The National Hurricane Center reports that Potential Tropical Cyclone 19 has developed into Tropical Depression 19 in the Caribbean Sea and is expected to strengthen into a tropical storm, named Tropical Storm Sara,

Tropical Depression 19 has formed and is expected to soon become Tropical Storm Sara, but the National Hurricane Center says there's a chance it won't reach hurricane strength.

Tropical Depression Nineteen formed Thursday morning and is expected to become tropical Storm Sara later today, the NHC said.