The Miami skyline is seen in the background as boys fish ahead of the arrival of Hurricane Irma in Miami Beach, Florida. Adrees Latif / Reuters
Dark clouds are seen over Miami's skyline prior to the arrival of Hurricane Irma to south Florida. Carlos Barria / Reuters
A woman walks along South Beach prior to the arrival of Hurricane Irma to south Florida, in Miami. Carlos Barria / Reuters
Miami Beach Police Department officers speak at an intersection ahead of the arrival of Hurricane Irma in Miami. Adrees Latif / Reuters
The Miami skyline is seen ahead of the arrival of Hurricane Irma in Miami Beach, Florida. Adrees Latif / Reuters
Boats clustered together after Hurricane Irma. The death toll from Hurricane Irma has risen to 22 as the storm continues its destructive path through the Caribbean. The dead include 11 on St Martin and St Barts, four in the US Virgin Islands and four in the British Virgin Islands. There was also one each in Barbuda, Anguilla, and Barbados. The toll is expected to rise as rescuers reach some of the hardest-hit areas. Caribbean Buzz via AP
The Miami skyline is seen in the background as a boy fishes ahead of the arrival of Hurricane Irma in Miami Beach, Florida. Adrees Latif / Reuters
In this Tuesday, August 28, 2012 file photo, waves from the Santa Rosa Sound crash over the Navarre Beach causeway in Navarre, Florida, as Isaac approaches the Gulf Coast. The National Hurricane Center warns that the worst damage from 2017's Hurricane Irma could be from storm surge that could top 12 feet high in some areas of the Florida coast. Nick Tomecek / Northwest Florida Daily News via AP
A lone pedestrian walks through the usually bustling South Beach ahead of Hurricane Irma in Miami Beach. Florida has asked 5.6 million people to evacuate ahead of Hurricane Irma, or more than one quarter of the state's population, according to state emergency officials. David Goldman / AP Photo
The Miami skyline is seen in the background as boys fish ahead of the arrival of Hurricane Irma in Miami Beach, Florida. Adrees Latif / Reuters
Dark clouds are seen over Miami's skyline prior to the arrival of Hurricane Irma to south Florida. Carlos Barria / Reuters
A woman walks along South Beach prior to the arrival of Hurricane Irma to south Florida, in Miami. Carlos Barria / Reuters
Miami Beach Police Department officers speak at an intersection ahead of the arrival of Hurricane Irma in Miami. Adrees Latif / Reuters
The Miami skyline is seen ahead of the arrival of Hurricane Irma in Miami Beach, Florida. Adrees Latif / Reuters
Boats clustered together after Hurricane Irma. The death toll from Hurricane Irma has risen to 22 as the storm continues its destructive path through the Caribbean. The dead include 11 on St Martin and St Barts, four in the US Virgin Islands and four in the British Virgin Islands. There was also one each in Barbuda, Anguilla, and Barbados. The toll is expected to rise as rescuers reach some of the hardest-hit areas. Caribbean Buzz via AP
The Miami skyline is seen in the background as a boy fishes ahead of the arrival of Hurricane Irma in Miami Beach, Florida. Adrees Latif / Reuters
In this Tuesday, August 28, 2012 file photo, waves from the Santa Rosa Sound crash over the Navarre Beach causeway in Navarre, Florida, as Isaac approaches the Gulf Coast. The National Hurricane Center warns that the worst damage from 2017's Hurricane Irma could be from storm surge that could top 12 feet high in some areas of the Florida coast. Nick Tomecek / Northwest Florida Daily News via AP
A lone pedestrian walks through the usually bustling South Beach ahead of Hurricane Irma in Miami Beach. Florida has asked 5.6 million people to evacuate ahead of Hurricane Irma, or more than one quarter of the state's population, according to state emergency officials. David Goldman / AP Photo
The Miami skyline is seen in the background as boys fish ahead of the arrival of Hurricane Irma in Miami Beach, Florida. Adrees Latif / Reuters