The name Alpha or Alfa has been used for three
subtropical cyclone
A subtropical cyclone is a weather system that has some characteristics of both tropical and an extratropical cyclone.
As early as the 1950s, meteorologists were uncertain whether they should be characterized as tropical or extratropical cyclo ...
s and one
tropical cyclone
A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Dep ...
in the Atlantic Ocean:
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Subtropical Storm Alpha (1972)
Subtropical Storm Alpha (also called Alfa) was an off-season subtropical cyclone that hit Georgia in May 1972. It developed from a previously non-tropical cyclone in the western Atlantic Ocean, and initially it moved northeastward off the Caroli ...
, pre-season storm that made landfall in Georgia
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Subtropical Storm Alfa (1973)
The 1973 Atlantic hurricane season was the first season to use the Saffir–Simpson hurricane scale, a scale developed in 1971 by Herbert Saffir and Robert Simpson to rate the intensity of tropical cyclones. The season produced 24 tropical a ...
, briefly threatened Cape Cod but stayed out to sea
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Tropical Storm Alpha (2005)
Tropical Storm Alpha was the 23rd tropical or subtropical storm of the extremely active 2005 Atlantic hurricane season. It developed from Tropical Depression Twenty-Five in the eastern Caribbean Sea on October 22, 2005. As the 21 pre-des ...
, moderately strong tropical storm that made landfall in the Dominican Republic before being absorbed by Hurricane Wilma
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Subtropical Storm Alpha (2020)
Subtropical Storm Alpha was the first subtropical or tropical cyclone ever observed to make landfall in mainland Portugal. The twenty-second tropical or subtropical cyclone and twenty-first named storm of the extremely active and record-break ...
, short-lived subtropical storm that made landfall in Portugal
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Atlantic hurricane set index articles