The most sweeping orders come from SC, where the entire coastline was given until Noon on Tuesday to leave - more than one million people on the move. Schools in 26 of the state's 46 counties were ordered closed from Tuesday.
According to AAA, the storm "will likely have an impact on East Coast gas prices this week should the storm follow its projected path".
The Miami-based center says the storm's center was located about 410 miles (660 kilometers) south of Bermuda and about 975 miles (1570 kilometers) east-southeast of Cape Fear, North Carolina.
Leuttic warned that high winds are risky, but it's really the heavy rainfall that poses an even higher risk.
Trump approved emergency declarations for the Carolinas, a standard move allowing the release of federal funds and equipment to aid in protection and recovery efforts.
More than one million people are estimated to have fled as the Hurricane heads towards the US.
The decisions were made as Florence appears set to come ashore along the Carolinas' coastline late Thursday or early Friday with strong winds and heavy rain.
Hurricane Florence's potential for destruction also includes increased risks for the environment and public health as torrential rains could overwhelm the pits where toxic waste from power plants is stored.
"On the forecast track, the center of Florence will move over the southwestern Atlantic Ocean between Bermuda and the Bahamas through Wednesday, and approach the coast of North Carolina or SC on Thursday".
Dr Ventricle, who has a PhD in Tropical Meteorology, expressed his concern surrounding the hurricane, stating: "The weather model just keeps getting worse for the Carolinas".
Its centre will move between Bermuda and the Bahamas on Tuesday and Wednesday and approach the coast of SC or North Carolina on Thursday.
The latest warning extends from South Santee River, S.C., to Duck, N.C., and the Albemarle and Pamlico Sounds, in North Carolina. "We are totally prepared", Trump said at the White House.
Paula Matheson of Springfield, Oregon, got the full Southern experience during her 10-week RV vacation: hot weather, good food, attractive beaches and, finally, a hurricane evacuation. Half her supply was going to barricade a basement soup kitchen she managed, and the other half to protect her own home on nearby Johns Island. Farmers will be using the next several days to prepare for the storm, he said.
"It doesn't matter what happened in (previous) storms", said LaRoche, a social services director.
Early Tuesday, authorities began closing inbound lanes of Interstate 26 into Charleston to help facilitate the traffic flow of those wanting to get out.
Norcross said the soggy summer will exacerbate the flooding: "And then you add to that the fact that they've had very heavy rain in the mid-Atlantic this year already, and the ground is quite saturated", he said.
A hurricane watch is now in effect for hundreds of miles of the U.S. East Coast, from Edisto Beach in SC up north to the North Carolina-Virginia border.
A storm covering enormous area, to drench and lash more people.
Two other storms are spinning in the Atlantic as the 2018 hurricane season reaches its peak. Tropical Storm Isaac was east of the Lesser Antilles and expected to pass south of Puerto Rico, Hispaniola and Cuba, while Hurricane Helene was moving northward away from land.
Florence "will bring extreme wind damage and surge damage, " said Jeff Masters, co-founder of Weather Underground in Ann Arbor, Michigan.
Florence's growth from an ordinary tropical storm to a major hurricane had been well-forecasted since the cyclone originated from a strong tropical wave that emerged off the coast of Africa on August 30.
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Meghan has previously shared photos with her dogs on her defunct Instagram page. She said Meghan should "bow to the daddy".