1964 Atlantic hurricane season
Approaching the east coast of Florida, Dora's motion became erratic, making a few cyclonic loops. Around 04:00 UTC on September 10, the hurricane made landfall near St. Augustine, Florida, with winds of . Two hours later, Dora weakened to a Category 2 hurricane. However, deterioration then slowed, with the hurricane falling to tropical storm intensity on September 11. Dora then briefly drifted over southwestern Georgia, until turned east-northeastward late the next day. Early on September 14, the storm re-emerged into the Atlantic Ocean near Cape Hatteras, North Carolina, and became extratropical several hours later. The remnants of Dora moved rapidly northeastward and dissipated offshore Newfoundland early on September 16.
Hurricane Dora
In American Beach, which was once an African-American beach community established by Abraham Lincoln Lewis, many of its historical buildings were damaged or destroyed. Additionally, several homes and businesses were also affected or demolished. Some homes were swept away in Fernandina Beach, while the foundations of several other dwellings were threatened. Approximately 40 residences were damaged or destroyed. At Fort Clinch, located near the northern tip of Amelia Island, the exterior of the fort was severely impacted by erosion. Throughout Nassau County, Dora destroyed about 50 homes and damaged 500 others, while 25 small businesses were either demolished or suffered major impact.