Powerful nor'easter brings 50-61 mph winds, 1-5 inches of rain, and major coastal flooding from the Carolinas to New England through Monday.
States of emergency were declared in New Jersey and New York; water rescues were conducted in South Carolina after 10 inches of rainfall.
Over 5,500 flights delayed, major airports report 26-132 minute delays; Atlantic City may see the highest water levels since Hurricane Sandy
Storm expected to linger through Monday before moving offshore Tuesday; 21+ million people under coastal flood warnings.
Wind alerts are active from Virginia to Cape Cod with 40-60 mph gusts; saturated ground increases tree damage and power outage risks.