Updated NHC forecasts showed the storm lingering near the coast of the Carolinas, carrying days of heavy rains that could bring intense inland flooding from SC to Virginia.
This oblique view of the cyclone shows its outer bands just within reach of Cape Hatteras, North Carolina - near where the storm's powerful eye could make landfall.
"The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and destructive waves".
"The limited number of hubs being impacted by Florence will likely limit the scale of disruption that cascades through the national air travel system", FlightAware said in its noon report.
Broward airport: At Fort Lauderdale Hollywood International Airport, the only flight cancellations are to Myrtle Beach, South Carolina, which are canceled Thursday and Friday. It was moving 10 miles per hour toward the Port City, the advisory said. The center is slowing down and is expected to stall and perhaps wander around just off shore on Thursday, Friday and Saturday.
In North Carolina, Florence is expected to dump up to 40 inches of rain.More news: The Last Remnant Remastered announced for PS4
Arnold and his crewmates have seen two other big storms brewing in the Atlantic Ocean, including Hurricane Helene and Tropical Storm Isaac.
The storm has pretty much followed the forecast track through now, but the issue will be Thursday or Friday as it nears the coast and the steering currents collapse.
The fierce winds of Hurricane Florence are weakening as it creeps closer to North Carolina but the impact of the huge storm will still be catastrophic for millions of people.
The National Hurricane Center said the storm's strength should continue through Thursday.
"This is an excellent opportunity for all of us to remind individuals that these storms can come up quickly, and we need to be prepared", County Executive Don Mohler said.
The NASA astronaut Ricky Arnold has also been following the giant storm.More news: Rain-hit BMW Championship eyes Tuesday finish if needed
The first large power outage in the Wilmington area also occurred Thursday morning, with the Duke outage map showing almost 1,400 customers in the Acme-Delco area of Columbus County and northwest Brunswick County without power.
Maximum water heights caused by Hurricane Florence's storm surge as predicted by the ADCIRC computer model. "We're about to be in the thick of it". With Hurricane Florence set to wallop the area as a Category 4 hurricane, there are fears the ponds could overflow or even collapse amid extremely heavy rain, sending vast amounts of manure from thousands of farms into rivers and contaminating groundwater.
"It will be historic", Baker said of the rain from Florence. "It's something we haven't seen. ever". "It will probably fall faster than it can leave".
But forecasters warned that the widening storm - and its likelihood of lingering around the coast for days - will bring life-threatening storm surge and torrential rains. The storm's 12-mph speed Thursday morning was a marked drop from Wednesday's 17-mph speeds.
FEMA and the National Weather Service also urged residents along the coast to evacuate. "Significant river flooding is expected as a result of excessive rainfall across area hydrologic basins". But even much lower flood levels can be unsafe and reach surprisingly far inland, as The Weather Channel demonstrated in a stunning video released today. As serene as the images are, it's hard to imagine what conditions are like in the storm and on the water under it. "The larger and the slower the storm is, the greater the threat and the impact - and we have that". Cooper said he hopes more shelters will also open today. "It's chilling, even from space", said Gerst.More news: Governor Deal issues State of Emergency across Georgia
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