In North Carolina, cities such as Wilmington and Lumberton are bracing for more flooding.
"North Carolinians are resilient and we will come back from this".
A one-year-old boy is the youngest victim to have been killed by the storm after he fell out of his mother's hands near Charlotte, North Carolina.
Almost 2 million chickens drowned in Hurricane Florence's historic flooding, one of the country's major poultry producers said. Cooper said his office would be working closely with FEMA and state legislators to help rebuild areas of the state damaged by Hurricane Florence.
He says he watched the devastation caused by the hurricane on television and has touched base with them to make sure they were safe.
It has dumped up to 100cm of rain on North Carolina since Thursday, the NWS said.
More than 1,100 roads were still closed across North Carolina, Governor Roy Cooper said on Tuesday, including portions of Interstates 40 and 95.
"We're in a floodplain but a hundred-year one", he said as floodwaters lapped at the house's front steps.
But the vast rainfall from Hurricane Florence and its aftermath left clinics closed and hospitals isolated in flood-ravaged North Carolina.
Hurricane Florence made landfall early Friday morning as a Category 1 hurricane. He urged residents who were evacuated from the hardest-hit areas to stay away because of closed roads and catastrophic flooding that submerged entire communities.
Crews conducted about 700 rescues in New Hanover County, where Wilmington is located.
"I think the next 48 hours are going to be incredibly critical", he said. Roads are being cleared and the landfill is open to accept storm refuse.
The remnants of tropical storm Florence are moving through New Hampshire today and heavy rain is in the forecast until tonight.
"Rescued six dogs in Leland, NC, after the owner LEFT THEM locked in an outdoor cage that filled with flood water that was rapidly rising", freelance Journalist Marcus DiPaola tweeted on Sunday.
North Carolina environmental regulators said several open-air manure pits at hog farms had been breached and were spilling pollution.
Russell Maloy walks over a rail track bridge near his home to check the level of the Cape Fear River which has been rising in the aftermath of Hurricane Florence in Fayetteville, North Carolina.
More than 347,000 customers, mostly in the Carolinas, were without power on Tuesday morning, according to power companies, down from a peak of almost 1 million outages.