The National Hurricane Center has issued a tropical storm warning for parts of the South Carolina coast due to the formation of a tropical depression. The warning is for citizens from Edisto Beach northeastward to South Santee River. The warning means that tropical storm conditions are expected this evening, within the next 12 hours. The weather service said some slight strengthening is expected today, and the depression is forecast to become a tropical storm before it makes landfall. Rapid weakening is forecast after landfall occurs. Heavy rainfall is possible from coastal southern South Carolina and Georgia, inland across the Piedmont...