Tropical cyclogenesis began late, with Hurricane Arlene developing on July 31. Another system formed in August, Hurricane Beulah. September was much more active, with an unnamed tropical storm, as well as hurricanes Cindy, Debra, Edith, and Flora all developing in that month. Flora was the most intense tropical cyclone of the season, peaking as a Category 4 hurricane with winds of 145 mph (230 km/h) and a minimum barometric pressure of . There were two other system in October, Hurricane Ginny and Tropical Storm Helena; the latter dissipated on October 29.