Windstorms are among the environmental disasters that Nigerians experience, particularly during periods of intense rainfall and thunderstorms. A strong wind may last only a few minutes, yet it can remove rooftops, uproot trees, damage electricity infrastructure and leave families suddenly without shelter.
For many Nigerians, this is not something that happens only in distant places. It has happened repeatedly in Ilorin and other parts of Kwara State.
Nigeria’s National Disaster Response Plan identifies thunderstorms and windstorms as hazards to which all states of the federation are vulnerable, although the severity of damage depends on the strength of the storm.
The important question, therefore, is not simply how to respond after a windstorm destroys property. It is how communities can reduce their vulnerability before the next storm arrives.
What Is a Windstorm?
A windstorm is a weather event involving unusually strong or damaging winds. It can occur with thunderstorms and heavy rainfall, although dangerous winds do not always require extremely heavy rain.
Strong winds can exert considerable force on structures, trees, billboards, roofing materials and electrical installations.
A building with a poorly secured roof may withstand ordinary weather but become vulnerable when powerful winds suddenly develop.
The same applies to trees.
A healthy tree with a strong root system may withstand strong winds, while a weak, diseased or poorly positioned tree may fall onto a road, vehicle or building.
This is why windstorm risk is partly about the weather and partly about how prepared the built environment is to withstand that weather.
Windstorms Are Different From Flooding
This distinction is important because both can happen during the same storm.
Flooding occurs when excess water accumulates on land or enters areas that are normally dry.
A windstorm, on the other hand, is primarily associated with damaging wind forces.
During a single rainfall event, a community might experience strong winds, flooding and lightning. They are separate hazards that can occur together.
For example, a storm could blow off a roof while rainfall simultaneously floods a nearby road.
Understanding these differences helps environmental professionals identify the appropriate preventive measures.
Ilorin Has Experienced Destructive Windstorms
Kwara State provides a strong local example.
In March 2025, a windstorm accompanied by heavy rainfall caused extensive damage in Ilorin and Ogele/Eyenkorin in Asa Local Government Area.
Reports indicated that approximately 200 houses were affected, with more than 20 buildings, including schools, shops and business premises, reportedly collapsing. Electricity poles and wires were also damaged, while debris blocked drainage around Kuntu Bridge in Ilorin West.
This incident demonstrates how one windstorm can create several environmental and public-safety problems at the same time.
A fallen tree can block a road.
A blown-off roof can expose a family to rain.
A fallen electricity pole can create an electrical hazard.
Debris can obstruct drainage.
Therefore, the consequences continue even after the wind has stopped.
An Earlier Ilorin Experience
The problem is not new.
In 2020, a severe rainfall accompanied by windstorm affected several parts of Ilorin. Reports indicated that rooftops of more than 300 buildings were blown off, while electricity poles and trees were also uprooted. Several areas, including Gambari, Akerebiata, Sobi Road, Okelele, Adeta and Agbo-Oba, were affected.
Another significant incident occurred in 2017, when a rainstorm damaged parts of the Kwara State House of Assembly complex and other properties across Ilorin. Areas including Irewolede, Asa Dam and Osin were reportedly affected, with rooftops and trees damaged by the storm.
These incidents show that windstorm preparedness is relevant to Ilorin rather than being an abstract environmental topic.
Why Do Windstorms Cause So Much Damage?
The strength of the wind is only part of the story.
Weak roofing structures
Roofing sheets that are poorly fixed can be lifted when wind pressure increases.
Once one section of a roof begins to separate, the wind can enter underneath it and make the damage worse.
Vulnerable trees
Trees can become dangerous when they are old, diseased, structurally weak or planted too close to buildings and electricity lines.
Poorly secured structures
Billboards, signposts, temporary structures and other installations can become dangerous objects during strong winds.
Poor construction
Buildings that are poorly constructed or inadequately maintained may be less capable of resisting severe weather.
Cracks, damaged roof connections and weakened structural components should not be ignored.
Trees: Protection or Hazard?
Trees are extremely valuable in urban environments.
They provide shade, contribute to biodiversity, reduce heat and improve the appearance of communities.
The answer to windstorm risk is therefore not to remove every tree.
Instead, trees should be properly managed.
Trees near roads, buildings and power lines should be inspected where possible. Weak branches can be removed before they become dangerous, while unhealthy or structurally unstable trees may require professional assessment.
Tree planting should also consider the mature size of the species and its appropriate location.
A tree planted directly beneath electricity infrastructure may create problems years later even if it appears harmless when young.
Good environmental management means considering the entire life of the tree.
Electricity Infrastructure Requires Special Attention
Strong winds can bring down electricity poles and cables.
This creates two problems.
First, communities may lose electricity.
Second, fallen electrical cables can become extremely dangerous.
Residents should never assume that a fallen cable is safe simply because there is no visible spark.
People should keep away and report the incident to the appropriate electricity or emergency authorities.
During the 2025 Kwara windstorm, electricity poles and wires were damaged, leaving affected areas without power.
This demonstrates why disaster preparedness must include cooperation between environmental authorities, emergency agencies and utility providers.
What Can Be Done Before a Windstorm?
Prevention begins with the condition of the built environment.
Homeowners should periodically inspect roofing materials and ensure that roof components are properly secured.
Buildings should be maintained rather than waiting until severe weather exposes existing weaknesses.
Property owners should also avoid placing loose materials where they can become airborne during strong winds.
Schools, markets and other public facilities deserve particular attention because large numbers of people may be present when a storm occurs.
Signposts, billboards and temporary structures should be appropriately designed, installed and maintained.
Trees around public spaces should also be monitored.
Early Warning Matters
Weather forecasting provides an important opportunity for preparation.
If authorities receive information about potentially severe weather, warnings should reach the public through channels people actually use.
The message should be practical.
Instead of simply telling residents that a storm is expected, authorities can advise people to remain indoors where appropriate, secure loose objects, avoid unnecessary travel and stay away from trees, unstable structures and electrical infrastructure during severe weather.
Nigeria already has institutions responsible for weather monitoring and emergency management.
The challenge is ensuring that information reaches communities early enough and is understood.
What Should Residents Do During a Windstorm?
When strong winds begin, people should prioritize safety rather than trying to observe the storm from outside.
Where possible:
- Stay inside a strong, properly maintained building.
- Keep away from windows and doors where wind-driven debris could cause injury.
- Do not stand beneath trees during severe winds.
- Stay away from damaged buildings.
- Avoid touching fallen electrical cables.
- Do not shelter near unstable signposts or walls.
- Follow official emergency instructions.
Drivers should also exercise caution because fallen trees, roofing materials, poles and other debris can suddenly obstruct roads.
What Happens After the Storm?
The danger does not necessarily end when the wind becomes calm.
Damaged roofs can collapse later.
Electricity cables may remain live.
Trees weakened by the storm may fall hours later.
Roads may also be blocked by debris.
A post-storm inspection is therefore important.
In 2025, NEMA and state emergency officials conducted assessments after windstorm damage in several Nigerian states. In Ebonyi, for example, a joint assessment identified destroyed homes and damaged infrastructure after a May 2025 windstorm, while one person died when a roof collapsed.
Such assessments help authorities understand the scale of damage and determine what assistance affected communities require.
An Environmental Health Perspective
Windstorms demonstrate how environmental conditions, infrastructure and human health are connected.
The immediate danger may be falling roofing sheets or trees, but the consequences can continue through displacement, interruption of electricity and water services, blocked roads and damaged health facilities.
For environmental health professionals, this means disaster preparedness should not focus only on the weather event itself.
It should consider people, buildings, infrastructure, sanitation, communication and emergency response as one connected system.
My Environmental Health Science training has reinforced the importance of prevention. The late Professor Henry Sawyer was one of the lecturers who contributed to my academic foundation, and the broader lesson from environmental health is that reducing exposure before a hazard occurs is often better than dealing with its consequences afterward.
Building a More Wind-Resilient Ilorin
Ilorin cannot prevent strong winds from occurring.
It can, however, reduce the damage they cause.
That means enforcing appropriate building standards, maintaining public infrastructure, managing trees responsibly, securing roofs and structures, improving weather-warning communication and ensuring that emergency agencies can respond quickly.
Residents also have a role.
A loose roofing sheet, damaged tree branch or unstable signpost may look like a minor problem on an ordinary day.
During a severe storm, it can become a serious hazard.
Conclusion
Windstorms are a real environmental disaster risk in Nigeria, and Kwara State has experienced their destructive effects repeatedly.
The 2025 windstorm affecting Ilorin and surrounding communities demonstrated how strong winds can damage homes, schools, electricity infrastructure and public facilities.
The solution is not simply to provide relief after the damage.
Nigeria needs to strengthen preparedness before the storm through better construction, infrastructure maintenance, responsible tree management, weather warnings and community education.
For Ilorin, the lesson is particularly practical:
A storm may be impossible to stop, but much of the damage it causes can be reduced when buildings, infrastructure and communities are prepared for it.
References
- National Emergency Management Agency (NEMA). National Disaster Response Plan.
- National Emergency Management Agency (NEMA). (2025). NEMA Assesses Windstorm Disaster Impact Across Communities in Ebonyi State.
- National Emergency Management Agency (NEMA). (2025). Assessment of Rain/Windstorm Disaster in Akure North, Idanre, and Ose LGAs of Ondo State.
- Oyekola, T. (2025). Rainstorm ruins 200 houses, schools, others in Kwara. Punch.
- Nigerian Tribune. (2017). House of Assembly complex, others destroyed in Kwara rainstorm.
- Punch. (2020). Kwara windstorm: One dead, seven worshippers escape death.
