"We are stuck in the attic".
Officials have assured them they will be rescued by FEMA teams who are ready to do swift water rescue.
The center said the threat of freshwater flooding will increase over the next several days.
A forecast by the Weather Channel, presented by meteorologist Erika Navarro, has gone viral after its impressive use of 3D graphics showed just how deadly the potential storm surge of Hurricane Florence can be.
The storm is not expected to change much in strength before making landfall.
The category four hurricane is set to bring with it heavy rains and winds of up to 225 kilometres per hour.
"Florence is intensifying", said North Carolina's Governor Roy Cooper, adding: "This storm is strong, and its gettings stronger". It is expected that the hurricane moves on or near the coastline during the night of Thursday through Friday.
The NHC notes that amount of rainfall would "produce catastrophic flash flooding and prolonged significant river flooding".
A tropical storm warning is in effect for north of Duck, NC, to Cape Charles Light, VA, and for Chesapeake Bay south of New Point Comfort.
Rescue helicopters and trucks that can navigate floodwaters are also standing by.
Faced with new forecasts that showed a more southerly threat, Georgia's governor joined his counterparts in Virginia and North and SC in declaring a state of emergency, and some residents who had thought they were safely out of range boarded up their homes.
"The state is mobilizing all available resources to ensure public safety ahead of Hurricane Florence", said Deal.
"The idea of having to leave with my two cats and go somewhere for a week or more.once you leave, you don't know how many days it will be before you can return", a Wilmington resident named Kate told VOA.
The police chief of Wrightsville Beach suggested that those who made a decision to stay give him their next-of-kin contact information.
US President Donald Trump has authorised emergency measures to free up federal funds to help those responding to the storm.
According to a report from the J.P. Morgan Chase Institute, extreme weather events like the one now battering the Carolinas and Virginia can have far-reaching effects on consumers' wallets, impacting their spending for months after the storm has cleared. On Friday, he applauded the efforts of emergency responders.
Florence's winds in the afternoon were down to 120mph from a high of 140mph, and the Category 4 storm fell to a Category 3, with a further slow weakening expected as the storm nears the coast.
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