Tropical Storm Rai (2016) Explained

Tropical Storm Rai
Formed:September 11, 2016
Dissipated:September 13, 2016
Winds:35
Pressure:996
Winds:30
Pressure:1000
Fatalities:14 total
Damages:74000000
Areas:Vietnam, Laos, Thailand, Cambodia
Season:2016 Pacific typhoon season

Tropical Storm Rai was a weak and short-lived tropical cyclone which affected Indochina in September 2016. Formed from a tropical disturbance on September 11, the system developed into a tropical storm (on the JTWC scale) and reached its peak intensity on September 12, before making landfall in Vietnam and affecting Laos, Thailand and Cambodia. In Vietnam total damage reached US$73.96 million.

Meteorological history

During September 11, the Japan Meteorological Agency started to monitor a tropical depression, that had developed within an unfavourable environment for further development, about 860round=5NaNround=5 to the northeast of Ho Chi Minh City, Vietnam.[1] [2] The system had a broad low level circulation centre, with unorganized deep convection located along the southern edge of the system.[2] During that day the system gradually developed further, before the Joint Typhoon Warning centre initiated advisories and classified it as Tropical depression 19W during the next day.

By the next day, the JTWC upgraded the system to a tropical depression with the given designation of 19W.[3] Satellite then showed that the LLCC of 19W was broad and defined with some deep convective banding.[4] However, its LLCC became exposed, though its deep convection remained in place.[5] Hours later, the JMA had declared that 19W had strengthened into a tropical storm, with the name Rai.[6] Although it has strengthened, the JTWC issued its final advisory without upgrading it to a tropical storm, whilst Rai made landfall over Central Vietnam, about 94 km (59 mi) southeast of the city of Da Nang.[7] According to the JMA, Rai reached its maximum intensity only as a weak tropical storm over land,[8] however they issued their last advisory and was downgraded into a tropical depression six hours later.[9]

Preparations and impact

On late September 12, Tropical Storm Rai, known in Vietnam as Cơn bão số 4 (the 4th storm in 2016), made landfall in Quảng Nam Province and Quảng Ngãi Province in Central Vietnam.[10] The storm killed 14 people in Vietnam.[11] Heavy rains in Central Vietnam caused flooding and the bursting of the Bung River 2 hydroelectricity plant in Quảng Nam province of Vietnam, which released 28 million cubic meters of water and washed away 2 workers.[12] Damage from the bursting was ₫5 billion (US$224,000).[13] Four ships were sunk along central Vietnam's coastline and 2 others were left stranded, while 5 houses were completely destroyed and the roofs of 275 others were torn off.[14] Total damages caused by Rai amounted to ₫1,649 billion (US$73.96 million).[15]

On September 13, the Thai Meteorological Department issued a warning to people in 34 provinces in the North, Northeast and East to brace for heavy rain and stay tuned for weather updates, when Tropical Storm Rai moved through Laos and Thailand.[16] [17]

See also

External links

Notes and References

  1. Tropical Storm Rai . RSMC Tropical Cyclone Best Track . October 30, 2016 . May 23, 2024 . October 24, 2016 . Japan Meteorological Agency . https://archive.today/20240523005813/https://www.webcitation.org/6lUgqdJCy?url=http://gwydir.demon.co.uk/advisories/AXPQ20-RJTD_201610240000.htm . live .
  2. Web site: Significant Tropical Weather Advisory for the Western and South Pacific Oceans September 11, 2016 00z . United States Joint Typhoon Warning Center . September 11, 2016 . https://archive.today/20240523005138/https://www.webcitation.org/6kRr8IPPR?url=http://gwydir.demon.co.uk/advisories/ABPW10-PGTW_201609110000.htm . May 23, 2024 . dead .
  3. Web site: Tropical Depression 19W (Nineteen) Warning Nr 001 . September 12, 2016 . Joint Typhoon Warning Center . live . https://archive.today/20240523005217/https://www.webcitation.org/6kT1MA5aC?url=http://gwydir.demon.co.uk/advisories/WTPN34-PGTW_201609120300.htm . May 23, 2024 .
  4. Web site: Prognostic Reasoning for Tropical Depression 19W (Nineteen) Warning Nr 01 . September 12, 2016 . Joint Typhoon Warning Center . live . https://archive.today/20240523005402/https://www.webcitation.org/6kT1Vas03?url=http://gwydir.demon.co.uk/advisories/WDPN34-PGTW_201609120300.htm . May 23, 2024 .
  5. Web site: Prognostic Reasoning for Tropical Depression 19W (Nineteen) Warning Nr 02 . September 12, 2016 . Joint Typhoon Warning Center . live . https://archive.today/20240523005450/https://www.webcitation.org/6kT1VEz10?url=http://gwydir.demon.co.uk/advisories/WDPN34-PGTW_201609120900.htm . May 23, 2024 .
  6. Web site: TS 1615 RAI (1615) UPGRADED FROM TD . September 12, 2016 . May 23, 2024 . Japan Meteorological Agency . live . https://archive.today/20240523005732/https://www.webcitation.org/6kUoVPaJS?url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201609121800.htm .
  7. Web site: Tropical Depression 19W (Rai) Warning Nr 004 . September 12, 2016 . May 23, 2024 . Joint Typhoon Warning Center . live . https://archive.today/20240523005532/https://www.webcitation.org/6kUojagRG?url=http://gwydir.demon.co.uk/advisories/WTPN34-PGTW_201609122100.htm .
  8. Web site: TS 1615 RAI (1615) . September 13, 2016 . Japan Meteorological Agency . live . https://archive.today/20240523005652/https://www.webcitation.org/6kUoUgyzO?url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201609130000.htm . May 23, 2024 .
  9. Web site: TD DOWNGRADED FROM TS 1615 RAI (1615) . September 13, 2016 . Japan Meteorological Agency . live . https://archive.today/20240523005611/https://www.webcitation.org/6kUoTjE82?url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201609130600.htm . May 23, 2024 .
  10. Web site: Ngôi nhà phố phảng phất nét cổ xưa mộc mạc .
  11. Web site: Bão số 4 khiến 12 người chết, 27 người bị thương.
  12. Web site: Dam burst sweeps 2 people away in Vietnam. September 14, 2016. World Bulletin. 17 September 2016.
  13. Web site: Tích cực khắc phục thiệt hại do sự cố thủy điện Sông Bung 2. 17 September 2016.
  14. Web site: 7 injured, 280 houses damaged as Storm Rai crosses central Vietnam. September 14, 2016. September 17, 2016. Tuổi Trẻ.
  15. http://phongchongthientai.mard.gov.vn/FileUpload/2019-08/PcUlNnBeEWxflgyd2016-00.%20Thiet%20hai%20nam%202016_31.12.2017_ra%20soat%20cap%20nhat.pdf 2016 VIETNAM REPORT
  16. News: 34 provinces on alert as storm Rai covers Thailand. Bangkok Post.
  17. Web site: National News Bureau Of Thailand Tropical Storm Rai continues to bring heavy rain to Thailand . thainews.prd.go.th . dead . https://web.archive.org/web/20160915192208/http://thainews.prd.go.th/website_en/news/news_detail/WNSOC5909140010028 . 2016-09-15.

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