The forecast through March 2020 indicates that water deficits in Africa will shrink and downgrade considerably, but exceptional deficits will emerge from central Somalia into Ethiopia. Surpluses in East Africa will remain widespread, particularly in Tanzania and Kenya. Other areas with a forecast of surplus include the Nile River through Egypt and nations on the north coast of the Gulf of Guinea.
Global Precipitation & Temperature Outlook November 2019
Africa: Water deficits to downgrade in the south, intensify in the north
The forecast through June indicates that water deficits will downgrade in the southern half of the continent and its midsection but will intensify across the north. In the Horn, deficits will downgrade but exceptional deficits are forecast for Somalia from the Jubba River past the Shabelle River. Intense deficits are expected in Zambia, Zimbabwe, southwestern Angola, and the Okavango Delta. Areas of surplus include western Tanzania and south-central Chad.
Global Precipitation & Temperature Outlook April 2019
The April Outlook indicates a forecast of warmer than normal temperatures in many parts of the world, and regions with especially widespread or intense anomalies include Siberia, Alaska, Thailand, Sri Lanka, around the Gulf of Guinea in Africa, and through much of the Andes in South America. Areas forecast to be wetter than normal include northern Africa and pockets of the Middle East.
Africa: Water deficits forecast to increase across the Sahel
The forecast through April indicates that water deficits will downgrade in the southern half of the continent, becoming primarily moderate across the central breadth and mild in the south. Deficits in the north will increase and intensify, with moderate to extreme deficits in the Sahara and deficits reaching exceptional intensity in parts of the Sahel and into western Ethiopia. Intense deficits will linger in Cameroon, Equatorial Guinea, and Gabon. Surpluses will persist in western Tanzania.