 Of the thirty tropical storms formed in 1986 in the Western Pacific ( from 32 tropical depressions ) , 19 reached typhoon intensity , and three reached super typhoon strength . Broken down by month , one tropical cyclone formed in February , one in April , two in May , three in June , three in July , seven in August , three in September , four in October , six in November , and two forming in December . Vera was considered two tropical cyclones by the Joint Typhoon Warning Center after the fact , though it was operationally treated as one system , and Georgette , was a former Eastern Pacific cyclone . Eight tropical cyclones moved through the Philippines this season , while three struck mainland China , one struck Korea , and one crossed the Japanese coast . Peggy and Wayne accounted for a majority of the death toll this season . Tropical cyclones accounted for 35 percent of the annual rainfall in Hong Kong this year . 
