when?
September 7, 1954.
Hurricane Edna
Hurricane Edna originated in an easterly tropical wave which modern research has estimated to have spawned a tropical depression east of the Caribbean Sea on September 2, 1954. 
where did hurricane edna hit? The United States East Coast
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Hurricane Edna [SEP] Meteorological history
Hurricane Edna originated in an easterly tropical wave which modern research has estimated to have spawned a tropical depression east of the Caribbean Sea on September 2, 1954. The low pressure area was not observed in real time until several days later, on September 5, while situated between Puerto Rico and The Bahamas. Near the disturbance, a ship reported heavy squalls and wind gusts to . Additionally, the island of Puerto Rico experienced torrential rainfall in association with the storm. Operationally, the system was not recognized to have organized into a tropical cyclone until September 6; it is listed in the Atlantic hurricane database as achieving tropical storm intensity early on September 4.