page_title: Typhoon Tembin
section_title: Meteorological history
hierarchical_section_title: Typhoon Tembin / Meteorological history
caption_attribution_description: English: Track map of Typhoon Tembin of the 2017 Pacific typhoon season. The points show the location of the storm at 6-hour intervals. The colour represents the storm's maximum sustained wind speeds as classified in the Saffir–Simpson scale (see below), and the shape of the data points represent the nature of the storm, according to the legend below. Saffir–Simpson scale Tropical depression≤38 mph≤62 km/h Category 3111–129 mph178–208 km/h Tropical storm39–73 mph63–118 km/h Category 4130–156 mph209–251 km/h Category 174–95 mph119–153 km/h Category 5≥157 mph≥252 km/h Category 296–110 mph154–177 km/h Unknown Storm type Tropical cyclone Subtropical cyclone Extratropical cyclone / Remnant low / Tropical disturbance / Monsoon depression
context_page_description: Typhoon Tembin, known in the Philippines as Typhoon Vinta, was the deadliest tropical cyclone to strike Mindanao since Typhoon Bopha in 2012. Following and impacting the Philippines less than a few days after the deadly Tropical Storm Kai-tak, Tembin, which means Libra in Japanese, the twenty-seventh named storm and the eleventh typhoon of the 2017 Pacific typhoon season. It was first classified as a weak tropical depression on December 16. The system gradually intensified and consolidated into a tropical storm on December 20. Tembin made landfall in Mindanao late the next day. On December 23, Tembin followed a path towards the South China Sea and intensified into a typhoon early the following day. Quick intensification ensued and Tembin reached its peak intensity as a low-end Category 2 typhoon as assessed by the Joint Typhoon Warning Center on December 24. Unfavorable conditions enhanced by the winter monsoon caused Tembin to rapidly weaken shortly afterwards, before it ultimately dissipated on December 26 while just south of Vietnam.
  Tembin caused a total of 266 deaths, five of which were from a sinking of a ferry due to rough seas caused by the storm.
context_section_description: During December 14, the United States Joint Typhoon Warning Center (JTWC) started to publicly monitor a tropical disturbance that had developed about 620 km (385 mi) to the south-southeast of Chuuk State. At this time, the disturbance had a broad low-level circulation center, while atmospheric convection surrounding the system was poorly organized. Over the next couple of days, the disturbance gradually developed further as it moved west-northwestwards within an area of favorable conditions for further development, including low vertical wind shear and warm sea surface temperatures of 30–31 °C (86–88 °F). During December 16, the Japan Meteorological Agency (JMA) classified the disturbance as a weak tropical depression, however they reclassified it as an area of low pressure during the following day.
  During December 20, the JMA reclassified the system as a tropical depression, after atmospheric convection had started to wrap into the low-level circulation center (LLCC). By this time the system was located about 85 km (55 mi) to the northwest of Melekeok, Palau, and moving northwestwards along the subtropical ridge towards Mindanao in the Philippines. Later the same day, the JTWC and PAGASA also classified the system as a tropical depression with the latter naming it as Vinta.  Not long after, the JMA upgraded the system to a tropical storm and named it Tembin.
  On December 21, satellite imagery revealed formative banding wrapping around Tembin's LLCC amid an environment of low to moderate vertical wind shear and warm waters of 29 °C (84 °F). Noting this increase in organization, the JTWC upgraded the system to a tropical storm as well. By 12:00 UTC, the JMA found that Tembin had intensified further to a severe tropical storm. Three hours later, the JTWC reported 1-minute sustained winds had increased to 75 km/h (45 mph). Later, the PAGASA announced that Tembin made landfall in Cateel, Davao Oriental around 17:45 UTC. Within the JTWC's next advisory on 21:00 UTC, they mentioned that feeder bands was wrapping in a central dense overcast feature that was obscuring its LLCC. While Tembin traversed Mindanao, convection warmed and the storm slightly weakened, and the JMA downgraded the system back to a tropical storm at 03:00 UTC on December 22. However, Tembin strengthened back into a severe tropical storm several hours later, just after making its second landfall near Balabac, Palawan. Following the course of Severe Tropical Storm Linda, impact in Vietnam and the Mekong Delta was presumed. As a weak late-season tropical cyclone, Tembin dissipated near Cape Ca Mau on December 26.
caption: Map plotting the track and the intensity of the storm, according to the Saffir–Simpson scale
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