Severe weather in Miami spawned one confirmed tornado and is disrupting air travel.

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 were no immediate reports of damage.

Authorities have canceled all tornado warnings, but no planes were taking off or landing at Miami International Airport due to poor visibility.

Airport spokeswoman Maria Levrant says dozens of flights have been delayed and at least four have been canceled.

(AP)