15 - 22 Sep 2021

Rainfall

Temperature

Heavy rainfall

Headline: Heavy to very heavy rainfall is expected in areas of western and eastern Oromia including southern Benishangul Gumuz in Ethiopia; Elegeyo Marakwet, Baringo, Uasin Gishu, Nakuru, and Narok counties in western Kenya; northern district of Uganda including Gulu, Lamwo, Amuru; and parts of Upper Nile state in South Sudan. 

Authorities and the public in these areas are advised to take appropriate measures to protect lives and livelihoods. 

  • Heavy to very heavy rainfall (top 10-5% on record) is expected in eastern regions of Oromia in Ethiopia, parts of western Kenya, northern Uganda, and eastern South Sudan. Total rainfall above 100 mm is expected in these regions.
  • Moderate rainfall between 50 - 100 mm is expected in southern Sudan, South Sudan, Uganda, parts of central and western Kenya, north-eastern Somalia, and parts of western and southern Ethiopia.
  • Light rainfall of less than 30 mm is expected over southern Sudan, western Eritrea, northern and southern Ethiopia, much of Somalia, Rwanda, Burundi, the Lake Victoria Basin regions of Uganda, Tanzania, and coastal Kenya and Tanzania.
  • Dry conditions are expected in central and northern Sudan, the Afar region of Ethiopia, coastal Eritrea, eastern and northern Kenya, and central and southern Tanzania.
Temperature forecast
  • Warm temperatures above 32℃ are expected in central and northern Sudan, coastal Eritrea, Djibouti, Afar region in Ethiopia, northern coastal regions of Somalia, and isolated regions in north-western Kenya.
  • Moderate temperatures between 20 - 32 ℃ are expected in southern Sudan, South Sudan, Uganda, Rwanda, Burundi, much of Tanzania, eastern and northern Kenya, Somalia, and southern and western Ethiopia.
  • Relatively cold conditions with temperatures less than 20℃ are expected in central Ethiopia, parts of central to western Kenya, and a few regions in southern and northern Tanzania.
Rainfall forecast (Total mm)

Headline: Heavy to very heavy rainfall is expected in areas of western and eastern Oromia including southern Benishangul Gumuz in Ethiopia; Elegeyo Marakwet, Baringo, Uasin Gishu, Nakuru, and Narok counties in western Kenya; northern district of Uganda including Gulu, Lamwo, Amuru; and parts of Upper Nile state in South Sudan. 

Authorities and the public in these areas are advised to take appropriate measures to protect lives and livelihoods. 

  • Heavy to very heavy rainfall (top 10-5% on record) is expected in eastern regions of Oromia in Ethiopia, parts of western Kenya, northern Uganda, and eastern South Sudan. Total rainfall above 100 mm is expected in these regions.
  • Moderate rainfall between 50 - 100 mm is expected in southern Sudan, South Sudan, Uganda, parts of central and western Kenya, north-eastern Somalia, and parts of western and southern Ethiopia.
  • Light rainfall of less than 30 mm is expected over southern Sudan, western Eritrea, northern and southern Ethiopia, much of Somalia, Rwanda, Burundi, the Lake Victoria Basin regions of Uganda, Tanzania, and coastal Kenya and Tanzania.
  • Dry conditions are expected in central and northern Sudan, the Afar region of Ethiopia, coastal Eritrea, eastern and northern Kenya, and central and southern Tanzania.