A tropical depression is likely to form in the central Atlantic within the next few days as a tropical wave moves west toward the Caribbean, according to the National Hurricane Center (NHC). A second system farther north could briefly become a tropical depression or storm. Environmental conditions are expected to support further development over the next few days as AL92 moves west to west-northwest across the central tropical Atlantic. The NHC gives the system a 60 percent chance of becoming a tropical depression or storm within 48 hours and an 80 percent chance over the next seven days. The system, designated AL93, could briefly become a tropical depression or storm as it moves east at about 20 mph.