The National Hurricane Center (NHC) explains that AL99 is a broad area of low pressure over the central Caribbean Sea, which continues to produce a large area of rain and thunderstorms.
The institution stresses that environmental conditions are conducive to development, and a tropical depression is likely to form within the next few days as the system slowly moves westward in the western Caribbean Sea.
Likely, there is further development as the disturbance meanders through the western Caribbean Sea over the weekend.
According to forecasters, The system is expected to turn slowly northwest early next week.
jrr/arm/mem/alb
