The Nigerian Meteorological Agency (NiMet) has issued a flash flood alert for 27 states, warning that heavy rainfall expected during the first dekad of July, from July 1 to July 10, could lead to widespread flooding in several parts of the country.
According to NiMet, the warning comes as Nigeria enters the peak of the rainy season, with soils already saturated after persistent rainfall throughout June.
The agency explained that the excessive moisture in the ground has significantly reduced its ability to absorb additional rainfall, increasing the likelihood of flash floods, especially in low-lying and poorly drained areas.
In its latest advisory, the agency stated, “Following widespread rainfall recorded across many parts of Nigeria in June, soils have become heavily saturated, reducing their ability to absorb additional rainfall.”
It further noted, “As July marks the beginning of the peak rainy season, the risk of flash flooding is expected to increase, particularly in low-lying, urban, coastal, and poorly drained areas.”
The states identified as being at risk include Taraba, Sokoto, Borno, Zamfara, Kebbi, Katsina, Kaduna, Nasarawa, Plateau, Adamawa, Kwara, Kogi, Oyo, Ogun, Lagos, Osun, Ekiti, Delta, Edo, Abia, Imo, Anambra, Enugu, Akwa Ibom, Cross River, Rivers and Bayelsa.
Heavy Rainfall Could Disrupt Daily Activities
NiMet warned that the expected rainfall could have significant consequences for transportation, agriculture, public infrastructure and essential services across the affected states.
The agency said heavy downpours may trigger localized flooding capable of causing traffic congestion, road closures and disruptions to movement.
It added that temporary interruptions to electricity supply and telecommunications services may also occur in flood-affected communities. Motorists and aviation operators were equally advised to exercise caution as intense rainfall could reduce visibility.
Beyond transport challenges, the weather agency warned that waterlogged farmlands could lead to crop losses, while roads, bridges, drainage systems and other public infrastructure may suffer damage if flooding becomes severe.
Public health officials were also urged to remain alert due to the increased possibility of waterborne diseases resulting from stagnant floodwaters and poor sanitation.
Residents and Emergency Agencies Urged to Act Early
To reduce the impact of possible flooding, NiMet encouraged Nigerians to monitor official weather updates and flash flood advisories throughout the period.
The agency advised residents to keep drains, gutters and waterways free of refuse to allow water to flow freely. It also recommended securing loose outdoor items, reinforcing vulnerable structures and avoiding walking or driving through floodwaters.
Calling for stronger emergency preparedness, NiMet urged State Emergency Management Agencies (SEMAs), the National Emergency Management Agency (NEMA), community leaders and other relevant stakeholders to intensify response plans before the heavy rainfall peaks.
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According to the agency, “SEMAs, NEMA, community leaders, and relevant stakeholders should strengthen preparedness and response measures.”
It stressed that early planning remains the most effective way to reduce the effects of flash flooding, adding, “Early preparedness and timely action remain essential in reducing the impacts of flash flooding.”
Reaffirming the importance of public awareness, NiMet concluded its advisory with a call for collective responsibility, stating, “An informed community is a prepared community. Know the risks and Act Early.”
