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By NBI
The hydrology of the Nile Basin is highly sensitive to climate variability. Fluctuations in precipitation and evapotranspiration directly influence river flows, lake levels, water availability, and water quality across the region. The basin experiences three distinct rainy seasons: the long rains from March to May (MAM) and the short rains from October to December (OND) in the Nile Equatorial Lakes region, and a single rainy season from June to September (JJAS) in the Eastern Nile region.
To support anticipatory action and strengthen the management of water-related risks, the Nile Basin Initiative produces Seasonal Hydrological Outlooks and Advisories for these rainy seasons. The outlooks promote timely data and information sharing to support early warning systems, reduce vulnerability to floods and droughts, and strengthen adaptive water resources management across the basin countries.
This report reflects the collaborative efforts of national meteorological and hydrological services, regional climate centers, and the Regional Expert Working Group on Hydrology in co-producing knowledge products for the basin. It builds on the seasonal climate forecasts issued by the IGAD Climate Prediction and Applications Centre (ICPAC).
To further increase the value and reach of these outlooks, NBI and its partners are developing systems and communication pathways that deliver hydrological information to communities and decision-makers, ensuring that those most vulnerable to climate- and water-related risks can access and act on timely, reliable information. Download the Hydrological Outlook and Advisory Reports.
