John Duke tries to figure out how to salvage his flooded vehicle in the wake Hurricane Irma Monday in Jacksonville, Fla.

This combination of satellite images shows Philipsburg, St. Maarten on Aug. 25, 2016, left, and on Monday, Sept. 11, 2017, right, after Hurricane Irma.The island known as St. Martin in English is divided between French Saint-Martin and Dutch Sint Maarten.

Several crosses stand surrounded by flood waters caused by Hurricane Irma, in the cemetery in Isabela de Sagua, Cuba, Monday. Cuban state media reported several deaths despite the country's usually rigorous disaster preparations. More than 1 million were evacuated from flood-prone areas.

A sailboat washed ashore at Watson Island in the Hurricane Irma aftermath Monday in Miami.

This combination of satellite images shows Codrington in Antigua and Barbuda on April 24, 2014, left, and on Friday, Sept. 8, 2017, right, after Hurricane Irma. Irma cut a path of devastation across the northern Caribbean, leaving thousands homeless after destroying buildings and uprooting trees.

Property damage is seen at a mobile home park after passing of Hurricane Irma in Naples, Florida.

Damaged houses are shown in the aftermath of Hurricane Irma, Monday in the Florida Keys.

Firefighters check on Kelly McClenthen, who returned Monday to check on the damage to her flooded home in Bonita Springs, a coastal city that lies between Naples to the south and Fort Meyers to the north.

A family arrives at Princes Juliana International Airport in Phillipsburg, where U.S. Air force units would evacuate several hundreds of American citizens, after the passage of Hurricane Irma, in St. Martin, Monday. Irma cut a path of devastation across the northern Caribbean, leaving thousands homeless after destroying buildings and uprooting trees.

Olga Teakell hugs her grandson Gabriel Melendez, 9, after he cut his finger on glass, while he and his brother Ellisha Melendez, 12, left, help clean debris from Olga's destroyed home, in the Naples Estates mobile home park, in the aftermath of Hurricane Irma in Naples, Fla., on Monday.

This combination of satellite images shows Providenciales, in Turks and Caicos Islands on Jan 1, 2016, left, and on Sunday, Sept. 10, 2017, right, after Hurricane Irma.

Local resident Michael Whitemore passes a swamped shrimp boat as he checks to see if a friend's boat survived at Lang's Marina after Hurricane Irma moved through Monday in St. Mary's, Ga.

A car lays wrecked on its side after the passage of Hurricane Irma, in Philipsburg, St. Martin, Monday.

This combination of satellite images shows Anse Marcel, in St. Martin on Aug. 25, 2016, left, and on Monday, Sept. 11, 2017, right, after Hurricane Irma.

Josh Minton, rides in the back of a pickup with his daughter Brooke 4, and son Aiden, 5, as they move belongings through the flooded neighborhood where they live after Hurricane Irma in Everglade City, Fla., Monday.

Debris lies on the ground of a gas station Monday in the Florida Keys.

Floodwaters surround a mailbox in Bonita Springs, Fla., in the aftermath of Hurricane Irma.