They said torrential rains in the mountains could easily cause flash floods, leading to extensive damage.
Washington Post: "Category 4 Hurricane Florence drawing closer to Carolinas and threatens "catastrophic" flooding" - "Expanding in size, violent Hurricane Florence is continuing on a beeline toward the East Coast as an "extremely dangerous" Category 4 hurricane". On the forecast track, the center of Florence will move over the southwestern Atlantic Ocean between Bermuda and the Bahamas today, and approach the coast of North Carolina or SC in the hurricane warning area on Thursday and Friday and move slowly near the coastline through Saturday.
It was located 575 miles (925 kms) east-southeast of Cape Fear, North Carolina, and moving at 17 mph (28 kph) in a west-northwest direction.
Hurricane Florence shifts south as Georgia and Carolinas hunker down
Most manure pits could handle up to 25 inches of rain, Curliss said.
Flaherty said there is a small piece of good news, in that the "flow" in the southeastern quadrant of the storm has been reduced slightly.
Georgia's governor has declared a state of emergency, citing potential "changes in the storm's trajectory" as well as an influx of evacuees heading south from the Carolinas.
'Big and vicious': Hurricane Florence closes in on Carolinas
The hurricane center said the storm is expected to strengthen and speed up as it approaches the Carolina coast in the coming days. The storm was located roughly 1,170 miles east-southeast of the Cape Fear region, and remained a risky Category 4 storm .
More than 1 million people have been ordered to evacuate the coastlines of the Carolinas and Virginia.
Forecasters have adjusted Hurricane Florence's projected path, saying that after it makes landfall, it is likely to take a more southerly route than expected.
Wrap up your preparations today and make plans to get to your safe place by Wednesday night or first thing Thursday morning in advance of Hurricane Florence. "The latest warnings from the National Hurricane Center predict totals of up to 40 inches in isolated areas, far above the 27.84" that fell in Georgia during Hurricane Alberto in 1994 (the current East Coast record), or the 10.28 inches that fell in SC during Hugo.
'Monster' Hurricane Florence to pound U.S. Southeast for days
Forecasters have warned the hurricane is expected to strengthen through Tuesday evening into Wednesday, but weaken on Thursday. Officials have declared states of emergency in North and South Carolina, Virginia, Maryland and the District of Columbia.
A Hurricane Warning from Duck, North Carolina south into SC, including Albemarle and Pamlico Sounds. Even if you've ridden out storms before, this one is different. "It's going to happen".
"This is a real hurricane that we have coming and our goal is to protect lives and property", said Steve Goldstein, NOAA liaison to FEMA. "But no matter how bad it's going to be, it will pass and our job will be to rebuild this community together, and that's what we're going to do".
Tall corn and tobacco crops are most vulnerable to wind damage and hard to harvest if knocked down, said Rhonda Garrison, executive director of the Corn Growers Association of North Carolina.
South Carolina governor orders mandatory evacuation of state’s entire coastline starting Tuesday
Hurricane-force winds extend outward up to 30 miles from the center and tropical-storm-force winds extend outward up to 140 miles. Writing on Twitter , he added: 'Take time right now to call your friends and family who live in the Carolinas and Virginia.
The hurricane is gaining pace as it heads for the Carolinas, where 1.7million people have been told to evacuate. "People are taking down awnings and U-Haul trucks have come in and take the entire contents of stores".