As of 2100 AEST on Sunday, the hurricane was centred about 25km south-southeast of Key West, Florida, and was moving northwest at 13km/h. We won't have hurricane force winds in the state, but tropical storm force winds are possible for parts of the state. Meanwhile, authorities have sent an aircraft carrier and other Navy ships to Florida to assist in search-and-rescue operations amid reports of devastation in the Keys, which felt Irma's full fury when it blew ashore Sunday as a Category 4 hurricane. An overall storm-surge warning for the bay area is set until later this evening.
Officials have declared a flash flood emergency in Charleston, South Carolina.
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The storm engulfed almost all of Florida, from the state's southernmost point up to the Georgia line, from the Atlantic coast to the Gulf side.
Once Irma makes landfall, the storm is expected to decrease in intensity after it makes contact with the southwest Florida coast, and then weaken as it moves north over the western Florida coast and into the panhandle.
"[Trump] called to stress the federal government's willingness to help in any way it can when the storm reaches Tennessee", Haslam spokeswoman Jennifer Donnals told the Nashville Tennessean.
The NHC has put out a hurricane warning and a tropical storm warning stretching through nearly all of Florida into Georgia and SC - an area where more than 20 million people live.
Several of the Orlando, Florida, theme parks that are popular with tourists around the world have plans to reopen now that Hurricane Irma has moved out of the state.
In the dark: According to state officials, more than 50,000 customers are without power in Monroe County, Florida, which includes the Keys.
The warnings pertained mostly to communities along the St. Johns River, where storm surges were expected to push water four to six feet above normal high-tide levels.
Darby says the Edisto Beach is "under water", with power lines and trees down.
It cut a devastating track across 10 Caribbean countries and territories, killing at least 28 people there.
At least five deaths were reported from the storm in Florida.