Total rainfall 

• Heavy rainfall (greater than 200mm) is expected over isolated parts in north-western Ethiopia, western South Sudan, and southern and south-western Sudan.
• Moderate rainfall (50-200mm) is expected over southern Sudan, much of South Sudan, western Eritrea, western and northern Ethiopia, northern Uganda, and isolated areas in western Kenya.
• Light rainfall (less than 50 mm) is expected over central to northern Sudan, eastern South Sudan, parts of central to eastern Ethiopia, parts of coastal Eritrea, southern Somalia, Djibouti, eastern and southern Tanzania, coastal and western Kenya, and central to south-western Uganda.
• Dry conditions are expected over central to northern Somalia, southern and eastern Ethiopia, much of Kenya, Burundi, Rwanda, and most parts of Tanzania.

Note: 1 mm of rainfall is equivalent to 1 liter of water per square meter.  

Rainfall Anomalies 

• Wetter than usual conditions are expected over western to northern parts of Ethiopia, western Eritrea, much of southern Sudan, north-western Uganda, south-western, and a few areas in northern South Sudan.
• Drier than usual conditions are expected over isolated areas in southern Sudan, eastern South Sudan, central Ethiopia, and eastern Uganda extending to parts of western Kenya.

Exceptional rainfall

• Extremely heavy rainfall is expected in isolated areas of north-western Ethiopia.
• Heavy to very heavy rainfall is expected in much of western and northern Ethiopia, western Eritrea, much of southern Sudan, and central to western South Sudan.

Temperature 08 – 15 August 2023

Mean Temperature

• Hot temperatures (above 32 ℃) are expected over central to northern Sudan, the Afar region in Ethiopia, Djibouti, coastal regions of Eritrea, and north-western coastal parts of Somalia.
• Moderate to high temperatures (20-32℃) are expected over South Sudan, central to southern Sudan, eastern and northern Kenya, north-western and eastern Tanzania, Somalia, south-eastern Ethiopia, and much of Uganda.
• Mild temperature conditions (less than 20℃) are expected over central Ethiopia, isolated areas in southern Uganda, Rwanda, Burundi, parts of southern, western, central to northern Tanzania, and central to south-western Kenya.

Temperature anomalies

• Warmer than usual temperatures are predicted over most parts of the Greater Horn of Africa (GHA).
• Cooler than usual temperatures are expected in isolated areas in northern Somalia, central Ethiopia, and central Kenya.

NB

Heavy to very heavy rainfall is expected in northwestern to northern Ethiopia, western Eritrea, much of southern Sudan, and central parts of South Sudan. Rainfall amounts and are flooding likely to occur in flood-prone areas.

On the other hand, high temperatures are expected in parts of Sudan, Eritrea, and the Afar region in Ethiopia, potentially leading to heat-related fatigue. It is advisable for the public to keep hydrated and avoid long periods of direct exposure to the sun.