Potential Tropical Cyclone No. 8 has formed in the southwestern Caribbean this afternoon. This system will likely strengthen further and soon become Rafael as it makes its journey to the north. A hurricane is possible as it nears Cuba and sits underneath an upper-level anticyclone,

The National Hurricane Center (NHC) is closely monitoring a disturbance in the Caribbean Sea that is expected to become a tropical storm later today. A Tropical Storm Warning has been issued for Jamaica as the system approaches the island.

A tropical disturbance in the Caribbean Sea, now known as Potential Tropical Cyclone 18, is likely to become Tropical Storm Rafael by Monday and is forecast to become a hurricane later this week, the National Hurricane Center said Sunday night.