Typhoon Meranti Explained

Typhoon Meranti (Ferdie)
Formed:September 8, 2016
Dissipated:September 17, 2016
Winds:120
Pressure:890
Winds:170
Pressure:895
Basin:WPac
Year:2016
Fatalities:47
Damages:4792000000
Areas:Philippines, Taiwan, China, South Korea
Season:2016 Pacific typhoon season

Typhoon Meranti, known in the Philippines as Super Typhoon Ferdie, was one of the most intense tropical cyclones on record. Impacting the Batanes in the Philippines, Taiwan, as well as Fujian Province in September 2016, Meranti formed as a tropical depression on September 8 near the island of Guam. Tracking to the west northwest, Meranti gradually intensified until September 11, at which point it began a period of rapid intensification. Continuing to rapidly intensify, it became a super typhoon early on September 12, as it passed through the Luzon Strait, ultimately reaching its peak intensity on September 13 with 1-minute sustained winds of 315abbr=onNaNabbr=on. Shortly afterwards, it passed directly over the island of Itbayat. Meranti passed to the south of Taiwan as a super typhoon, and began weakening steadily as a result of land interaction. By September 15, it struck Fujian Province as a Category 2-equivalent typhoon, becoming the strongest typhoon on record to impact the province. Upon moving inland, rapid weakening ensued and Meranti became extratropical the next day, dissipating shortly afterwards after it passed to the south of the Korean Peninsula.

The island of Itbayat sustained a direct hit from the super typhoon near its peak intensity, severing communications from the island for several days. However, no fatalities were reported on the island. The typhoon caused 244.99 million (US$5.16 million) in damage on the island. However, the most costly and direct impacts were felt in eastern China, where 45 people were killed from floods. Total economic cost in China reached ¥31.78 billion (US$4.76 billion). In total, Meranti caused US$4.79 billion in damage and killed 47 people.

During its lifetime, Meranti broke or tied several meteorological records. With JTWC-estimated 1-minute sustained winds of 315abbr=onNaNabbr=on, Meranti is tied with Haiyan in 2013, Goni in 2020 and Surigae in 2021 as the strongest typhoon on record by wind speed. Additionally, in terms of 1-minute sustained winds, the storm's landfall on the island of Itbayat shortly after peak intensity ties it with Haiyan as the second strongest landfalling tropical cyclone on record, only behind Goni. The estimated pressure of 890mbar was also the lowest on record in the Western Pacific since Megi in 2010.

Meteorological history

On September 8, the Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert for an area of convection about 155km (96miles) west of Guam in the western Pacific Ocean. According to the agency, the circulation was rapidly consolidating alongside fragmented rainbands.[1] At 18:00 UTC that night, the Japan Meteorological Agency (JMA) classified the system as a tropical depression.[2] On the next day, the JTWC classified it as Tropical Depression 16W. By that time, the nascent system was moving slowly west-northwestward through a region of low wind shear, steered by ridges to the north and southwest. Increasing but fragmented convection, or thunderstorms, was fueled by unusually warm water temperatures and outflow from the south.[3] At 06:00 UTC on September 10, the JMA upgraded the depression to Tropical Storm Meranti,[4] which meandered over its own track while consolidating.[5]

Northerly wind shear shifted the deepest convection to the south of Meranti's circulation,[6] although rainbands and a central dense overcast continued to evolve as the wind shear decreased.[7] By early on September 11, the storm's movement was steady to the west-northwest, south of the ridge.[8] At 06:00 UTC that day, the JMA upgraded Meranti to typhoon status,[9] and shortly thereafter the JTWC followed suit.[10] The storm's structure continued to improve, with increased outflow.[11] A small eye 9km (06miles) across developed within the spiraling thunderstorms, signaling that Meranti was rapidly intensifying.[12] At 06:00 UTC on September 12, the JTWC upgraded Meranti to a super typhoon, with 1-minute maximum sustained winds of 240km/h.[13] Six hours later, the JTWC estimated 1-minute sustained winds of 285abbr=onNaNabbr=on, equivalent to Category 5 on the Saffir–Simpson scale, while noting "an extremely favorable environment", and that the eye became even more symmetric within intense convection.[14] Outflow enhanced by a strong anticyclone over Meranti fueled the intensification,[15] and the typhoon peaked in intensity on September 13 while passing through the Luzon Strait.

The JMA estimated peak 10-minute sustained winds of 220km/h and a minimum barometric pressure of 890 hPa (mbar; 26.28 inHg),[16] while the JTWC estimated peak 1-minute sustained winds of 315abbr=onNaNabbr=on.[17] Based on the JMA pressure estimate, Meranti was among the most intense tropical cyclones. The JTWC wind estimate made Meranti the strongest tropical cyclone by wind speed worldwide in 2016, surpassing Cyclone Winston, which had peak sustained winds of 285abbr=onNaNabbr=on when it struck Fiji in February.[18] Late on September 13, the storm made landfall on the 83km2 island of Itbayat in the Philippine province of Batanes shortly after attaining its peak intensity, with 1-minute sustained winds of 305km/h.[19] [20] A weather station on the island measured 10-minute sustained winds of 180km/h and a concurrent pressure of 933.6mbar around 17:00 UTC before being destroyed. Just south of Itbayat in Basco, sustained winds peaked at 144km/h, gusts reached 252km/h, and a minimum pressure of 935.4mbar was observed in the eyewall.[21]

At around 03:15 CST on September 15 (19:15 UTC on September 14), Meranti slammed into the Xiang'an District, Xiamen, Fujian, with measured 2-minute sustained winds of 173km/h,[22] making it the second strongest typhoon ever to make landfall in Fujian Province.[23]

Impact

Philippines

Meranti struck the northernmost Philippine province of Batanes at peak strength, passing directly over the island of Itbayat; the island was left isolated after communications were lost during the storm on September 14.[24] From text messages received by family members, residents in Itbayat reported their stone homes to be swaying during the height of the typhoon. Assessments as of September 17 indicated that 292 homes were destroyed and 932 were damaged across the Batanes. More than 10,000 people were affected by the storm, with many in dire need of water. A state of calamity was declared for the province on September 15. Total damage exceeded an approximate total of 244.99 million (US$5.16 million) as of September 24.[24]

Government relief efforts reached Itbayat on September 18, reporting no casualties on the island.[25]

Taiwan

At least two people were killed in Taiwan.[26] Nearly 1 million households lost power and 720,000 lost water supply.[27] Agricultural damage exceeded NT$850 million (US$26.8 million).[28] A small lighthouse in Taitung County collapsed and rough seas unmoored 10 vessels in Kaohsiung Harbor.

Mainland China

Typhoon Meranti wrought extensive damage across Fujian and Zhejiang provinces. In Fujian, the storm killed 18 people and left 11 others missing. Typhoon-force winds and flash floods caused tremendous damage, leaving ¥31.78 billion (US$4.76 billion) in economic losses and killed 45 people across East China.[29] In Fujian, the cities of Xiamen, Quanzhou and Zhangzhou were left paralyzed in Meranti's wake, while flash floods in Yongchun County destroyed an 871-year-old bridge that was classified as a protected heritage site.[30] [31] Flooding in Zhejiang claimed at least ten lives and left four others missing. At least 902 homes collapsed and 1.5 million people in the province were affected.[32]

Retirement

See also: List of retired Pacific typhoon names. During the 49th annual session from the ESCAP/WMO Typhoon Committee during February 2017, the name Meranti was retired from the rotating lists of names. In March 2018, the Typhoon Committee chose Nyatoh as its replacement name.[33]

See also

External links

Notes and References

  1. Joint Typhoon Warning Center. https://archive.today/20161027041549/http://www.wis-jma.go.jp/d/o/PGTW/Alphanumeric/Warning/Tropical_cyclone/20160908/053000/A_WTPN21PGTW080530_C_RJTD_20160908052732_73.txt. October 27, 2016. dead. September 8, 2016. September 13, 2016. Tropical Cyclone Formation Alert.
  2. Web site: RSMC Tropical Cyclone Advisory. Japan Meteorological Agency. September 12, 2016. https://archive.today/20240523095746/https://www.webcitation.org/6kOn9Edr2?url=http://gwydir.demon.co.uk/advisories/WWJP25-RJTD_201609081800.htm. May 23, 2024. dead.
  3. https://archive.today/20240523095712/https://www.webcitation.org/6kOmybnCP?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609082100.htm. May 23, 2024. Prognostic Reasoning for Tropical Depression 16W (Sixteen) Warning NR 001. Joint Typhoon Warning Center. September 8, 2016. September 12, 2016. dead.
  4. Web site: TS 1614 (Meranti) Upgraded from TD. Japan Meteorological Agency. September 12, 2016. https://archive.today/20240523095824/https://www.webcitation.org/6kQ6UxfVw?url=http://gwydir.demon.co.uk/advisories/WTPQ20-RJTD_201609100600.htm. May 23, 2024. dead.
  5. https://archive.today/20240523095712/https://www.webcitation.org/6kOmybnCP?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609082100.htm. May 23, 2024. Prognostic Reasoning for Tropical Depression 16W (Sixteen) Warning NR 002. Joint Typhoon Warning Center. September 9, 2016. September 12, 2016. dead.
  6. https://archive.today/20240523095633/https://www.webcitation.org/6kOmxIzDr?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609091500.htm. May 23, 2024. Prognostic Reasoning for Tropical Depression 16W (Sixteen) Warning NR 004. Joint Typhoon Warning Center. September 9, 2016. September 12, 2016. dead.
  7. https://archive.today/20240523095633/https://www.webcitation.org/6kOmxIzDr?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609091500.htm. May 23, 2024. Prognostic Reasoning for Tropical Storm 16W (Meranti) Warning NR 009. Joint Typhoon Warning Center. September 10, 2016. September 12, 2016. dead.
  8. https://archive.today/20240523100105/https://www.webcitation.org/6kRqZTTiV?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609110300.htm. May 23, 2024. Prognostic Reasoning for Tropical Storm 16W (Meranti) Warning NR 010. Joint Typhoon Warning Center. September 11, 2016. September 12, 2016. dead.
  9. Web site: TY 1614 (Meranti) Upgraded from TS. Japan Meteorological Agency. September 12, 2016. https://archive.today/20240523095945/https://www.webcitation.org/6kRpOANwq?url=http://gwydir.demon.co.uk/advisories/WTPQ20-RJTD_201609110600.htm. May 23, 2024. dead.
  10. https://archive.today/20240523095905/https://www.webcitation.org/6kRpgZMoE?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201609110900.htm. May 23, 2024. Tropical Storm 16W (Meranti) Warning NR 011. Joint Typhoon Warning Center. September 11, 2016. September 12, 2016. dead.
  11. https://archive.today/20240523100028/https://www.webcitation.org/6kRqZ6plT?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609111500.htm. May 23, 2024. Prognostic Reasoning for Tropical Storm 16W (Meranti) Warning NR 012. Joint Typhoon Warning Center. September 11, 2016. September 12, 2016. dead.
  12. https://archive.today/20240523100146/https://www.webcitation.org/6kSzUrVXt?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609120300.htm. May 23, 2024. Prognostic Reasoning for Typhoon 16W (Meranti) Warning NR 014. Joint Typhoon Warning Center. September 12, 2016. September 12, 2016. dead.
  13. https://archive.today/20240523100226/https://www.webcitation.org/6kSzUVxFD?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609120900.htm. May 23, 2024. Prognostic Reasoning for Typhoon 16W (Meranti) Warning NR 015. Joint Typhoon Warning Center. September 12, 2016. September 12, 2016. dead.
  14. https://archive.today/20240523100426/https://www.webcitation.org/6kUmUUZ6v?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609121500.htm. May 23, 2024. Prognostic Reasoning for Typhoon 16W (Meranti) Warning NR 016. Joint Typhoon Warning Center. September 12, 2016. September 12, 2016. dead.
  15. https://archive.today/20240523100346/https://www.webcitation.org/6kUmUA4TQ?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201609122100.htm. May 23, 2024. dead. Prognostic Reasoning for Typhoon 16W (Meranti) Warning NR 017. Joint Typhoon Warning Center. September 12, 2016. September 13, 2016.
  16. Web site: RSMC Tropical Cyclone Advisory . https://archive.today/20240523100306/https://www.webcitation.org/6kUm9MuAy?url=http://gwydir.demon.co.uk/advisories/WTPQ20-RJTD_201609131200.htm . May 23, 2024 . . September 13, 2016 . September 17, 2016 . dead .
  17. Web site: Tropical Cyclone Advisories. Various. Unisys Corporation. September 13, 2016.
  18. Web site: Bob Hensen. Jeff Masters. Taiwan, China Brace for Cat 5 Meranti; TS Ian Churns Through Open Atlantic. WeatherUnderground. September 13, 2016. September 13, 2016.
  19. Web site: Masters. Jeff. Winston's 180 mph Winds in Fiji: Southern Hemisphere's Strongest Storm on Record. Weather Underground. February 5, 2018.
  20. News: Smith. Nicola. Typhoon Meranti: fears for tiny Philippine island in eye of a megastorm. September 14, 2016. The Guardian. September 14, 2016. Taipei.
  21. Web site: Renito B. Paciente. PAGASA. Typhoon Committee. 2016. October 9, 2019. Tropical Cyclone Passage Report. PDF.
  22. Web site: zh:中央气象台15日3时20分发布台风登陆消息. http://www.nmc.cn/publish/typhoon/warning.html. National Meteorological Center. September 14, 2016. https://web.archive.org/web/20160914193505/http://www.nmc.cn/publish/typhoon/warning.html. September 14, 2016. zh-cn . September 14, 2016.
  23. Web site: Typhoon Meranti lashes China after pounding Taiwan. Sechylles News. Agence France-Presse. September 15, 2016.
  24. The Philippine National Disaster Risk Reduction and Management Council. September 24, 2016. September 24, 2016. SitRep No. 12 re Preparedness Measures and Effects of Typhoon FERDIE MERANTI. PDF.
  25. News: Tupaz. Voltaire. Zero casualty: Government reaches isolated Batanes island. September 18, 2016. Rappler. September 18, 2016.
  26. Web site: Death toll rises to 15 after typhoon batters China, Taiwan. September 17, 2016. CTVNews.
  27. News: Andrew V. Pestano. United Press International. September 15, 2016. September 17, 2016. Typhoon Meranti kills one, destroys historic bridge; thousands without power.
  28. News: Wendy Lee. Taiwan News. September 19, 2016. September 19, 2016. Agricultural losses from typhoon Meranti over NT$850 million.
  29. 1–2 . ESCAP/WMO Typhoon Committee . Member Report: China . CMA . ESCAP/WMO Typhoon Committee . October 27, 2016 . October 30, 2016 . http://www.typhooncommittee.org/11IWS/ . March 6, 2017 . https://web.archive.org/web/20170306093110/http://www.typhooncommittee.org/11IWS/docs/Members%20Report/2016%E5%B9%B4CHINA%20REPORT-10.24.pdf . dead .
  30. Web site: Eric Chaney and Sean Breslin. The Weather Channel. September 17, 2016. September 17, 2016. At Least 15 Dead, 14 Missing After Typhoon Meranti Slams Taiwan, China.
  31. News: Agence France-Presse. The Straits Times. September 16, 2016. September 17, 2016. Typhoon Meranti leaves 16 dead or missing in China, destroys ancient bridge.
  32. News: Economic Times. September 17, 2016. September 17, 2016. China braces for another typhoon after 'Meranti' kills 28 .
  33. Web site: Replacement Names of HAIMA, SARIKA, NOCK-TEN and MERANTI in the Tropical Cyclone Name List. February 21, 2018. ESCAP/WMO Typhoon Committee.