A mandatory evacuation is now in effect for all of Miami Beach and parts of the mainland including Brickell and Downtown.
Irma is the biggest threat to Miami for decades.
Residents appear to be taking the warnings about Hurricane Irma seriously. Although the storm isn’t forecast to hit for days, streets in Miami Beach are already empty.
Mandatory evacuation was expanded September 7 to Brickell and downtown, including all of zones A, B and part of C with 650,000 affected: