A tornado warning has been lifted for Miami-Dade County. A flood advisory warning has now been issued for parts of Miami-Dade and Broward counties.
The National Weather Service reported a tornado briefly touched ground Thursday at about 2:30 p.m. one mile west of Miami International Airport.
A second funnel cloud was spotted about 20 minutes later. There are also reports of a waterspout spotted off Miami Beach.
Authorities have canceled all tornado warnings.
Airport spokeswoman Maria Levrant says dozens of flights had been delayed and at least 31 had been canceled as of 4:40 p.m.
More than 100 flights were also delayed at Fort Lauderdale-Hollywood International Airport and six flights were canceled.