Miami was a city in Florida on Earth. In 2070, an error in alignment in the Gravitron caused an abrupt change in the weather. In just over 30 minutes, clear skies and a heat wave ended and Hurricane Lucy arrived. (TV: The Moonbase [+]Kit Pedler, Doctor Who season 4 (BBC1, 1967).)
Behind the scenes[]
Location information
Though it's possible that a real world location doesn't exist in the same geographic space in the Doctor Who universe, such cases are few and far between. Thus, the map at right is probably a good indicator of the DWU location of Miami.