 The Atlantic hurricane season officially began on June 15 , 1955 . It was an above average season in which 13 tropical cyclones formed . In a typical season , about nine tropical storms develop , of which five strengthen to hurricane strength . All thirteen depressions attained tropical storm status , and eleven of these attained hurricane status . Six hurricanes further intensified into major hurricanes . The season was above average most likely because of an strong , ongoing La <unk> . Hurricane Alice developed in late December 1954 , but persisted into January 1955 , and was operationally analysed to have developed in the latter . Within the official hurricane season bounds , tropical cyclogenesis did not occur until July 31 , with the development of Tropical Storm Brenda . However , during the month of August , four tropical cyclones formed – including Connie , Diane , Edith , and an unnamed tropical storm . Five additional tropical cyclones – Flora , Gladys , Hilda , Ione , and Janet – all developed in September . Tropical cyclogenesis briefly halted until an unnamed tropical storm formed on October 10 . The final storm of the season , Katie , dissipated on October 19 , almost a month before the official end of hurricane season on November 15 . Eight hurricanes and two tropical storms made landfall during the season and caused 1 @,@ 603 deaths and $ 1 @.@ 1 billion in damage . 
