The Atlantic basin is heating up as AccuWeather meteorologists track two systems with the potential to strengthen into tropical storms before the end of September. At least one is expected to reach hurricane strength, and the other could threaten the southeastern United States.

One tropical wave east of the Caribbean has already organized into a tropical rainstorm and could strengthen into a named tropical storm or even a hurricane in the coming days. A second tropical wave crossing the northern Caribbean is also showing signs of development, raising concerns for the Bahamas and potentially the U.S. East Coast.

The next two names on the list of tropical storms for the 2025 Atlantic hurricane season are Humberto and Imelda .

The group of showers and thunderstorms, now designated as

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