(TLP:CLEAR) Hurricane Melissa Brings Havoc to the Caribbean, Underscoring the Growing Risk of Extreme Weather Amid Earth’s Warming Climate

Summary: Hurricane Melissa smashed through several Caribbean countries this week, causing massive destruction, fatalities, and infrastructure impacts. Being one of the most powerful Atlantic hurricanes ever recorded, this storm underscores how Earth’s warming climate is leading to more extreme weather events.

Analyst Note: Hurricane Melissa is the thirteenth named storm, the fourth major hurricane, and the third Category 5 hurricane of the 2025 Atlantic hurricane season. The system is still actively moving northeastward from the Caribbean and toward Bermuda. Although the system is not expected to impact the U.S. mainland, WaterISAC is still sharing this report for situational awareness of the natural hazards threat landscape.

The storm pummeled Jamaica as a Category 5 storm on Tuesday with winds of 185 miles an hour. Melissa brought powerful winds, heavy rains, flash flooding and landslides devasting the island nation. It also passed through Cuba and parts of the Bahamas as a powerful Category 2 storm, after it hit Jamaica as one of the most powerful Atlantic storms on record. The storm severely disrupted power, water and wastewater, communication, and transportation services in several nations in the Caribbean.

The powerful storm, with winds reaching 185 miles an hour at its peak, along with past activity over recent years has led some scientists to call for the establishment of a Category 6 storm, which would begin at peak sustained wind speeds of 192 miles per hour. Still, some scientists believe focusing on additional categorization is unnecessary. Hurricane Allen in 1980 remains the strongest Atlantic storm on record with peak sustained winds of 190 miles an hour. 

According to several reports, the Earth’s warming climate likely increased the intensity of Hurricane Melissa. An analysis by Climate Central noted that the waters Melissa traveled over as a Category 5 storm as it approached Jamaica were more than one full degree Celsius (two full degrees Fahrenheit) hotter than normal—a circumstance that climate change made more than 700 times more likely. Although the 2025 Atlantic Hurricane Season has not led to severe hurricane landfalls or natural hazard impacts in the U.S., as of this writing, it’s still important for utilities to prepare for that contingency.

Original Sources: 

• https://www.cnn.com/2025/10/30/americas/rescue-efforts-storm-melissa-intl
• https://www.wsj.com/world/americas/hurricane-melissa-cuba-jamaica-73c0234e?mod=world_lead_story
• https://www.climatecentral.org/tropical-cyclones/melissa-2025

Mitigation Recommendations:

• National Hurricane Center
• (TLP:GREEN) WaterISAC Hurricane Season Resource Guide – May 2024

Related WaterISAC PIRs: 16 & 17