[REVISION HISTORY]

Flooding in West Africa

Updated 3 times since CLSTR started tracking revisions of this situation.

What changed

2026-09-21 03:12 UTC → 2026-09-23 14:05 UTC · added ~~removed~~

Heavy rainfall has caused significant flooding across West African regions, including Sierra Leone and Guinea. In Makeni, Sierra Leone, flash flooding on September 1, 2026, submerged major roads and thoroughfares, causing economic damage to local businesses and traders. Observers attributed the severity of the impact to inadequate or blocked drainage systems, while experts linked the extreme weather patterns to climate change and urban growth. In Guinea, intense localized precipitation has led to severe flooding in Conakry, Coyah, and Manéah. In the Grand Conakry region and Coyah prefecture, the overflowing Sarinka River submerged neighborhoods such as Laminayah, Sambayah, Tougandé, and Fily 1. The flood pressure caused a bridge in Sambayah to collapse and damaged the Fily-Tougandé bridge, disrupting strategic transport routes. Many families have been forced to evacuate, with the Maison des Jeunes in Coyah serving as a temporary shelter. In Manéah, specifically the Bananérais sector, water levels reached up to three meters, destroying or submerging multiple homes. The National Agency for the Management of Emergencies and Humanitarian Catastrophes (ANGUCH) has deployed teams to provide aid to hundreds of affected ~~individuals, including women, children, and people with disabilities.~~ individuals. Between September 18 and ~~19,~~ 23, 2026, the situation in Guinea ~~escalated, resulting in at least one death, several injuries, and significant property damage.~~ expanded to include more regions. In Conakry, heavy rains caused major drainage failures and significant traffic congestion in areas like Sonfonia-Lac and Kagbelen. ~~Emergency services, including~~ In Kissidougou, torrential rains injured two people and damaged more than 20 homes in the ~~Red Cross, have been deployed to assist trapped residents.~~ Farakoh and Missira neighborhoods, while floodwaters washed away a bridge in the Songbô area. In Dinguiraye, heavy rains submerged a critical bridge, isolating the sub-prefectures of Lansanaya and Gagnakaly from the urban center. Meteorological services have maintained a high ~~alert~~ alerts for the Basse-Guinée region, warning of ongoing risks of flooding and landslides.

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