Summary: A developing low-pressure system currently designated "Invest 99L" is located in the Caribbean Sea. It is likely to organize into a tropical depression or storm as soon as Thursday and could threaten the northern or western U.S. Gulf Coast as a tropical storm or hurricane by late weekend or early next week. It's too early to know exactly what impacts this system might bring to portions of the U.S. Gulf Coast, but there is the potential for wind, rain, and storm surge impacts.
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