<P> A total of 33 recorded tropical cyclones have reached Category 5 strength on the Saffir--Simpson hurricane wind scale in the Atlantic Ocean north of the equator, the Caribbean Sea, and the Gulf of Mexico . Hurricanes of such intensity occur once every three years in this region on average . </P> <P> Only six times--in the 1932, 1933, 1961, 2005, 2007, and 2017 hurricane seasons--has more than one Category 5 recorded hurricane formed . Only in 2005 have more than two Category 5 hurricanes formed, and only in 2007 and 2017 did more than one make landfall at Category 5 strength . </P> <Table> <Tr> <Td_colspan="7"> Saffir--Simpson hurricane wind scale </Td> </Tr> <Tr> <Td> TD </Td> <Td> TS </Td> <Td> C1 </Td> <Td> C2 </Td> <Td> C3 </Td> <Td> C4 </Td> <Td> C5 </Td> </Tr> </Table>

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