Forecasters are keeping an eye on a tropical rainstorm in the Caribbean with the potential to hit Florida as a major hurricane next week. Tropical rainstorm Invest 99L is expected to become a tropical depression in the next couple of days and develop further as it moves over the central Caribbean Sea,

The NHC said Wednesday it is tracking a tropical wave in the Caribbean Sea that could become a tropical depression by the end of the week.

"Not only does this have a significant chance of becoming a hurricane, but it may become a major hurricane very quickly," hurricane expert Alex DaSilva said