[5] Continuous rainfall began toward the end of August in Bama, Damboa and Gwoza local government areas, and the Nigeria Meteorological Agency predicted that it could lead to flooding.
As the water level in the Alau Dam reservoir began to rise, officials were alerted by concerned locals and an inspection team arrived.
[6] On 10 September, the Alau Dam started to fracture and eventually burst its banks, triggering flash floods that inundated, submerged and devastated low-lying communities in the state.
[7][8] Governor Babagana Zulum opened up the Bakassi internally displaced persons (IDP) camp and others in highland areas for citizen safety.
[9][10] Vice President Kashim Shettima visited the state to see the level of damage and assured residents of the federal government intervention to help them cope with the issue.
[14] The flooding displaced over 70% of the residents in Borno state and over 70% of Maiduguri town was affected, according to National Emergency Management Agency (NEMA).