The NHC said Florence is expected to be an "extremely risky major hurricane" when it makes landfall in the Carolinas late Thursday or early Friday, bringing life-threatening storm surge to coastal areas.
Duke Energy, the second-largest energy company in the U.S., said Florence could knock out electricity to three-quarters of its four million customers in the Carolinas.
"Today is the time to get your preparedness actions complete", he said.
TRACKING FLORENCE: Stay with The Weather Network online and on T.V. for our exclusive coverage of the storm.
Some forecasters have predicted it could be the most powerful storm ever to hit the region. But barber Josh Dais says the island's 5,000 residents now are trying to decide whether to flee ahead of Hurricane Florence.
On its current track, Florence is expected to hit the Carolinas and Virginia the hardest, the NHC said.
"I've been through hurricanes before but never with kids", she said. The Category 4 storm is likely to produce "catastrophic" flooding in the eastern Carolinas, as well as destructive winds.
Fishel said storm surges are expected to be between nine and 13 feet and could cause greater problems when they back up into nearby bodies of water, including the Tar and Neuse rivers.
Some areas could see storm surges as high as 12 feet, and as much as 30 inches of rain.
Although its peak winds diminished, forecasters said the storm's total energy grew as its inner core and outlying bands of wind expanded.
According to analytics firm CoreLogic, the hurricane could wreak more than $170billion (£130billion) in havoc and damage almost 759,000 homes and businesses.
There will be hurricane-force winds up to 80 miles from the centre of the storm, meteorologists say.
Tropical Storm "Isaac" was spotted east of the Lesser Antilles and expected to pass south of Puerto Rico, Hispaniola and Cuba, while Hurricane "Helene" was moving northward away from land.
For many of those under evacuation orders, getting out of harm's way has proved difficult, as airlines canceled flights and motorists had a hard time finding gas.
Another joker said: 'Looks like tropical storm Floyd has penetrated Florence, we will be having a baby shower for the little sprinkle that's due in 9 months'.
A life-threatening storm surge is now highly likely alone portions of the North and SC coastlines.
A year ago, people would have laughed off such a forecast, but the European model was accurate in predicting 150 cm for Hurricane "Harvey" in the Houston area, so "you start to wonder what these models know that we don't", said Brian McNoldy, a hurricane expert at the University of Miami.
About 1.7 million residents have been urged to flee from parts of North and SC.
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Some 75,000 passengers were left stranded after a glitch forced the airline to cancel almost 726 flights over three days. The airline said affected customers should follow their bank or provider's recommended advice.
But the Pentagon pushed for a more measured response, US officials said, and the idea was eventually rejected as too risky. Kurdish forces control most of Qamishli, but regime fighters and allied militiamen hold part of the city and its airport.
Armored personnel carriers, multiple rocket launchers and tanks followed, with biplanes flying overhead in a "70" formation. The head of the nation's parliament, Kim Yong-nam addressed the crowd instead.
Monday, but urged residents on Sunday to familiarize themselves with evacuation routes and have a plan for pets if the storm hits. McMaster said he had asked President Donald Trump to declare a federal emergency in SC in anticipation of the storm's arrival.
The move was made in response to the latest USA decision to shut down the PLO delegation office in Washington. Israeli Prime Minister Benjamin Netanyahu hailed the US administration's "clear stance in the matter".
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On Friday, fans, friends, and celebrities rushed to Twitter to express their condolences and sadness over Miller's passing. In his final tweets posted on Thursday, the rapper promoted the North American tour he was set to embark on next month.
That campaign could end up giving more voice to eurosceptic groups and thwart efforts at closer European Union integration. So far, however, that seems unlikely as the Alliance has rejected any cooperation with the Sweden Democrats.
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Lucia who graduated in 2016 from Harding University in Arkansas. "We need to push past our initial grief", said Dr. This photo from 2014 shows Botham Jean speaking at Harding University where he often led campus worship services.
‘Phenomenal’ 83-foot wave detected in Hurricane Florence
The hurricane is expected to dump heavy rain throughout the region and FEMA officials said it's not just a coastal problem. Downpours and flooding would be especially severe, lasting for days, if the storm stalls over land.
Obama goes on offensive against Trump, GOP
Obama campaigned for congressional Democrats from California on Saturday, a day after he excoriated Trump in a speech in IL . Obama heads to Cleveland on September 13 to campaign for Ohio Democratic gubernatorial nominee Richard Cordray.
These maps show what to expect from Hurricane Florence
A mandatory evacuation was ordered for residents of Hatteras Island and some other areas of Dare County in North Carolina . SCEMD has also put their preparedness level at OPCON 2, the second-highest level for the state of emergencies in SC .
Delpo-Djokovic clash in US Open 2018 finals
Juan Martin del Potro , of Argentina, reacts after Rafael Nadal , of Spain, retired from a match during the semifinals of the U.S. You could imagine very hard for me to say good-bye before the match finish. "It means the world to me obviously", he added.
Papadopoulos Sentenced To 14 Days In Prison
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SC reads down Section 377: What's allowed and what's not?
Dona Marwein, another participant, said the Supreme Court has chosen humanity and equal rights and removed the outdated law. Gay sex has always been taboo in conservative India - particularly in rural areas where homophobia is widespread.