Observed rainfall conditions for August to October (ASO) 2021

Rainfall

Recent rainfall totals
  • Heavy rainfall exceeding 1000 mm was not recorded in the region.
  • Moderate rainfall between 500 - 1000 mm was observed over western part of Ethiopia, western South Sudan, and isolated parts of western Kenya.
  • Light rainfall between 200 - 500 mm was observed in southern parts of Sudan, over much of South Sudan, central parts of Ethiopia, over much of Uganda, in western Rwanda, north-western Burundi, and in western and central Kenya.
  • Rainfall between 10 - 200 mm was observed over central parts of Sudan, much of Eritrea, Djibouti, southern and eastern Ethiopia, Somalia, north and eastern parts of Kenya, eastern Rwanda, most of Burundi, and much of Tanzania.
  • Dry conditions (usual during this time of the year) were observed in northern parts of Sudan, north-eastern and central parts of Somalia, northern Kenya, and central and south-western Tanzania.
Recent rainfall anomalies
  • Wetter than usual conditions were observed in a few isolated places in western Kenya, eastern Sudan, several parts of Djibouti, eastern Ethiopia, and in northern Somalia.
  • Usual rainfall conditions were observed in over much of Sudan, Eritrea, South Sudan, Uganda, western and central Kenya, Rwanda, Burundi, and north and western Tanzania.
  • Moderately drier than usual conditions were observed in southern parts of Ethiopia, over much of Somalia, in northern and eastern Kenya, and in eastern and central parts of Tanzania.
Standardized Precipitation Index
  • Moderate to severely wetter than usual rainfall conditions were observed in western parts of Sudan, north eastern Ethiopia, much of Djibouti, western Kenya, and western Burundi.
  • Usual rainfall conditions were observed in much of the rest of Sudan, Eritrea, South Sudan, western and central Ethiopia, northern Somalia, east and central Uganda, central parts of Kenya, central Rwanda, eastern Burundi; and north, west and central Tanzania.
  • Moderately drier than usual to severely dry conditions were observed in southern parts of Sudan, western South Sudan, southern Ethiopia, over much of Somalia, several parts of Kenya, in western and eastern Rwanda, and over several parts of eastern Tanzania.

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Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall between 500 - 1000 mm was observed over southwestern Ethiopia, in western, central and coastal parts of Kenya, in southeastern Uganda, in western Rwanda, over much of Burundi, and in northwestern, …

MAM - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall exceeding 100mm was observed in a few areas in western Ethiopia and northwestern South Sudan.

Moderate rainfall between 500 - 1000 mm was observed in the southern parts of Sudan, in western and …

JJAS - 2022 Read More
Recent rainfall totals
Recent rainfall totals

Moderate rainfall between 500 - 1000 mm was observed over a few areas in southwest Ethiopia, in western and eastern regions of Lake Victoria, and in southern parts of Tanzania.

Light rainfall between 200 - …

MAM - 2022 Read More
Recent rainfall totals
Recent rainfall totals
  • Heavy rainfall exceeding 1000 mm was observed over isolated areas in western Ethiopia.
  • Moderate rainfall between 500 - 1000 mm was observed southern parts of Sudan, much of South Sudan, western Ethiopia, in isolated parts …
JJAS - 2021 Read More
Recent rainfall totals
Recent rainfall totals

  • Very Heavy seasonal rainfall (above 1000 mm) observed in sporadic parts of highlands of central and northern Ethiopia and isolated areas over highlands of western Kenya.
  • Heavy rainfall (between 500 - 1000 mm) observed …
JJAS - 2020 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall greater than 500mm was western Ethiopia, parts of southwestern Sudan, in western parts of South Sudan, and in a few areas in western Kenya.

Moderate rainfall between 100 - 500 mm …

JJA - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall (500 - 1000 mm) was observed in south-western and south-eastern parts of Sudan, western South Sudan, north-western and western parts of Ethiopia, and parts of the western highlands of Kenya. …

JJA - 2022 Read More
Recent rainfall totals
Recent rainfall totals
  • Very Heavy rainfall (above 1000 mm) observed in isolated area in highlands of central Ethiopia.
  • Heavy rainfall (between 500-1000 mm) observed over most parts of western, south-western and eastern South Sudan; most parts of …
JJA - 2020 Read More
Recent rainfall totals
Recent rainfall totals

High rainfall amounts exceeding 1000mm was observed in the southern parts of Tanzania.

Rainfall amounts of between 500-1000mm were observed in western, central, eastern and southern parts of Tanzania, and in parts of western Kenya. …

JFM - 2024 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall between 500 - 1000 mm was observed western Ethiopia, in western South Sudan, in southeastern Uganda, in parts of western, central and coastal Kenya, and in parts of coastal and southern Tanzania.

Moderate …

AMJ - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall (500 - 1000 mm) observed over Burundi, south-western Ethiopia, several areas around Lake Victoria, and in north-western, southern, and coastal parts of Tanzania.

Moderate rainfall (200 - 500 mm) observed …

FMA - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate rainfall (500 - 1000 mm) observed over western Ethiopia, western Kenya, and in the western region of Lake Victoria.

Light rainfall (200 - 500 mm) observed over several parts of South Sudan, north-western, …

AMJ - 2022 Read More
Recent rainfall totals
Recent rainfall totals

Very heavy exceeding 100 mm observed in south-western part of Tanzania.

Heavy rainfall between 500 - 1000 mm observed over much western, central and southern Tanzania and also in western Kenya.

Moderate rainfall between 200 …

JFM - 2022 Read More
Recent rainfall totals
Recent rainfall totals
  • Moderate rainfall (between 500 - 1000 mm) observed over most of Burundi, and most of north-western, western, central, and southern parts of Tanzania.
  • Light rainfall between (200 - 500 mm) observed in most of …
JFM - (2021 - 2022) Read More