [1]
The November 1932 Cuba hurricane and Hurricane Irma in 2007 spent the longest combined time at Category 5 strength at 78 and 77 hours, respectively, according to the National Oceanic and ...