CentralNotice From Wikipedia, the free encyclopedia Jump to: navigation , search Hurricane Isabel , as seen from the International Space Station in September 2003. The list of Category 5 Atlantic hurricanes encompasses 32 tropical cyclones that reached Category 5 strength on the Saffir–Simpson hurricane wind scale within the Atlantic Ocean (north of the equator ), Caribbean Sea and Gulf of Mexico . Hurricanes of such intensity are somewhat infrequent in the Atlantic basin, occurring only once every three years on average. Only five times—in the 1932 , 1933 , 1961 , 2005 , and 2007 hurricane seasons—has more than one Category 5 hurricane formed. Only in 2005 have more than two Category 5 hurricanes formed, and only in 2007 has more than one made landfall at Category 5 strength. [1] 1 Background 2 Systems 3 Listed by month 4 Landfalls 5 See also 6 Refe...