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In Africa, tropical cyclones can originate from tropical waves generated over the Sahara Desert, [179] or otherwise strike the Horn of Africa and Southern Africa. [180] [181] Cyclone Idai in March 2019 hit central Mozambique, becoming the deadliest tropical cyclone on record in Africa, with 1,302 fatalities, and damage estimated at US$2.2 billion.
Most tropical cyclones originate in the doldrums, approximately ten degrees from the Equator. The term "tropical" refers to both the geographic origin of these systems, which form almost exclusively in tropical regions of the globe, as well as to their formation in maritime tropical air masses .
Tropical cyclogenesis is extremely rare in the far southeastern Pacific Ocean, due to the cold sea-surface temperatures generated by the Humboldt Current, and also due to unfavorable wind shear; as such, Cyclone Yaku in March 2023 is the only known instance of a tropical cyclone impacting western South America.
The proportion of tropical cyclones reaching category four and five may increase by around 10% if global temperature rises are limited to 1.5C, increasing to 13% at 2C and 20% at 4C, the IPCC says ...
A tropical cyclone is a broad term that encompasses tropical storms, hurricanes, typhoons and any form of tropical system around the w From the eye to storm surge: The anatomy of a hurricane Skip ...
A tropical cyclone is a storm system characterized by a low-pressure center and numerous thunderstorms that produce strong winds and flooding rain. [45] A tropical cyclone feeds on heat released when moist air rises, resulting in condensation of water vapour contained in the moist air. [45]
In the western Pacific Ocean, tropical cyclones th The origin of the word "hurricane" comes from the Taino Indigenous Caribbean word "hurakán," meaning evil spirits of the wind.
While these conditions are necessary for tropical cyclone formation, they do not guarantee that a tropical cyclone will form. Normally, an ocean temperature of 26.5 °C (79.7 °F) spanning through a depth of at least 50 metres (160 ft) is considered the minimum to maintain the special mesocyclone that is the tropical cyclone.