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Of the 42 hurricanes currently considered to have attained Category 5 status in the Atlantic, 19 had wind speeds at 175 mph (78 m/s; 152 kn; 282 km/h) or greater. Only 9 had wind speeds at 180 mph (80.5 m/s; 156 kn; 290 km/h) or greater (the 1935 Labor Day hurricane, Allen, Gilbert, Mitch, Rita, Wilma, Irma, Dorian, and Milton).
A Category 4 hurricane has winds of 113 to 136 kn (130 to 157 mph; 209 to 252 km/h), while a Category 5 hurricane has winds of at least 137 kn (158 mph; 254 km/h). [ 1 ] [ 3 ] A post tropical cyclone is a system that has weakened, into a remnant low or has dissipated and formal advisories are usually discontinued at this stage. [ 1 ]
A Category 5 Atlantic hurricane is a tropical cyclone that reaches Category 5 intensity on the Saffir–Simpson hurricane wind scale, within the Atlantic Ocean to the north of the equator. They are among the strongest tropical cyclones that can form on Earth, having 1-minute sustained wind speeds of at least 137 knots (254 km/h; 158 mph; 70 m/s).
On Aug. 22, 1992, Hurricane Andrew pummeled southern Florida as a monster Category 5 storm with sustained wind speeds as high as 165 mph and gusts as high as 174 mph. Homes were reduced to piles ...
Once a tropical storm strengthens into a hurricane, it earns a category designation on the Saffir-Simpson Hurricane Wind Scale: 1 through 5.
Major hurricanes (Category 3 or above) usually cause the most wind damage. [1] Hurricane Andrew for example caused $45 billion (2005 USD) in damage, most of it wind damage. [2] Although wind damage is rare to tropical cyclones near landmasses, there are a few factors that lead to high wind speeds.
The wind speeds of the hurricanes were cranked up by an average of 18 mph, which caused 30 of them to go up at least one category higher on the Saffir-Simpson hurricane wind scale.
Tropical cyclones can attain some of the lowest pressures over large areas on Earth. However, although there is a strong connection between lowered pressures and higher wind speeds, storms with the lowest pressures may not have the highest wind speeds, as each storm's relationship between wind and pressure is slightly different. [1]
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