Pedzisa mutsara unotevera: Dutu reTropical Bavi, rinozivikanwa muPhilippines seDutu reTropical Betty, rakapesvedzera mhepo dzinotengesa pamusoro pePacific Ocean uye rakanga riine mutoro wokumwe kwokuchinja kwemhepo dzinotengesa kwakasimba zvikuru kwakambocherechedzwa. Hurricane iyi yakatanga kuzivikanwa seimwe dutu rakaitika musi waMarch 8, 2015, ichiri kumaodzanyemba kwakadziva kumabvazuva kweKwajalein Atoll muMarshall Islands. Mumazuva mashomanana akatevera gadziriro yacho yakafamba kuchamhembe kwakadziva kumadokero ichipfuura neMarshall Islands, isati yasarudzwa sedutu rinopisa mukati maMarch 10. Hurongwa uhu hwakazotamira kuchamhembe kwakadziva kumadokero uye hwakaramba huchienderera mberi, husati hwaverengerwa sedutu rechitatu rematropiki remwaka.
2015 Pacific dutu mwaka uye zita rokuti Bavi kubudikidza Japan Meteorological Agency (JMA) panguva March 11. Pashure pokuenderera mberi nokufamba kwayo kuchamhembe kwakadziva kumadokero, gadziriro yacho yakava dutu guru romunzvimbo dzinopisa mukati maMarch 14, isati yatanga kuderera sezvo yakasvika kuMariana Islands. Hurongwa uhu hwakapfuura nepamusoro peGuam zuva rakatevera, husati hwaenderera mberi nekufamba kwaro kumavirira-kuchamhembe kwakadziva kumadokero sezvo zvishoma nezvishoma hwakaderera mumazuva mashoma akatevera. Hurongwa hwacho hwakapinda munzvimbo yePhilippine, kwayakatumidzwa zita rekuti Betty nePAGASA musi wa17 Kurume apo hurongwa hwacho hwakaderera kuva dutu rinopisa. Hurongwa uhu hwakapedzisira kuonekwa musi wa21 Kurume, pawakapfuura nepamusoro pePhilippines.