Dee ihe na-aga n'ihu maka paragraf a - Usoro a guzobere na nso ikpo okwu nke dị na ndịda ọwụwa anyanwụ nke Ponape ụbọchị ole na ole mgbe Thad gasịrị na Ọktọba 20. Usoro ahụ kwagara n'ebe ugwu ọdịda anyanwụ ruo n'ebe ugwu nke Ponape ka ọ na-amalite nwayọọ nwayọọ. Ọgba aghara ahụ siri ike n'ime oke mmiri ozuzo site na Ọktọba 22 na oke mmiri ozuzo na Ọktọba 23 n'agbanyeghi na ụfọdụ ugwu ọdịda anyanwụ sitere na Thad. Dị ka ajọ ifufe nta, Vanessa kwagara n'ebe ndịda Guam, ebe ifufe na-efesi ike na Nimitz Hill. Mmebi e mebiri n'àgwàetiti ahụ ruru nde US $ 1.7 (dollar 1984), nke ka ukwuu n'ihe ọkụkụ banana. Ka ọ na-aga n'ebe ọdịda anyanwụ-n'ebe ugwu ọdịda anyanwụ, Vanessa nọgidere na-esiwanye ike, na-aghọ ajọ ajọ ifufe. Super Typhoon Vanessa bụ ajọ ifufe kachasị ike n'oge a, na-eru oke ifufe na-aga n'ihu na-aga n'ihu na mmiri na-emeghe nke West Pacific. N'oge ọ kachasị, o nwere nrụgide nke 880 mb, naanị 10 millibars dị elu karịa Typhoon Tip nke setịpụrụ ndekọ
nke 1979. N'ime awa iri anọ na asatọ, ọ̀tụ̀tụ̀ nrụgide ya dara 100 mb. Oké ifufe ahụ mere ọzọ n'October 27 na October 28 ka ihu igwe oyi na-abịaru nso site n'ebe ugwu ọdịda anyanwụ. Vanessa jiri nwayọ jikọta ya na oke ihu, na-aghọ oke ifufe nke oke ifufe na ngwụcha Ọktọba 30.