"We know the evacuation order I'm issuing will be inconvenient", McMaster said.
Jones urged Chatham County residents to continue to monitor Florence and be generally prepared for hurricanes with a hurricane kit, shelter-in-place supplies and an evacuation plan.
Virginia Governor Ralph Northam ordered a mandatory evacuation for about 245,000 residents of low-lying coastal areas, while some coastal counties in North Carolina have done the same.
The "major" hurricane was about 845 kilometres south-southeast of Bermuda on Monday and moving toward land at approximately 20 km/h, according to an advisory from the National Hurricane Center (NHC).
Olivia's maximum sustained winds are about 60 miles per hour, after the storm weakened from Category 1 strength, forecasters said. "That means the more trees that could fall, the more power outages", National Hurricane Center Director Ken Graham said. This could cause disastrous flooding in several areas. President Donald Trump tweeted on Monday evening.
"We here in North Carolina are bracing for a hard hit", Cooper said Monday.
The campaign said the event was scuttled out of safety concerns.
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The defense also paid dividends as new Ram Marcus Peters got on the scoreboard with a 50-yard interception return for the score. Contract holdouts are fairly typical for star National Football League players.
This happened past year, too, when Hurricane Jose and Tropical Storms Maria and Lee were churning at the same time.
The 8 a.m. forecast changes the storm surge watch for the eastern United States, with the worst impact, a surge of up to 12 feet, expected on a stretch from Cape Fear to Cape Lookout in North Carolina. "But we're not going to gamble with the lives of the people of SC".
The storm was edging closer to the USA and was 975 miles (1570km) east-south-east of Cape Fear, North Carolina.
By Monday morning, the hurricane center classified Florence as a "major" hurricane, Category 3, meaning it was packing sustained winds of at least 111 miles per hour. "We know it's going to hit somewhere where it's going to have a dramatic impact on SC".
"A west- northwestward motion with a decrease in forward speed is expected through late Tuesday, followed by a turn toward the northwest and then toward the north-northwest on Wednesday and Thursday", the NHC said.
Preparations for Florence are intensifying up and down the densely populated coast.
Meteorologists expect Hurricane Florence to be a Category 3 or a Category 4 storm when she makes landfall in North Carolina. As of Monday, there have been 10 named storms.
The storm's potential path also includes half a dozen nuclear power plants, pits holding coal-ash and other industrial waste, and numerous eastern pig farms that store animal waste in massive open-air lagoons.