Mezue ahịrịokwu na-esonụ: Oké Ifufe Bavi, nke a maara na Philippines dị ka Oké Ifufe Betty, metụtara ifufe ndị na-efe efe n'Oké Osimiri Pacific ma bụrụkwa nke so kpata otu n'ime mgbanwe ifufe ndị kasị ike a hụtụrụla. A chọpụtara usoro a na mbụ dị ka ọgba aghara na-ekpo ọkụ n'oge Machị 8, 2015, mgbe ọ dị na ndịda ọwụwa anyanwụ nke Kwajalein Atoll na Marshall Islands. N'ime ụbọchị ole na ole sochirinụ, usoro ahụ kwagara n'ebe ugwu ọdịda anyanwụ site na Marshall Islands, tupu e kee ya dị ka oke mmiri ozuzo n'oge March 10. Usoro ahụ mechara kwaga n'ebe ugwu ọdịda anyanwụ wee gaa n'ihu na-emepe emepe, tupu e kee ya dị ka ajọ ifufe nke atọ nke afọ.
2015 Pacific typhoon oge na aha ya bụ Bavi site na Japan Meteorological Agency (JMA) n'oge March 11. Mgbe ọ na-aga n'ihu na-aga n'ebe ugwu ọdịda anyanwụ, usoro ahụ ruru oke dị ka oke mmiri ozuzo n'oge Machị 14, tupu ọ malite ịda mbà ka ọ na-abịaru nso na Mariana Islands. Usoro ahụ mechara gafee Guam n'ụbọchị na-esote, tupu ọ gaa n'ihu na-aga n'ihu n'ebe ọdịda anyanwụ-n'ebe ugwu ọdịda anyanwụ ka ọ na-ada mbà n'ike n'ike n'ime ụbọchị ole na ole sochirinụ. Usoro ahụ banyere na mpaghara Philippine nke ibu ọrụ, ebe PAGASA kpọrọ ya Betty n'oge Machị 17 ka usoro ahụ na-ada mbà n'ime oke mmiri. E mechara chọpụta nke ikpeazụ n'ọnwa Machị 21, ka ọ gbasasịrị na Philippines.