Carolinas

It was rain that wouldn't quit. A weather system fueled by warm moisture streaming in from the Atlantic Ocean on Oct. 3 and 4 relentlessly dumped between one and two feet of rain across most of South Carolina. The result was rivers topping their banks and dams bursting. Catastrophic flooding followed across most of the state, which has left residents in some areas without power or clean drinking water. Tracking and predicting the deluge, both as rain and then floodwater, are the first steps to help protect people in harm's way. State and federal emergency managers have been on the front lines...