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Tropical Storm Dorian as a tropical wave just north of Puerto Rico on July 29, 2013.. A tropical wave (also called easterly wave, tropical easterly wave, and African easterly wave), in and around the Atlantic Ocean, is a type of atmospheric trough, an elongated area of relatively low air pressure, oriented north to south, which moves from east to west across the tropics, causing areas of ...
The major monsoon systems of the world consist of the West African, Asian–Australian, the North American, and South American monsoons. The term was first used in English in British India and neighboring countries to refer to the big seasonal winds blowing from the Bay of Bengal and Arabian Sea in the southwest bringing heavy rainfall to the area.
Cyclones. Extratropical cyclone. European windstorms; Australian East Coast Low "Medicane", Mediterranean tropical-like cyclones Polar cyclone; Tropical cyclone, also called a hurricane, typhoon, or just "cyclone"
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 ...
Of the 197 hurricanes classified as Category 5 from 1980 to 2021, five fit the description of a hypothetical Category 6 hurricane: Typhoon Haiyan in 2013, Hurricane Patricia in 2015, Typhoon ...
In doing so, they leave East Africa unusually dry for its latitude. [19] Low-level southwesterlies emanating from the Gulf of Guinea are the key moisture source for the West African monsoon in northern hemisphere summer. [20] The Tropical Easterly Jet, which forms high up in the atmosphere, 15–17 km above the surface, is another important factor.
Researchers examined how particulate air pollution, or aerosols, and climate change have affected tropical cyclones across the planet over the past 40 years in a new study from the National ...
The African humid period was caused by a stronger West African Monsoon [125] directed by changes in solar irradiance and in albedo feedbacks. [17] These led to increased moisture import from both the equatorial Atlantic into West Africa, as well as from the North Atlantic and the Mediterranean Sea towards the Mediterranean coasts of Africa. [126]