Ocean heat content is particularly important. A shallow layer of warm surface water can cool relatively quickly when a powerful hurricane passes over it, because the storm mixes cooler water upward. When warm water extends deeper beneath the surface, the storm can continue drawing energy from the ocean even as it churns the sea.
As Melissa strengthened, its circulation became increasingly organised. The spiral rainbands wrapped around the centre, while a distinct eye developed. The eyewall surrounding that eye contained some of the storm's most intense winds and thunderstorms.
The Saffir-Simpson Hurricane Wind Scale classifies hurricanes from Category 1 to Category 5 according to their maximum sustained wind speeds. Category 5 is the highest classification. It applies when sustained winds reach at least 157 miles per hour (252 kilometres per hour).
Melissa's estimated peak sustained winds of approximately 185 miles per hour were far above that threshold. Such winds can cause catastrophic damage to buildings, infrastructure, vegetation, and electrical networks. Even structures built to withstand ordinary severe weather may suffer extensive destruction under these conditions.
Yet wind speed is only one part of the danger. A hurricane's impact also depends on its size, forward speed, rainfall, coastal geography, and the number of people living in exposed areas.
A slower-moving storm can remain over the same region for longer, bringing prolonged rainfall and increasing the risk of flooding. Heavy rain can overwhelm drainage systems, cause rivers to rise, trigger landslides, and isolate communities. In mountainous areas, water flowing down steep slopes can become especially destructive.
Storm surge is another major threat. Powerful winds push seawater toward the coast, causing water levels to rise above normal tides. When surge coincides with high tide or large waves, coastal flooding can become devastating. Low-lying communities are particularly vulnerable.
Melissa demonstrated how these hazards can combine. It was not simply a storm with exceptionally strong winds. Its slow movement and heavy rainfall contributed to widespread flooding and damage across parts of the Greater Antilles.
The Category 5 label is therefore an important warning, but it cannot describe every aspect of a hurricane. A weaker storm can still cause severe flooding or dangerous coastal conditions, while a powerful hurricane can affect places far beyond the area experiencing its strongest winds.
For this reason, meteorologists monitor more than the storm's category. They analyse forecast tracks, rainfall estimates, storm surge projections, wind probabilities, and local conditions to help authorities decide when warnings and evacuations are necessary.
Melissa's rapid intensification also demonstrated why people in hurricane-prone regions should prepare before a storm reaches its strongest stage. Waiting until a hurricane is visibly approaching can leave too little time to move safely, protect property, or obtain essential supplies.
Chapter 3: Jamaica and the Caribbean Face a Devastating Landfall
The most severe consequences of Hurricane Melissa were felt in the Caribbean, especially in Jamaica. The island was directly struck by the storm on October 28, 2025, when Melissa made landfall near New Hope in Westmoreland Parish as a Category 5 hurricane.
The storm crossed Jamaica from southwest to northeast, exposing communities to destructive winds, storm surge, and extreme rainfall. The impact was particularly serious in areas where homes, roads, health facilities, and other infrastructure were vulnerable to severe weather.
For residents, a hurricane is not merely a dramatic image on a television screen. It can mean losing the roof over one's home, being unable to contact relatives, having no electricity or clean running water, and discovering that familiar roads have become impassable.
Strong winds can tear away roofing materials, break windows, uproot trees, and bring down power lines. Flying debris can damage buildings and injure people. Even after the strongest winds have passed, fallen trees, unstable structures, and exposed electrical cables can continue to create danger.
Flooding can be equally destructive. Heavy rainfall may fill drainage channels and rivers faster than water can flow away. Roads can disappear beneath muddy water, while landslides may block mountain routes and cut off isolated communities.
The official assessment of Melissa records catastrophic impacts in western Jamaica and major disruptions to essential services. The storm also affected Haiti, Cuba, the Bahamas, and other parts of the region.
The consequences extended beyond damaged buildings. Health facilities faced disruption, transport networks were affected, and residents needed access to food, drinking water, medicine, temporary shelter, and reliable information.
When a major hurricane damages hospitals or interrupts electricity and water supplies, even people who are not physically injured may face serious health risks. Patients who depend on regular medication or medical equipment can be particularly vulnerable. Clean water shortages can also increase the risk of illness.
The Pan American Health Organization reported that Melissa caused severe impacts in Jamaica and disrupted essential health services. Its regional response involved cooperation with health ministries and other partners to assess damage and support affected populations.
The human consequences were severe. The National Hurricane Center's tropical cyclone report records 95 fatalities associated with Melissa. This figure reflects the scale of the disaster across the affected region and demonstrates why hurricane preparedness must include protection against flooding and storm surge, not only wind damage.