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A tropical cyclone is the generic term for a warm-cored, non-frontal synoptic-scale low-pressure system over tropical or subtropical waters around the world. [4] [5] The systems generally have a well-defined center which is surrounded by deep atmospheric convection and a closed wind circulation at the surface. [4]
Hurricane Catarina, a rare South Atlantic tropical cyclone viewed from the International Space Station on March 26, 2004 The term "tropical" refers to both the geographic origin of these systems, which form almost exclusively in tropical regions of the globe, [ 46 ] and their dependence on Maritime Tropical air masses for their formation.
Hurricane Maria losing its characteristic structure after making landfall in Puerto Rico. Landfall is the event of a storm moving over land after being over water. More broadly, and in relation to human travel, it refers to 'the first land that is reached or seen at the end of a journey across the sea or through the air, or the fact of arriving there.
The strongest hurricane to reach land was the Labor Day Hurricane of 1935 (892 hPa). [12] The deadliest hurricane was the Great Hurricane of 1780 (22,000 fatalities). [54] The deadliest hurricane to make landfall on the continental United States was the Galveston Hurricane in 1900, which may have killed up to 12,000 people. [55]
The 2024 North Indian Ocean cyclone season is an ongoing event in the annual cycle of tropical cyclone formation. It has been unreasonably less active in terms of formation of cyclonic storms. [1]
Hurricane Milton at peak intensity to the north of the Yucatán Peninsula in October 2024. Within the North Atlantic Basin, tropical or subtropical storms are named by the United States National Hurricane Center (NHC/RSMC Miami), when they are judged to have 1-minute sustained winds of at least 34 kn (39 mph; 63 km/h). [1]
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]
The damage caused by Hurricane Andrew is a good example of the damage caused by a category 5 Tropical cyclone A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain or squalls.