Enough rain could fall to break North Carolina's record for a tropical storm - 24 inches - set near Wilmington during Hurricane Floyd in 1999, said Greg Carbin, chief of forecast operations at the Weather Service's national prediction center.
Tropical storm winds are between 39 and 73 miles per hour, while hurricanes are 74 miles per hour or higher.
President Trump and his administration are buckling in for Hurricane Florence, a Category 4 hurricane expected to slam into the Carolinas by Friday.
The landfall location is expected to be between Wilmington and Morehead City, North Carolina.
By Sunday, clouds from Florence will increase around here, with rain arriving by Sunday night into Monday.
With South Carolina's beach towns more in the bull's-eye because of the shifting forecast, OH vacationers Chris and Nicole Roland put off their departure from North Myrtle Beach to get the maximum amount of time on the sand. Hurricane-force winds extend outward up to 70 miles from the center and tropical-storm-force winds extend outward up to 175miles.
Meteorologists are warning of potentially catastrophic flooding in the area, with isolated amounts of up to 40 inches of rain expected in parts of SC.
Coastal residents are not the only people attempting to move out of harm's way of Hurricane Florence.
Areas along the coast from Cape Fear to Cape Lookout, NC, including the Neuse, Pamlico, Pungo and Bay rivers may experience storm surges from 9 to 13 feet.
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Additionally, "inspectors have checked 150 drainage hotspots, and 200 slopes known to have caused problems in the past". However, it's not too late to prepare for Hurricane Florence - or any other storm that may move through Coweta County.
Crews board up the Oceanic restaurant in Wrightsville Beach, North Carolina, in preparation for Hurricane Florence.
The path of Hurricane Florence could affect the homes of more than 5 million people, and more than 1 million of them have been ordered to evacuate.
News that the storm could plow through SC after landfall came shortly after McMaster lifted his mandatory-evacuation order for Beaufort County and many other areas south of Charleston.
"It doesn't look like it's going to weaken at this point", Flaherty said.
Deal cited the storm's "forecasted southward track" in a statement declaring a state of emergency.
On Wednesday morning, Florence was extending hurricane-force winds outward up to 70 miles from its center, with tropical-storm-force winds up to 175 miles outward.
We'll keep you updated on this system in the coming days.
"This is not going to be a tropical storm ... this is going to be a Mike Tyson punch to the Carolina coast", Jeff Byard, the associate administrator for FEMA's Office of Response and Recovery, said on Wednesday.
Moreover, high tides around noon and midnight these next few days will make the storm surges even worse, Samson said.