NiMet warns of flash floods across 13 states in August

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The Nigerian Meteorological Agency has warned of possible flash floods in 13 states between August 11 and 20, 2026.

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NiMet issued the warning in an advisory posted on its X handle on Tuesday, listing 13 northern states.

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The agency said the outlook was based on factors including forecast rainfall intensity, prevailing soil moisture conditions, drainage capacity, terrain and dam characteristics.

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“It serves as an early warning and decision-support tool for proactive preparedness, emergency response planning, and disaster risk-reduction measures.

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“States with High Flash Flood Risk: Sokoto, Zamfara, Kebbi, Niger, Kaduna, Nasarawa, Adamawa, Plateau, Benue, Kogi, Taraba, Cross River, Akwa Ibom,” the advisory read.

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NiMet warned that the affected areas could experience localised flash flooding, particularly in flood-prone, low-lying, urban and riverside communities.

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It said possible impacts included traffic congestion, road closures and transport disruptions, as well as temporary interruptions to electricity and telecommunications services.

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The agency also warned that heavy rainfall could reduce visibility and affect motorists and aviation operations, while waterlogging could damage farmlands, crops and livestock.

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According to NiMet, flash flooding could also damage roads, bridges, drainage systems and other critical infrastructure, while stagnant floodwaters could increase the risk of waterborne diseases.

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The agency advised residents to follow weather forecasts and flood advisories issued by NiMet and relevant emergency management agencies.

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It urged the public to avoid walking or driving through flooded roads, bridges or fast-flowing water, and advised residents in vulnerable areas to remain alert and prepare to move to safer locations where necessary.

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NiMet also advised emergency management agencies to strengthen surveillance, pre-position response teams and maintain emergency preparedness.

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It urged farmers to improve farm drainage and move livestock, machinery and harvested produce away from flood-prone areas.

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The agency called on authorities to prioritise vulnerable communities for impact-based monitoring, public sensitisation and rapid dissemination of warnings.

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“Preparedness should be maintained even in areas with lower flood probability, as flash flooding can develop rapidly during intense rainfall,” NiMet said.

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