Tropical Storm Chantal formed Saturday and picked up speed later in the day as it 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.

Tropical Storm Chantal formed Saturday morning about 150 miles off the coast of South Carolina, prompting tropical storm warnings for portions of the Carolinas.The National Weather Service in Miami said the storm was located south-southeast of Charleston,

Tropical Storm Chantal formed off the South Carolina coast Saturday morning with a warning extended northward to Surf City, N.C. Rain and thunderstorms are likely in South Florida over the next