Dangerous flooding from Tropical Storm Arthur, first of the Atlantic season, threatens Gulf Coast

Tropical Storm Arthur, the first Atlantic storm of the season, threatens the Gulf Coast with dangerous flash flooding. The storm, with maximum winds of 40 mph, is expected to dissipate by Wednesday night or Thursday. Heavy rainfall, storm surge, and potential tornadoes are causing flood warnings across Texas, Louisiana, Mississippi, Alabama, Georgia, and the Florida Panhandle.