Key Takeaways
- Tropical wave has 30% chance of developing into Storm Melissa
- Potential hurricane threat to Caribbean, Florida, and southeastern US
- Development window: October 21-25, 2025
- Warm Caribbean waters could fuel rapid intensification
A developing tropical wave in the Atlantic has meteorologists on high alert, with the National Hurricane Center giving it an unusually high 30% chance of strengthening into Storm Melissa over the next week. The system could potentially threaten the Caribbean, Central America, and the southeastern United States by late October.
Storm Development and Tracking
The tropical wave, currently located over the central Atlantic east of the Lesser Antilles, is moving westward at 17 mph. AccuWeather meteorologists warn this system “may become the next threat to lives and property in the Caribbean, Central America, and potentially the U.S. before the end of October.”
Both the American GFS and European forecast models indicate the system could develop into a hurricane, with potential tracks showing it approaching Florida and the southeastern US coastline. Meteorologist Brian Shields confirmed that multiple models point toward hurricane development.
Official Warnings and Timeline
The National Hurricane Center stated: “Gradual development of this system is possible over the next several days while it moves generally westward at 15 to 20 mph. Regardless of development, this system is expected to bring heavy rainfall and gusty winds to the Windward Islands late this weekend.”
Florida storm chasers issued a stark warning: “We figured this would happen, and Florida is now in the possible 10-day track area of the tropical wave that will move into the Caribbean. The good news is we will have plenty of time to watch it.”
Models suggest the tropical wave could develop into Melissa between October 21 and 25, with meteorologists warning that “in a worst-case scenario, the wave could organize into a tropical storm over the central Caribbean and move northward with a track near the US Atlantic coast.”
Rapid Intensification Risk
AccuWeather lead hurricane expert Alex DaSilva explained the conditions: “Should the system get past issues with dry air, combative winds (wind shear), and proximity to the equator, it could intensify quickly once it reaches the warm and virtually untouched waters of the Caribbean next week.”
Experts caution that warm Caribbean waters could fuel rapid strengthening, making preparedness crucial for coastal communities. Some have warned this system could “define the Atlantic tropical season in terms of impact.”
2025 Hurricane Season Context
The Atlantic hurricane season continues through November 30. By October 15, the season had produced four hurricanes, three of which reached major hurricane strength with sustained winds of 111 mph or higher. There have been 12 named tropical storms and one unnamed storm that impacted the US East Coast from October 10 to 14.
As the peak period winds down in late October and November, new storms typically form near Central America, the central Atlantic, and waters off the southeastern US coast.








