21-30 September, 2025
Rainfall
Wetter Than Normal Conditions (Green and Light Green)
- Much Wetter than Normal (Dark Green): Concentrated heavily over the northern parts of the region including Sudan, South Sudan, parts of Eritrea, pockets in the northern parts of Ethiopia, Djibouti and northern Somalia.
- Wetter than Normal (Light Green): Forms a wide band surrounding the darkest green area, covering most of countries highlighted above.
Near Normal Conditions (Light Blue)
- Near Normal: Predominantly observed in large parts of Uganda, South Sudan, Ethiopia, Somalia, Eritrea, and Sudan.
Drier Than Normal Conditions (Yellow and Orange)
- Drier than Normal (Yellow) and Much Drier than Normal (Orange): These conditions dominate the eastern and southern parts of the region.
- Significant drier areas cover most of southeastern Ethiopia, Somalia, Kenya, Tanzania.
- The orange ('Much drier than normal') is evident in isolated patches across most of the countries highlighted.
No Rain (White)
- No Rain: Indicated in the very northern and eastern dry areas, particularly along the coast of Eritrea, Sudan, parts Somalia, and much of Kenya and Tanzania.
High Rainfall Accumulation (Dark Green to Light Green)
- Highest Rainfall (201–300 mm and 101–200 mm): These values are extremely high for a 10-day period. The dark green (201–300 mm) was observed in isolated pockets within the central region of Ethiopia.
- Significant Rainfall (51–100 mm and 26–50 mm): These categories cover vast areas, forming a wide, central-to-western band across the region, including:
- A few pockets in Eritrea, Djibouti and Somalia
- Most of southern Sudan and South Sudan.
- Large sections of Ethiopia (especially the western highlands).
- Western Kenya, Uganda, Rwanda, Burundi and a few pockets in Tanzania.
Moderate to Low Rainfall (Yellow and Orange)
- Low Rainfall (11–25 mm and 6–10 mm): These values typically ring the high-rainfall areas and transition into the driest zones. They are concentrated over:
- All countries in the GHA region.
Very Low or No Rain (Light Grey and White)
- Very Low Rainfall (1–5 mm): Forms a major transitional zone across northern Sudan, parts of Eritrea, Ethiopia, much of Somalia, central Kenya, and most parts of Tanzania.
- Negligible/No Rain (<1 mm or No Data): These dry conditions dominate the Sudan, parts of Eritrea, eastern half of Somalia, and several parts of Kenya and Tanzania.
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Recent rainfall anomalies
- Much wetter than usual conditions observed over isolated in White Nile and Aljazeera regions of Sudan and western Bahr El gazal part of South Sudan.
- Wetter than usual conditions observed over the southern part and …
Recent rainfall anomalies
- Much wetter than usual conditions was not observed in any part of the region.
- Wetter than usual conditions observed southeast part of Tanzania and a few patchy parts of central South Sudan.
- Usual rainfall conditions …
Recent rainfall totals
- Moderate to heavy rainfall (between 100 - 200 mm) was not recorded in the third dekad of May 2021.
- Moderate rainfall (between 50 - 100 mm) observed in southwest parts of South Sudan, southwestern part …
Standardized Precipitation Index
- Moderately wetter to severely wettest than usual conditions observed in isolated parts southeast Tanzania.
- Usual rainfall conditions observed over most parts of north and central Sudan, western central and southern South Sudan, Eritrea, Djibouti, south …
Standardized Precipitation Index
- Moderately wet to severely wetter than usual conditions observed in much of Ethiopia, Rwanda, southern Sudan, northern and central South Sudan, central and north-western Somalia; much of western, central and southern Kenya; eastern Uganda, western …
Recent rainfall totals
- Moderate to heavy rainfall between 100 - 200 mm observed in western parts and isolated areas of southern Ethiopia, in eastern and south-eastern Uganda; western, central and south-western Kenya; south-western Rwanda, south-eastern Somalia, and north-eastern …
Recent rainfall anomalies
- Much wetter than usual conditions observed over much of northern and eastern Ethiopia, Djibouti, southern Eritrea, north-western and central Somalia, eastern Uganda; western, central and southern Kenya; southern areas of Sudan, northern and south-eastern South …
Recent rainfall totals
- Moderate to heavy rainfall between 100 - 200 mm observed over Lake Victoria basin, isolated parts in central Kenya, highland of western Ethiopia, and southern Tanzania.
- Moderate rainfall between 50 - 100 mm observed in …
Standardized Precipitation Index
- Moderately wetter to severely wetter than usual conditions observed over Lake Victoria basin, Blue Nile State in Sudan, north-eastern South Sudan; central, north-western and north-eastern Ethiopia; northern Somalia, and northern and south-western Tanzania.
- Usual rainfall …
Recent rainfall anomalies
- Much wetter than usual conditions observed over Blue Nile state in Sudan, north-eastern South Sudan, central, north-western and north-eastern Ethiopia, northern Somalia, northern and south-western Tanzania, and isolated areas over highland of western Kenya.
- Wetter …
Recent rainfall anomalies
- Much wetter than usual conditions observed in isolated parts of highland of central and northern Ethiopia, north-eastern Burundi and Rwanda, and western and south-eastern Tanzania.
- Usual rainfall conditions observed over southern Uganda, south-western and north-western …
Recent rainfall totals
- Moderate rainfall between 50 - 100 mm observed in south-eastern and north-western Tanzania, most parts of Burundi, Rwanda, highland of south-western Ethiopia, lake Victoria basin sides of Kenya, and Uganda.
- Light rainfall between 25 - …
Standardized Precipitation Index
- Moderately wetter to severely wetter than usual conditions observed in isolated parts of central and northern Ethiopia, north-eastern Kenya , north-eastern Rwanda and Burundi, and western and south-eastern Tanzania.
- Usual rainfall conditions observed over most …
Standardized Precipitation Index
- Moderately wetter to severely wetter than usual conditions observed in the highland of western Kenya, eastern and north-eastern Kenya, isolated parts of northern Tanzania, and isolated areas in southern Somalia.
- Usual rainfall conditions observed over …
Recent rainfall anomalies
- Much wetter than usual conditions observed in isolated parts of northern Tanzania, western and north-eastern Uganda, highland parts of western Kenya, and costal parts of southern Somalia.
- Wetter than usual conditions observed in sporadic parts …