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Southeast African monsoon clouds over Mayotte. The monsoon of western Sub-Saharan Africa is the result of the seasonal shifts of the Intertropical Convergence Zone and the great seasonal temperature and humidity differences between the Sahara and the equatorial Atlantic Ocean. [46]
When the North African Monsoon is at its strongest, annual precipitation and consequently vegetation in the Sahara region increase, resulting in conditions commonly referred to as the "green Sahara". For a relatively weak North African Monsoon, the opposite is true, with decreased annual precipitation and less vegetation resulting in a phase of ...
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]
Rainfall north of the equator in Africa typically increases from July through September as the West African Monsoon kicks into gear. ... “The Intertropical Convergence Zone, which is the reason ...
West African monsoon. A typical instigator of August hurricane activity is the West African monsoon trough. Monsoon waves come off the west coast of Africa and often become storms as they trek ...
A monsoon is a shift in seasonal wind pattern that brings on a very rainy period. In the U.S., the desert southwest, the summer monsoon season usually begins around mid-June. This occurs when ...
The climate of Africa is a range of climates such as the equatorial climate, the tropical wet and dry climate, the tropical monsoon climate, the semi-arid climate (semi-desert and steppe), the desert climate (hyper-arid and arid), the humid subtropical climate, and the subtropical highland climate. Temperate climates are rare across the ...
Therefore the rainfall seasonality varies from a single wet season per year in July–August in parts of the northwest (including Ethiopia and South Sudan, which are meteorologically more connected to West Africa, with the West African monsoon bringing the rains) to a single wet season per year in December – February in the south (over ...