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 Seminole County, wind damage was mainly limited a to downed power lines, electrical poles, and trees, some of which fell on homes and blocked streets, particularly in Altamonte Springs, Geneva, and Sanford. Two deaths occurred on September 9 when a helicopter being evacuated from the storm crashed near Sanford, killing two Navy personnel. Farther south, storm surge and above normal tides caused the loss of about of sand in Fort Pierce. Winds in the area left some power outages and toppled a steel, concrete sign at a courthouse.