Forecasters with the National Weather Service said Tropical Storm Chantal is expected to move across the coast of South Carolina on Sunday.

MIAMI -- Tropical Storm Chantal has formed off the southeast U.S. coast. The National Hurricane Center in Miamia says tropical storm warnings have been issued for portions of the Carolinas. Tropical storm conditions are expected in the affected areas later Saturday.

Tropical Depression 3 strengthened into Tropical Storm Chantal on Saturday, July 5, according to the latest update from the National Hurricane Center.