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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 highest classification in the scale, Category 5 , consists of storms with sustained winds of at least 157 mph (137 kn, 252 km/h).
August 27, 2020 – Hurricane Laura, as a high-end Category 4 hurricane, made landfall near the Louisiana–Texas border in Cameron Parish and simultaneously tied the 1856 Last Island hurricane as the strongest tropical cyclone ever to make landfall in Louisiana with maximum sustained winds of 150 mph. Storm surge as high as 17 feet was ...
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 ...
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 ...
Francine made landfall over the Louisiana coast as a Category 2 hurricane early Wednesday evening before quickly weakening to a tropical storm. Maps show Tropical Storm Francine's path and ...
The Saffir-Simpson Scale — which measures the strength of a hurricane’s winds on a scale of Category 1 to Category 5, with 5 being the strongest — was introduced to the public in 1973, the ...
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 ]
Hurricane Francine made landfall in southern Louisiana in the Parish of Terrebonne, about 30 miles south-southwest of Morgan City, as a Category 2 (Saffir-Simpson Hurricane Wind Scale) storm at 5: ...