Waning Andrea to dump heavy rain across East Coast

Tropical Storm Andrea is expected to drench the East Coast with heavy rains Friday as its strength weakens. A broader swath of the East Coast -- including parts of 13 states, from Georgia to Maine -- is under flash-flood watches. Flash flood warnings extend from Florida through coastal communities north to Virginia. The warning means a sudden deluge of rain could overwhelm sewers, and cause rivers and creeks to overrun their banks through the weekend.