Environmental conditions appear conducive for some gradual development of this system thereafter, and a tropical depression could form late this week or this weekend while moving slowly ...

Tropical Depression Eighteen formed in the Caribbean on Monday and is expected to intensify to a tropical storm later in the ...

Tropical Storm Rafael formed in the Caribbean on Monday, a storm that's predicted to intensify into a hurricane and threaten ...

Millions of people from the Caribbean to the U.S. Gulf Coast are keeping their eyes on Tropical Depression Eighteen as the system becomes better organized and is forecast to become Hurricane Rafael in ...

TD 18, which will become Tropical Storm Rafael when it strengthens to that status, is moving north at 9 mph. The system is ...

Tropical Depression 18 nearing tropical storm status ...