21-31, May 2021

Rainfall

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 of Ethiopia in isolated part of northwest Uganda, and in central coast of Tanzania.
  • Light rainfall (between 25 - 50 mm) observed in western and central parts of South Sudan, western parts of Ethiopia, northern Uganda, western and central highlands of Kenya, and in coastal parts of Tanzania.
  • Rainfall range (between 5 - 25 mm) observed over southern parts of Sudan, northern and eastern South Sudan, northwest, central, and southern Ethiopia, southeastern Somalia and isolated parts of northwest Somalia, southern Uganda, coastal and several parts of central and western Kenya, Burundi, western and southern Rwanda, and in northern and eastern parts of Tanzania.
  • Usual dry (usually dry in this time of season) observed in almost all of Sudan, Djibouti, most parts of Eritrea, northeast and eastern parts of Ethiopia, several parts of north and eastern Kenya, southwest Uganda, northeast Rwanda, over much of central and northern Somalia, and over much of western and central Tanzania.
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 observed over southwest and central South Sudan, northwestern Uganda, isolated parts of southwest Kenya, and northcentral central and southeast Tanzania.
  • Moderately drier than usual conditions observed in western Eritrea, southern parts of Sudan, most parts of Ethiopia and Somalia, northern and eastern South Sudan, much of southern, central and eastern Uganda, much of Kenya and Burundi, western and southern Rwanda, and in northeast and northwest Tanzania.
  • Much drier than usual conditions observed over northwest, and in isolated parts of eastern Ethiopia, isolated parts of northwest and central Somalia, southwest and southeast Uganda, and northeast Rwanda.
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 and northeast Ethiopia, northern Uganda, north, central, east and southern Kenya, central and southwestern Somalia, central and southern Burundi, and north central and southern parts of Tanzania.
  • Moderately drier to severely driest than usual conditions observed over southern parts of Sudan, northern South Sudan, western, central and eastern Ethiopia, northern and southeast Somali, southern and central Uganda, western and coastal Parts of Kenya, Rwanda, northern Burundi, western and northeastern Tanzania.

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Showing 146 results
Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet to severely wet conditions were observed in southeastern parts of South Sudan, in the southern, eastern and central parts of Ethiopia extending to the northern, central and southern parts of Somalia, in several …

11 - 20 May 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in Eritrea, in parts of Djibouti, in northeastern, central to south-central Ethiopia, in southeastern South Sudan, in northern parts of Somalia in northeastern and western Uganda, in …

1 - 10 May 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet to extremely wet conditions were observed southern parts of Ethiopia, in eastern South Sudan, in southwestern and eastern parts of Uganda, in western, eastern and coastal Kenya, in southern and central parts of …

21 - 31 March 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet to severely extremely conditions were observed southern parts of Ethiopia, in southeastern South Sudan, in several parts of Uganda, Kenya and Tanzania, and in southern Burundi.

Moderately dry to severely dry conditions were …

11 - 20 March 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in western, central to southern parts of South Sudan, in several parts of Uganda, Rwanda, Burundi, and Tanzania.

Moderately wet to severely wet conditions were observed in …

1 - 10 March 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to extremely dry conditions were observed much of Rwanda, Burundi, and Tanzania, in southwestern parts of Ethiopia, in western and southern parts of Kenya, in southern Uganda, and in southern parts of South …

21 - 28 February 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to extremely dry conditions were observed in several parts of Tanzania and Uganda, in western and southwestern parts of Kenya, and in parts of southwestern South Sudan.

Moderately wet to severely wet conditions …

11 - 20 February 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in western and southwestern Uganda, in western and central parts of Kenya, in northwestern Rwanda, southwestern Burundi, in northern, central, coastal and southeastern parts of Tanzania.

Moderately …

11 - 20 February 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet to severely wet conditions were observed in much of Burundi, in southern parts of Rwanda, in several parts of western Tanzania.

Moderately dry conditions were observed in the southern parts of South Sudan, …

1 - 10 February 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet conditions were observed in western central and southern Kenya, in several parts of Rwanda and Burundi, and in northeastern, northwestern, central and southwestern Tanzania.

Moderately dry to severely dry conditions were observed in …

21 - 31 January 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in western, central and southeastern Uganda, in southeastern South Sudan, in several parts of Burundi, in northwestern, western and southern Tanzania, in parts of northwestern and southeastern …

11 - 20 January 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in southern Uganda, western Kenya, in Rwanda, in northern Burundi, and in north-central to central and southeastern Tanzania.

Moderately wet to extremely wet conditions were observed in …

1 - 10 January 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet to extremely wet conditions were observed in western Ethiopia, in eastern South Sudan, in central and southeastern Kenya, in southern Somalia, in southwestern Uganda, in several parts of Rwanda and Burundi, and in …

11 - 20 December 2024 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in the southern parts of South Sudan, in southwestern Ethiopia, in several parts of Rwanda, Burundi, Uganda and Kenya, and in parts of northwestern Tanzania.

Moderately wet …

1 - 10 December 2024 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in several parts of Uganda, in parts of northwestern, eastern and southern South Sudan, in southwestern, southern and eastern Ethiopia, in central, and parts of southern Somalia, …

1 - 10 November 2024 Read More