A​ tropical storm is expected to form in the northwest Caribbean Sea or southern Gulf of Mexico and eventually head toward either Florida or the northern Gulf Coast late this week, but details on its potential intensity,

Some forecasters fear the storm system could grow into a major hurricane that could impact the Gulf coast region of the U.S.

A broad area of low pressure near the coast of Nicaragua today is expected to slowly organize this week and is likely to become a tropical depression or named storm by the middle of the week as it heads northward toward the U.