11-20 October, 2025
Rainfall
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. Rainfall amounts between 101 and 300 mm was observed in western southern and southeastern region of Ethiopia, central Somalia, western and northeastern South Sudan, much of Uganda, western parts of Kenya, and northwestern Tanzania.
- Significant Rainfall (51–100 mm and 26–50 mm): These categories cover vast areas, forming a wide, central-to-western band and northeastern across the region, including:
- A few pockets in Somalia
- Most of southern western and eastern South Sudan.
- Large sections of Ethiopia (especially the western and southern parts).
- Western Kenya, Uganda, Rwanda, 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 except Djibouti.
Very Low or No Rain (Light Grey and White)
- Very Low Rainfall (1–5 mm): Forms a major transitional zone across central Sudan, parts of Eritrea, Ethiopia, Somalia, much of eastern Kenya, and most parts of Tanzania.
- Negligible/No Rain (<1 mm or No Data): These dry conditions dominate northern Sudan, northern parts of Ethiopia, and northwestern parts of Kenya and Tanzania.
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, Ethiopia, central Somalia and the equatorial region including parts of Uganda, and western Kenya.
- 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 western and northern parts of the region including Uganda, South Sudan, Ethiopia, Somalia, Eritrea, Kenya and Sudan.
Drier Than Normal Conditions (Yellow and Orange)
- Drier than Normal (Yellow) and Much Drier than Normal (Orange): These conditions dominate the northern and southern parts of the region.
- Significant drier areas cover most of central Sudan, northwestern Eritrea, northern Ethiopia, southern Somalia, eastern Kenya, much of Tanzania, and in Burundi.
- The orange ('Much drier than normal') is evident across most of the countries highlighted.
No Rain (White)
- No Rain: Indicated in the very northern and the dry parts of the region, particularly in northern parts of Sudan, northern Ethiopia, and northwestern Kenya as well as central and southern Tanzania.
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Recent rainfall totals
- Heavy to moderate rainfall between 100 - 200 mm observed over highlands of western Kenya, and isolated parts in southern and western Tanzania.
- Heavy to moderate rainfall between 50 -100 mm observed in western and …
Recent rainfall anomalies
- Much wetter than usual conditions observed in south-western parts of Ethiopia, central Somalia, and highlands of western Kenya.
- Wetter than usual conditions observed over central and northern Uganda, and south-western Tanzania.
- Normal rainfall conditions observed …
Standardized Precipitation Index
- Moderately to severely wetter than normal conditions observed in western Tanzania, central and northern Uganda, highlands of western Kenya, south-eastern Ethiopia, and central Somalia.
- Normal rainfall conditions observed in southern parts of South Sudan and …
Recent rainfall anomalies
- Wetter than usual conditions observed in western parts of South Sudan, in isolated parts of central Tanzania and over south-western Tanzania, and in a few isolated parts of north-west Ethiopia.
- Normal rainfall conditions observed in …
Standardized Precipitation Index
- Moderately to severely wetter than usual conditions observed in western South Sudan, isolated parts of north-west Ethiopia, and in south-western parts of Tanzania and isolated parts of central Tanzania.
- Normal rainfall conditions observed over several …
Recent rainfall totals
- Heavy to moderate rainfall between 50 - 200 mm observed in south-western parts of Tanzania and in isolated parts of central Tanzania.
- Light rainfall between 25 - 50 mm observed in isolated parts of the …
Recent rainfall totals
- Heavy rainfall (between 101 - 200 mm) observed in southern Tanzania.
- Heavy to moderate rainfall (between 51 - 100 mm) observed in western Burundi, and south-western and southern Tanzania.
- Light rainfall between (26 - 50 …
Recent rainfall anomalies
- Much Wetter than normal conditions observed over south-western South Sudan, and isolated parts of Ethiopia.
- Wetter than normal conditions observed over isolated parts of Tanzania.
- Normal rainfall conditions observed in most of Rwanda, northern Burundi, …
Standardized Precipitation Index
- Moderately to severely wetter than normal conditions observed in south-western parts of South Sudan, and isolated parts in western Ethiopia.
- Normal rainfall conditions observed in southern parts of Eritrea, Djibouti, south-eastern and north-western Ethiopia, central …
Standardized Precipitation Index
- Moderately to severely wetter than normal conditions observed in most of Tanzania, eastern Rwanda, north-eastern Burundi, central and south-eastern Uganda, western and southern Kenya, and in south-western Ethiopia.
- Normal rainfall conditions observed in several parts …
Recent rainfall anomalies
- Wetter than normal conditions observed over most of Tanzania, central and eastern Rwanda, eastern Burundi, most of southern Kenya, south-eastern Uganda, and south-western Ethiopia.
- Normal rainfall conditions observed in most of western Uganda, western Burundi, …
Recent rainfall totals
- Heavy to moderate rainfall (between 50 - 100 mm) observed in western parts of Kenya, eastern Burundi, and in central, south-western, and southern Tanzania.
- Light rainfall between (25 - 50 mm) observed in south-western Ethiopia, …
Standardized Precipitation Index
- Moderate to severely wetter than normal conditions were not observed in Rwanda, central and southern parts of Uganda, western Kenya, northern Burundi; and north-west, north, central and southern parts of Tanzania.
- Normal rainfall conditions were …
Recent rainfall anomalies
- Wetter than normal to much wetter than normal conditions were observed in central and southern Uganda, western Kenya, much of Rwanda, northern and central Burundi; and in much of north, central, eastern and southern Tanzania. …
Recent rainfall totals
- Heavy to very heavy rainfall between 100 - 300mm was observed in the southern parts of Tanzania.
- Heavy to moderate rainfall between 50 - 100 mm was observed in north-western Rwanda, south-western parts of Kenya; …