"I know many people are exhausted of the present and are scared of the future", Gov. Roy Cooper said. Its torrential rains also brought flooding that cut off hundreds of vital roads and highways - including Interstate 95 - complicating relief efforts and frustrating evacuees who have sought to return to coastal areas.
The storm dumped more than 8 trillion gallons (30 trillion litres) of rain on North Carolina, the weather service said.
Parts of southern New Hampshire and much of MA were under a flash flood warning, and a tornado warning was issued near Salem, Mass.
Authorities ordered the immediate evacuation of up to 7,500 people living within a mile (1.6 kilometers) of a stretch of the Cape Fear River and the Little River, about 100 miles (160 kilometers) from the North Carolina coast.
SCDOT officials say there are 200 road closures throughout the state including 40 major road closures across the state.
Throwing a lifeline to a city surrounded by floodwaters, emergency crews delivered food and water to Wilmington on Monday as rescuers picked up more people stranded by Hurricane Florence and the storm's remnants took aim at the densely populated Northeast.
In Wilmington, population 120,000, workers began handing out supplies using a system that resembled a fast-food drive-thru: Drivers pulled up to pallets lining a street, placed an order and left without having to get out. And he got them to safety. High winds knocked over a tree that fell on a home, killing a 41-year-old woman and her 7-month-old son.
Others got a case of bottled water or military MREs, or field rations.More news: Strong winds but warmer weather ahead as ex-hurricane Helene hits
In less than 48 hours, he stopped at the Humane Society of North Myrtle Beach (S.C.), the Dillon County (S.C.) Animal Shelter, another in Orangeburg, South Carolina, and Saint Frances Animal Center in Georgetown, South Carolina, which sang his praises on social media Sunday.
Also scheduled to attend Tuesday's briefing were the chief of the National Guard Bureau and the adjutant general of SC. O'Shaughnessy at the state's emergency response headquarters.
Also scheduled to attend Tuesday's briefing are the chief of the National Guard Bureau and the adjutant general of SC. Radar showed parts of the sprawling storm over six states.
About 3.4 million chickens and turkeys and 5,500 hogs have been killed in flooding from Florence as rising North Carolina rivers swamped dozens of farm buildings where the animals were being raised for market, according to state officials. More than two feet of rain has fallen in some areas, and many rivers haven't yet reached their crest on Monday, as they struggle to deal with four days of heavy rain from the large Category 1 hurricane.
President Donald Trump said the aftermath of last year's hurricanes in Puerto Rico has been an "incredible, tough situation" but he added, "we fought, and we are winning that one big".
It may take up to two weeks for all of the runoff from the storm, which has killed at least 31 people, to drain slowly downstream from the mountains to the coast, forecasters warned.
Like hurricanes Harvey and Katrina before it, Florence will be remembered for unleashing a staggering amount of water over a vast area.