Featured Publications

Summary for Decision Makers, June to September 2025 Season
Download our Summary for Decision Makers with impacts and advisories for the June-September 2025 se…

Technical Statement from the 70th Greater Horn of Africa Climate Outlook Forum (GHACOF 70)
The 70th Greater Horn of Africa Climate Outlook Forum (GHACOF 70) was held from 19 - 20 May 2025, o…

GHACOF 69 report
GHACOF 69 concluded in Addis Ababa, Ethiopia, with a strong call for enhanced regional collaboratio…

Evaluation of satellite‑based rainfall estimates over the IGAD region of Eastern Africa
Satellite precipitation (rainfall) products have become increasingly valuable in the delivery of cl…
All Publications
Filter by Publication Type
Filter by Service
Filter by Project
Filter by Year
Showing 174 results

Technical statement from the 65th Greater Horn of Africa Climate Outlook Forum (GHACOF65) 22 August 2023; Nairobi, Kenya
October to December (OND) constitutes an important rainfall season, particularly in the equatorial parts of the Greater Horn of Africa (GHA), where OND contributes 20-70% of the annual total rainfall. Analysis of global climate model …

Extreme climatic events to intensify over the Lake Victoria Basin under global warming
This paper presents an analysis of future precipitation patterns over the Lake Victoria Basin, East Africa, using bias-corrected CMIP6 model projections.
A mean increase of about 5% in mean annual (ANN) and seasonal [March–May (MAM), …

A Lagrangian Analysis of the Sources of Rainfall Over the Horn of Africa Drylands
The Horn of Africa drylands (HAD) are among the most vulnerable regions to hydroclimatic extremes.
The two rainfall seasons—long and short rains—exhibit high intraseasonal and interannual variability. Accurately simulating the long and short rains has …

Summary for Decision Makers, June to September 2023 Season
Download our latest Summary for Decision Makers with impacts and advisories for the following sectors:
- Disaster Risk Management
- Agriculture and Food Security
- Water and Energy
How should I use seasonal forecasts? Seasonal forecasts are tailored …

Statement from the 64th Greater Horn of Africa Climate Outlook Forum (GHACOF64)
June to September (JJAS) is an important rainy season, especially in the northern regions of the Greater Horn of Africa (GHA), where it contributes to more than 50% of the annual rainfall. The forecast indicates …

Communiqué du 64ème Forum de Prévision Climatique de la Grande Corne de l'Afrique (GHACOF 64), 22-24 Mai 2023 ; Addis Abeba, Éthiopie
La période de Juin à Septembre (JJAS) est une saison des pluies importante, en particulier dans les régions du nord de la Grande Corne de l'Afrique (GHA), où elle contribue à plus de 50 % …

Changes and variability in rainfall onset, cessation, and length of rainy season in the IGAD region of Eastern Africa
Rainfall onset dates (ROD), rainfall cessation dates (RCD), and length of the rainy season (LRS) are crucial for crop production and food security in Eastern Africa, yet they are scantily documented. This paper seeks to …

Summary for Decision Makers, March to May 2023 Season
Download our latest Summary for Decision Makers with impacts and advisories for the following sectors:
- Disaster Risk Management
- Agriculture and Food Security
- Livestock
- Water and Energy
- Health
How should I use seasonal forecasts? Seasonal forecasts …

Representation of land–atmosphere coupling processes over Africa in coupled model intercomparison project Phase 6
Climate models are useful tools for monthly to decadal predictions of the evolution of climate.
This study assesses how CMIP6 models represent soil moisture-latent heat regimes and coupling processes between the land and atmosphere.
Metrics …