It has been hard to get detailed information on the condition of island chain where Irma first came ashore over the weekend because communication and access were cut off by the storm's arrival as a Category 4 hurricane. Communications were cut off for much of Monday, which restricted the flow of information.
The system has maximum sustained winds of 50 miles per hour while moving 17 miles per hour north-northwest over Georgia.
Numerous evacuation orders extended until at least Monday due in part to flooding, massive power outages and downed electric lines, leaving residents unable to return to their homes to survey any damage.
The tropical storm, which stretched about 650 miles east to west, was affecting at least nine states, causing rain from eastern MS to the Carolinas.
On Sunday, Mayor Kasim Reed briefed the media on the city's preparations for the storm.
But the damage was widespread, with 6.5 million homes and businesses without power in Florida on Monday.
Melissa Stehr's husband took this picture of her wading through the streets of Charlotte, South Carolina, per CNN.
On Tuesday morning, the remnants of Irma were blowing through Alabama and MS after drenching Georgia.
Authorities sent an aircraft carrier and other Navy ships to Florida to help with search-and-rescue operations Monday as a flyover of the hurricane-battered Keys yielded what the governor said were scenes of devastation.
During its march up Florida's west coast, Irma swamped homes, uprooted trees and flooded streets.
"Power lines are down throughout the state".
Power Outages Continue To Drop In Georgia After Irma
Georgia Power reported about 50 customers in western Butts County were without power. Don't step in standing water or saturated ground where downed lines may be present .
A third death in SC has been attributed to Hurricane Irma. A 62-year-old man who was on his roof was killed in Worth County, which experienced wind gusts of 69 miles per hour, according to Kannetha Clem, a spokeswoman for the Worth County Sheriff's Office. Fifty-seven-year-old Charles Saxon was killed Monday afternoon by a tree limb while clearing debris outside his home in Calhoun Falls.
A stunning 13 million Florida residents were without electricity - two-thirds of the state's residents - as sweltering tropical heat returned across the peninsula following the storm.
In Forsyth County, a female passenger died after a downed tree struck her vehicle, the sheriff's office said.
In Charleston, waters in the harbor peaked at almost 10 feet high, the SC city's third-highest reading, topping Hurricane Matthew in 2016, said CNN meteorologist Taylor Ward.
It was worse than last year's Category 5 Matthew, which sat just off shore, because Irma grew to an enormous 415 miles (670 kilometers) wide, Luettich said. More than 100,000 customers were without power in Georgia and over 80,000 in SC. Duke Energy reported the biggest problems with 100,000 customers without service.
Jacksonville and the rest of the east coast, on the other hand, got the northeast brunt of the storm, where winds, surge and rainfall are at the strongest.
Charleston officials are asking people to stay away from the Battery downtown as crews clean up from 4 feet of storm surge. The city's Memorial Park has turned into an unrecognizable lake.
Irma hit the United States soon after Hurricane Harvey, which ploughed into Houston late last month, killing about 60 and causing some $US180 billion ($A224 billion) in damage, largely through flooding. The National Hurricane Center said a federal tide gauge in Naples reported a more than 2-meter rise in water levels in just 90 minutes late Sunday.
Most recent September 11 shots of Hurricane Jose. It was the first Category 4 landfall in Florida since 2004.
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