Dee ihe na-aga n'ihu maka paragraf a - Usoro iheomume a na-edekọ ihe niile mere n'oge oke ifufe Pacific nke 2015
Ọ dị mma. Ihe ka ọtụtụ n'oké ifufe ndị na-efe n'ebe okpomọkụ na-akpụ n'agbata May na November. Akụkụ a na-emetụta oke osimiri Pacific, n'ebe ugwu nke equator n'etiti 100 ° E na International Date Line. Ọ bụ Ụlọ Ọrụ Japan Na-ahụ Maka Ihu Ígwé (JMA) na-elekọta ebe a a na-akpọ Ebe Ọdịda Anyanwụ Pacific. Ha na-akwado ma na-arụ ọrụ Regional Specialized Meteorological Center (RSMC), nke dị na Tokyo. Ụlọ ọrụ na-ahụ maka ihu igwe na Japan (JMA) na-ahụkwa maka inye aha n'oké ifufe niile na-etolite na ndagwurugwu ahụ. Agbanyeghị, oke mmiri ọ bụla nke na-abanye ma ọ bụ na-etolite na Mpaghara Ibu Ọrụ Philippines (PAR) ga-akpọ aha (ma ọ bụ gbanwee aha) site na Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) na-eji aha mpaghara. Ihe ọzọ e kwesịrị iburu n'uche bụ na Ụlọ Ọrụ Na-ahụ Maka Ịdọ Aka ná Ntị Banyere Oké Ifufe nke United States (JTWC) na-enyocha ebe ọdịda anyanwụ Pacific, bụ́ nke na-enye oké ifufe nile na-efe n'ebe okpomọkụ nọmba nke nwere ngwụcha "W".