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Hurricane Catarina was an extraordinarily rare hurricane-strength tropical cyclone, forming in the southern Atlantic Ocean in March 2004. [13] Just after becoming a hurricane, it hit the southern coast of Brazil in the state of Santa Catarina on the evening of 28 March, with winds up to 195 kilometres per hour (121 mph) making it a Category 2 ...
Depending on its location and strength, a tropical cyclone is called a hurricane (/ ˈ h ʌr ɪ k ən,-k eɪ n /), typhoon (/ t aɪ ˈ f uː n /), tropical storm, cyclonic storm, tropical depression, or simply cyclone. A hurricane is a strong tropical cyclone that occurs in the Atlantic Ocean or northeastern Pacific Ocean.
An announcement that hurricane conditions (sustained winds of 74 mph or higher) are expected somewhere within the specified coastal area. Because hurricane preparedness activities become difficult once winds reach tropical storm force, the hurricane warning is issued 36 hours in advance of the anticipated onset of tropical-storm-force winds. [1]
Their rotation is (usually) in the same direction as low pressure systems in a given hemisphere: counter-clockwise in the northern, and clockwise in the southern hemisphere, with the only occasional exceptions being the smallest-scale mesocyclones. Mesoanticyclones that rotate in an opposite direction may accompany mesocyclones within a ...
It circulates in a counterclockwise direction in the northern hemisphere and a clockwise direction in the southern hemisphere. A bomb cyclone's winds can reach hurricane force - 74 miles (119 km ...
A polar cyclone is a low-pressure weather system, usually spanning 1,000 kilometres (620 mi) to 2,000 kilometres (1,200 mi), [54] in which the air circulates in a counterclockwise direction in the northern hemisphere, and a clockwise direction in the southern hemisphere. The Coriolis acceleration acting on the air masses moving poleward at high ...
Major Hurricane: A hurricane rated at a category three strength or higher. These hurricanes have speeds starting at about 111 - 129 mph. Hurricane Dorian, a category 5 hurricane in 2019 had speeds ...
The most intense hurricane on record is Wilma in 2005, with a minimum central pressure of 882 millibars, followed by Gilbert in 1988, the Labor Day hurricane of 1935, and Rita in 2005.