Sumter County Coroner Robert Baker Jr. said 54-year-old William McBride was pronounced dead Tuesday of carbon monoxide poisoning. He worked with the Forestry and Beautification Division of the city's Public Works Department.
During its march up Florida's west coast, Irma swamped homes, uprooted trees and flooded streets.
A third death was reported in Worth County.
It was worse than last year's Category 5 Matthew, which sat just off shore, because Irma grew to an vast 415 miles (670 kilometers) wide, Luettich said. And the governor said damage on the southwest coast, including in Naples and Fort Myers, was not as bad as feared.
The mayor says right now it's their plan to keep Hartsfield-Jackson Airport open but adds the airport is in discussions with the FAA and its partners. His wife had called 911 saying he'd had a heart attack.
Officials have declared a flash flood emergency in Charleston, South Carolina.
Public Safety Director Leroy Smith said 21-year-old Zhen Tain died in the crash on Interstate 77 south of Columbia around 3:15 p.m. Monday. Firefighters later took her to the hospital. But by the time it struck in the middle of the night Monday its winds were 100 miles per hour (161 kph) or less.
Governments in Britain, France and the Netherlands, which oversee Caribbean territories hit by Irma, have come under criticism for an ill-prepared and slow response to the historic storm.
Gov. Henry McMaster says he is looking forward to getting SC back to normal after Irma moved past. By Tuesday, the worst of the damage appeared to be in the Upstate, which made up about half of the state's outages.
Authorities say about 160 roads are closed in 22 counties, but the only serious damage is to the causeway that carries U.S. Highway 21 from Beaufort to the barrier islands.
Evacuated residents in the Florida Keys, where Irma first made landfall early Sunday, have yet to be able to return home because of the extensive damage. Monday offered a mixed forecast for Miami-Dade County - gusts of winds of up to 50 miles per hour in the early morning hours, with a sunny upper 80s temperature day predicted and the possibility of showers and thunderstorms.
"In the vehicle, they found two adults and two small children, ages 6 months and 10 months old", the police said.
Online traffic maps already showed a 10-mile (16-kilometer) backup reaching almost into North Carolina. The second hurricane ending up veering north towards the mid-Atlantic, sparing the United States and islands like St. Martin and St. Barts, who had already suffered catastrophic damage from Irma.
"Anyone who didn't heed the evacuation orders here in Miami Beach, it's time to bunker down", Van Dam said.
"It's a show but not a catastrophic event", said Roberto Cuneo, an Italian living in Miami Beach who decided not to flee.
"They're shoving people back to a place with no resources", he said by telephone. The populations of the other islands ranged from several hundred to a few dozen. As of 5 a.m. Monday, about 355 miles northeast of the Grand Turk Island.
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.