Tropical Storm Chantal formed off the coast of South Carolina on Saturday, July 5, as the National Hurricane Center warned of heavy rainfall across the coastal Carolinas. The center extended a tropical storm warning from the South Santee River in South Carolina,

Tropical Storm Chantal formed in the Atlantic on Saturday morning and is projected to reach South Carolina's coast on Sunday, the National Hurricane Center said.

Tropical Storm Chantal formed Saturday as it slowly moved in the Atlantic toward the Carolinas, according to the National Weather Service. What had been Tropical Depression Three that formed off the coast of Florida on Friday grew into the season’s third named storm by 8 a.