Definitions for "1964 Atlantic hurricane season"
The 1964 Atlantic hurricane season officially began on June 1, 1964, and lasted until November 30, 1964. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. The season was slightly above average, with twelve total storms and six hurricanes; unusually, all six of the hurricanes strengthened into major (Category 3) storms.