No more Greek letters for tropical storms. Names of destructive hurricanes Dorian, Laura, Eta and Iota to be retired
(Sun-Sentinel Miami Dolphins Blog)

The Greek alphabet won`t be used to name tropical storms any longer, and the names Dorian, Laura, Eta and Iota have been permanently retired by the World Meteorological Organization, following the tradition of avoiding the repetition of names of particularly destructive storms.