"I can not overstate it: Flood waters are rising".
The additional rainfall will continue to cause flash flooding across large areas of all three states, with 5 to 10 more inches of rain expected in North Carolina, 4 to 6 more inches expected in SC and 2 to 4 inches in west-central Virginia.
'This is still a catastrophic, life threatening storm, ' said Zack Taylor, a meteorologist with the National Weather Center's Weather Prediction Center.
South Carolina Highway Patrol says a pickup truck was traveling west on Interstate 20 in Kershaw County on Sunday morning when it went off the roadway.
As the historic rains and flooding only very slowly ease along the North Carolina coast through Sunday night, serious flooding is predicted to spread farther inland.
In North Carolina, rivers rose to record levels and more people have been asked to evacuate as authorities worry another round of flooding could come in the next few days.
Cooper, however, said the storm, which was downgraded to a tropical depression early Sunday, prevented officials from seeing the full scope of the damage.
The storm continues to crawl westward, dumping more than 30 inches of rain in spots since Friday. "This system is unloading epic amounts of rainfall - in some places measured in feet, not inches".
"The storm has never been more unsafe than it is right now", North Carolina Governor Roy Cooper told a news conference.
More than 800,000 customers in North Carolina were without power and 21,000 people were being housed in 157 shelters across the state.
James Berthold checks on his van stuck in floodwaters in Newport, N.C. CORRECTING GRAMMAR AND TYPO IN CITY NAME A family is stalled in water as they wait to be rescued during the passing of Hurricane Florence in the town of New Bern, North Carolina, U.S., September 14, 2018.
Several victims died on flooded roads. The head of the Federal Emergency Management Agency, Brock Long, said officials were focused on finding people and rescuing them.
Woody White is chairman of the board of commissioners of New Hanover County. "We want you home, but you can't come yet".
Gas stations were abandoned and fallen trees made many roads impassable.
At least two people died from electrocution while attempting to connect their generators while one couple died of monoxide poisoning from running their generator indoors, according to reports.
Water on the Cape Fear River, which passes through Fayetteville, kept rising Sunday, reaching more than 41 feet (12.5 meters), according to the National Weather Service.
Up to 40 inches (102 cm) of rain are expected along coastal areas of the Carolinas and up to 10 inches in southwestern Virginia, the NHC said.
North Carolina officials have reported at least seven storm-related fatalities with unconfirmed reports of a further three deaths.
"Not only are you going to see more impact across North Carolina. but we're also anticipating you are about to see a lot of damage going through West Virginia, all the way up to OH as the system exits out", Brock Long of the country's Federal Emergency Management Agency said Sunday on Fox News.