Pedzisa mashoko anotevera: Musi waDecember 28, dutu rinonzi Tropical Depression 23W rakaitika kumadokero kwechitsuwa chePalau. PAGASA yakatumidzawo gadziriro yacho kuti "Seniang". Maawa mashomanana gare gare, gadziriro yacho yakanga yakakurumidza kurongwa uye yairangarirwa sedutu rinopisa, rine zita rokuti "Jangmi". Pakazosvika December 29, Jangmi akasvika pamhenderekedzo yeguta reHinatuan mudunhu reSurigao del Sur uye kwenguva pfupi akasvika pakakwirira pesimba rake achirongedza mhepo dzakakwirira dze2. Dutu racho rakayambuka nharaunda yeCaraga, ndokubva rabuda panyika yeMindanao sezvo gadziriro yacho yakanga yava kuneta zvishoma nezvishoma. Zuva rakatevera racho, Jangmi akasvika kuCebu uye kumaodzanyemba kweNegros, JTWC isati yaidzikisa kuva dutu. Masangano ose akaita nyevero yawo yokupedzisira pana Jangmi pana January 1, 2015, sezvo
Mwaka wemadutu womuPacific wa2015 watanga.