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| Meteorology in Africa | |
|---|---|
| Name | Meteorology in Africa |
| Region | Africa |
| Institutions | World Meteorological Organization, African Union, African Centre of Meteorological Application for Development, National Meteorological and Hydrological Services, South African Weather Service, Kenya Meteorological Department, Nigerian Meteorological Agency, Egyptian Meteorological Authority, Morocco National Meteorology Directorate, Ethiopian Meteorological Agency |
| Phenomena | Intertropical Convergence Zone, West African Monsoon, South Asian Monsoon, El Niño–Southern Oscillation, Indian Ocean Dipole, Benguela Current, Saharan Air Layer, Tropical cyclone |
| Major events | 2019 Cyclone Idai, 2015–16 El Niño event, 2010 Sahel drought, 1973 Sahel drought |
Meteorology in Africa Meteorology in Africa encompasses the study, monitoring, and forecasting of atmospheric processes across a continent whose climates range from equatorial rainforests to hyper‑arid deserts. African meteorological practice intersects with international agencies, regional centres, national services, and academic hubs to address impacts on agriculture, health, infrastructure, and humanitarian crises. Longstanding phenomena such as the Intertropical Convergence Zone and contemporary challenges like El Niño–Southern Oscillation variability shape policy, research, and resilience-building across the continent.
Africa's climate diversity includes the Sahel and its semi‑arid belt, the Sahara Desert, the Kalahari, the Horn of Africa, and the Congo Basin. Oceanic influences arise from the Atlantic Ocean, Indian Ocean, and Mediterranean Sea; currents such as the Benguela Current and features like the Gulf of Guinea modulate coastal climates. Mountainous regions including Atlas Mountains, Ethiopian Highlands, and Drakensberg create orographic precipitation patterns, while islands and archipelagos such as Madagascar, Seychelles, Cape Verde, and Comoros experience tropical cyclone interactions exemplified by Cyclone Idai. Climatic zones reference classifications used by the Intergovernmental Panel on Climate Change and data inputs from World Meteorological Organization networks and regional centres like African Centre of Meteorological Application for Development.
Large‑scale circulations such as the Hadley Cell, Walker circulation, and regional monsoons including the West African Monsoon drive seasonal rainfall and dry spells. Teleconnections involving El Niño–Southern Oscillation and the Indian Ocean Dipole alter precipitation in the Sahel and Horn of Africa. Dust transport by the Saharan Air Layer affects the Atlantic hurricane season and radiative forcing; dust pathways link sources in Mauritania, Mali, Chad, and Sudan to receptor regions like Cape Verde and the Caribbean Sea. Midlatitude influences from the Atlantic Meridional Overturning Circulation and transient eddies from the Mediterranean Sea modulate frontal incursions into northern Africa, affecting countries such as Morocco, Algeria, Tunisia, and Libya.
Regional features include the bimodal rainfall regime of the East African Rift affecting Kenya and Tanzania, the monomodal wet season of West Africa impacting Nigeria, Ghana, and Senegal, and the southerly shifts of the Intertropical Convergence Zone influencing Angola and Mozambique. Coastal upwelling zones like the Benguela Current produce cool, foggy conditions along Namibia and South Africa. Tropical cyclones in the southwest Indian Ocean impact Madagascar, Mozambique, and Mauritius; nor'easter‑like systems affect South Africa's eastern seaboard. Phenomena such as the African easterly jet and African easterly waves are progenitors of Atlantic tropical storms affecting Cape Verde and the Caribbean.
Observational capacity rests on surface synoptic stations maintained by national services including South African Weather Service, Kenya Meteorological Department, Nigerian Meteorological Agency, and Egyptian Meteorological Authority, supplemented by radiosonde launches coordinated with World Meteorological Organization standards. Satellite remote sensing from missions like Meteosat, NOAA polar satellites, MetOp, Sentinel series, and MODIS provides cloud, precipitation, and land‑surface data; international partnerships with European Space Agency, National Aeronautics and Space Administration, and Japan Aerospace Exploration Agency support data flow. Radar networks in urban centres such as Cape Town and Nairobi are expanding alongside capacity building by African Union initiatives and the Climate Services Partnership. Hydrometeorological monitoring links to river basins like the Nile, Niger River, Zambezi, and Congo River via agencies such as Trans-African Hydro-Meteorological Observatory projects.
Regional forecasting frameworks involve the African Centre of Meteorological Application for Development, the World Meteorological Organization, and national meteorological agencies issuing warnings for floods, droughts, heatwaves, and cyclones. Early warning systems integrate ensemble outputs from global models such as ECMWF and GFS with regional models like the WRF and regional climate downscaling centers linked to IPCC assessment guidance. Response coordination often involves United Nations Office for the Coordination of Humanitarian Affairs, International Federation of Red Cross and Red Crescent Societies, and regional bodies like Economic Community of West African States and Southern African Development Community during events such as 2019 Cyclone Idai and Sahelian drought emergencies.
Academic and research capacity is centered in universities and institutes including University of Cape Town, University of Nairobi, Cairo University, Makerere University, University of Ghana, Addis Ababa University, University of Ibadan, and research bodies like International Research Institute for Climate and Society, Climate Prediction and Application Centre, Future Climate For Africa, and African Monsoon Multidisciplinary Analysis. Training and certification are offered through programs affiliated with World Meteorological Organization regional training centres and collaborations with Met Office and National Oceanic and Atmospheric Administration. Professional networks include the African Meteorological Society and regional centres of excellence fostering work on topics such as seasonal forecasting, climate services, and agro‑meteorology.
Challenges include sparse observational coverage across countries such as Chad, Central African Republic, and Somalia, limited computational infrastructure, and funding constraints affecting services in Mozambique and Sudan. Climate change impacts projected by Intergovernmental Panel on Climate Change scenarios suggest increased frequency of extreme heat, shifts in rainfall patterns affecting Sahel agriculture, intensified tropical storms for Madagascar and Mozambique, and sea‑level rise threats to coastal cities like Alexandria, Lagos, and Dakar. Adaptation strategies mobilize climate services for agriculture (linking to Food and Agriculture Organization initiatives), urban resilience projects in Cape Town and Casablanca, and ecosystem‑based approaches in the Congo Basin and Okavango Delta supported by multilateral funds such as the Green Climate Fund and programs run by United Nations Environment Programme.