Hurricane Melissa: A Climate Change-Induced Catastrophe

Hurricane Melissa made landfall in Jamaica on October 28, 2025, as a Category 5 storm, registering maximum sustained winds of 185 mph (298 km/h). This storm, the most powerful ever recorded in Jamaica, caused extensive damage, displacing hundreds of thousands and resulting in at least 61 fatalities across Jamaica, Cuba, Haiti, and the Dominican Republic. The estimated economic toll is around $6 billion, equivalent to approximately one-third of Jamaica's GDP.

Climate change enhanced intensity of Hurricane Melissa, testing limits of adaptation in Jamaica and eastern Cuba – World Weather Attribution

A rapid analysis by World Weather Attribution, involving scientists from the US, UK, Jamaica, and other nations, concluded that climate change significantly exacerbated Hurricane Melissa's intensity. The study found that climate change increased the hurricane's maximum wind speeds by 7% and rainfall intensity by 16%. The ocean temperatures in Melissa's path were about 1.5°C (2.7°F) warmer than historical averages, creating conditions that made such extreme weather events six times more likely.

Associated PressThe GuardianHere’s How Much Hurricane Melissa Was Worsened by Climate ChangeMiami HeraldNew York TimesClimate change enhanced intensity of Hurricane Melissa, testing limits of adaptation in Jamaica and eastern Cuba – World Weather AttributionGrist

Melissa exhibited rapid intensification, with wind speeds increasing from 68 mph to 139 mph in just one day. This phenomenon, where a storm's sustained winds increase by at least 35 mph within 24 hours, has become more common due to climate change. The storm's slow movement over warm waters allowed it to gather destructive energy, leading to catastrophic flooding and landslides in Jamaica, where some areas received unprecedented rainfall.

GristAssociated PressThe GuardianHere’s How Much Hurricane Melissa Was Worsened by Climate ChangeMiami HeraldNew York TimesThe Independent

The aftermath of Hurricane Melissa has reignited discussions about climate finance, particularly for developing nations vulnerable to climate-related disasters. Jamaican Prime Minister Andrew Holness emphasized the inadequacy of current international climate finance commitments, urging developed nations to fulfill their obligations to support adaptation efforts in at-risk countries. Experts warn that without significant action to reduce greenhouse gas emissions, the frequency and intensity of such storms will continue to escalate.

The Guardian

Friederike Otto, a climate scientist at Imperial College London, remarked, “What we see with Hurricane Melissa and other recent monster storms is that they are becoming so intense that they will soon push millions of people beyond the limits of adaptation.” Andrew Dessler, a professor at Texas A&M University, noted that the findings align with existing research on climate change's impact on tropical storms, stating, “This is completely consistent with our expectation of what’s going to happen in the future.”

Associated Press

As recovery efforts begin, the focus will shift to rebuilding infrastructure and addressing the immediate needs of displaced populations. The upcoming UN climate talks in Belém, Brazil, will serve as a platform for vulnerable nations to advocate for increased climate finance and support for adaptation strategies. The long-term implications of Hurricane Melissa will likely influence future discussions on climate resilience and disaster preparedness in the Caribbean and beyond.

The Guardian

• “Hurricane Melissa’s catastrophic landfall in Jamaica is not an anomaly, it is the canary in the coalmine,” — Jayaka Campbell, Senior Lecturer, University of the West Indies

The Guardian

• “Warmer ocean temperatures are effectively the engine that drives a hurricane …” — Theodore Keeping, Climate Scientist, World Weather Attribution

Associated Press

• “Developed countries must honor their commitments and scale up climate finance, recognizing that adaptation is a necessity for the survival of small island developing states,” — Andrew Holness, Prime Minister of Jamaica

The Guardian

• “A hurricane this rare would actually have had wind speeds about 10 mph (16 kph) less extreme” in a pre-industrial climate, said Keeping.” — Andrew Dessler, Professor of Atmospheric Sciences, Texas A&M University

Associated Press

Hurricane Melissa serves as a stark reminder of the urgent need to address climate change and its far-reaching impacts on vulnerable communities.

Miami Herald