Mezue ahịrịokwu na-esonụ: Mgbasawanye nke mmiri na-asọba n'elu mmiri n'ebe dị ala nke na-ekpuchi Caroline Islands na September 28. Nnyocha e mere gosiri ịdị adị nke ikuku na-adịghị ike n'ebe ndịda ọdịda anyanwụ Guam n'oge ahụ, nke ga-aghọ Oké Ifufe Roger. N'abalị atọ n'ọnwa Ọktoba, a haziri usoro ahụ n'ime Tropical Depression 21W, nke emesịrị kwalite ya na oke mmiri ozuzo ma kpọọ ya "Roger" n'abalị anọ n'ọnwa Ọktoba. A na-adọta mmiri siri ike site na equator n'ime mgbasa nke Roger, na-egbochi mmepe nke ọgba aghara na ọwụwa anyanwụ nke ga-aghọ
Oké Ifufe Tip. Oké ifufe nke na-efega n'ebe ndịda ọwụwa anyanwụ mere ka Roger gaa n'ebe ugwu ọdịda anyanwụ. Roger meziri cyclonic loop n'ụbọchị ise nke ọnwa Ọktoba. Oké ifufe ahụ nọgidere na-aga n'ebe ugwu ọdịda anyanwụ ruo n'ebe ugwu nke ugwu ugwu ahụ, mgbe nke ahụ gasịrị, ọ tụgharịrị n'ebe ugwu-n'ebe ugwu ọwụwa anyanwụ. Roger mechara bụrụ oke ifufe n'abalị asaa n'ọnwa Ọktoba, ka ọ jikọtara ya na ihu igwe oyi na ndịda Japan.