 The 1955 Atlantic hurricane season was , at the time , the costliest season ever recorded . The hurricane season officially began on June 15 , 1955 , and ended on November 15 , 1955 . It was slightly above average , with 13 recorded tropical cyclones . The first storm , Alice , had persisted since December 30 , 1954 . Alice caused relatively minor impact as it tracked through the Lesser Antilles and eastern Caribbean Sea in early January . Tropical Storm Brenda caused two deaths and minor damage along the Gulf Coast of the United States in early August . The quick succession of Hurricanes Connie and Diane caused significant flooding in the Northeastern United States , with nearly $ 1 billion ( 1955 USD ) in losses and at least 232 fatalities . The next three storms – Hurricanes Edith and Flora and Tropical Storm Five – caused very minor or no impact . In early August , Hurricane Gladys caused severe localized flooding in Mexico , primarily in Mexico City . Additionally , an <unk> of Gladys inflicted minor impact in Texas . 
