On the forecast track, Florence's will move over the southwestern Atlantic Ocean between Bermuda and the Bahamas Tuesday and Wednesday, and approach the southeastern us coast on Thursday as a major storm.
As of 11 p.m. Saturday, numerous forecast models are beginning to zero in to the North Carolina area. Maximum sustained winds are now at 65 miles per hour and the storm is moving west at 9 miles per hour southeast of Bermuda.
The NHC notes that "given the uncertainty in track and intensity forecasts" its too soon to determine the impact the storm could have on the East coast, but "the risk of direct impacts continues to increase".
Sitting in the open Atlantic over unusually warm waters and a favorable atmosphere, meteorologists say Florence - despite a momentary setback - is expected to explode in strength over the next few days.
As of early September, the 2018 hurricane season had been calm compared to the frenzy of 2017, in which three major storms - Harvey, Irma, and Maria - wrought havoc in the Caribbean and on the US mainland.
The governors office they will mobilize resources, including the Virginia National Guard and pre-position people to assist in storm response.
South Carolina's Emergency Management Division said although it was too early to tell if the storm would have any impact on the state, it's advising coastal residents to start making contingency plans.
Additionally, Northam asked Virginians "to monitor forecasts and make their own preparations" since the storm could bring flooding, unsafe storm surge and damaging winds.
"Large swells and high threats of rip currents associated with Tropical Storm Florence will produce life-threatening ocean conditions along Cape Hatteras National Seashore (Seashore) beaches", the statement said.
As of 5 a.m. Sunday, Florence was still a tropical storm, but is expected to strengthen into a hurricane sometime on Sunday. It is pretty far south and with high pressure ridging in place over the Atlantic and Florida, should in the short and medium term be a Caribbean system.
Moving southeast in the Atlantic, Tropical Storm Isaac now has winds of 50 miles per hour and is moving west at 9 miles per hour. It is passing just south of the Cabo Verde Islands off Africa.