Hurricane Hattie was the strongest and deadliest tropical cyclone of the 1961 Atlantic hurricane season, reaching a peak intensity equivalent to that of a Category 5 hurricane. The ninth tropical storm and seventh hurricane and major hurricane of the season, Hattie originated from an area of low pressure that strengthened into a tropical storm over the southwestern Caribbean Sea on October 27. Moving generally northward, the storm quickly became a hurricane and later major hurricane the following day. Hattie then turned westward west of Jamaica and strengthened into a Category 5 hurricane, with maximum sustained winds of . It weakened to Category 4 before making landfall south of Belize City on October 31. The storm turned southwestward and weakened rapidly over the mountainous terrain of Central America, dissipating on November 1.