"State assets are being mobilized now and Team South Carolina is working around the clock to be ready, if necessary", S.C. Gov. Henry McMaster said in a statement Saturday.
Georgia Gov. Brian Kemp has ordered a mandatory evacuation of the state's Atlantic coast starting at midday Monday.
Among those being evacuated was Sue Watson, a 93-year-old resident of a retirement community in Kissimmee in central Florida.
"The hurricane will then move dangerously close to the Florida coast late Tuesday through Wednesday evening and then move dangerously close the Georgia and SC coasts on Wednesday night and Thursday", NOAA forecasters wrote.
Data collected by the Air Force Hurricane Hunter plane suggests that Dorian is likely to remain a powerful hurricane late into the week.
But with the slow motion of Dorian, the prolonged duration of hurricane and tropical storm force winds with gusts over 100 miles per hour, storm surges of up to 20 feet and heavy rain of up to 30 inches locally in some areas will have potentially devastating impacts on the northern Bahamas.
"If there is a difference in the track by 30 miles, that's the difference between tropical-storm-force and hurricane winds", Dean said Sunday on "Fox & Friends".
Grocery stores' shelves were "just about cleared", Rigby said, and most homes and businesses had been shuttered since Friday.
Several gasoline stations around Titusville were closed.
Florida Governor Ron DeSantis has also declared a state of emergency, asking residents to prepare supplies enough to sustain seven days.
Republican Senator Rick Scott weighs in as Florida braces for massive storm.
Pete Werner said he is riding out the storm at home in Orlando but is sending his mother to Walt Disney World.
Still, residents of Grand Bahama are advised to remain in their shelters, as risky winds will pick back up once the eye passes.
According to the National Hurricane Center, the following warnings and watches are in effect as of 2 p.m.
Residents on Abaco posted video on social media showing floodwaters halfway up the sides of single-family homes with parts of the roofs torn off. auto alarms blared across the island, which was littered with twisted metal and splintered wood.
Two to four inches of rain are now expected near the coast in Florida.
"I want you to remember: homes, houses, structures can be replaced".
"Their hotels are built to exceed Florida building codes so they're built to withstand a category 5 hurricane", he said.
"We expect that much of the eastern seaboard will be ultimately impacted and some of it very, very severely", he said.
Palm Beach County issued the evacuation order beginning 1 p.m. Sunday after the county that includes West Palm Beach was placed under a tropical storm warning. Dozens ignored evacuation orders, officials said.
"This looks like it could be larger than all of them", Trump said during a briefing with the Federal Emergency Management Agency (FEMA).
"It's going to be really, really bad for the Bahamas", Colorado State University hurricane researcher Phil Klotzbach said.
Despite the more favorable forecasts for Florida, town authorities there told people to remain vigilant and a tropical storm watch was issued for a more than 120-mile stretch (193 km) of the state's coast, meaning sustained winds of up to 73 mph (117 kph) were possible within 48 hours.
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