Typhoon Saudel Explained

Typhoon Saudel (Pepito)
Formed:October 18, 2020
Dissipated:October 25, 2020
Winds:65
Pressure:975
Winds:75
Pressure:975
Basin:Wpac
Year:2020
Fatalities:None
Damages:15200000
Areas:Philippines, South China, Vietnam
Season:2020 Pacific typhoon season

Typhoon Saudel, known in the Philippines as Typhoon Pepito, was a typhoon that affected the Philippines, Vietnam and Southern China in October 2020. It was seventeenth tropical storm and seventh typhoon of the 2020 Pacific typhoon season. The name Saudel was used for the first time, replacing Typhoon Soudelor in 2015, which caused serious damage in Taiwan and Mainland China. Saudel formed from a tropical disturbance east of the Philippines. The disturbance gradually organized and crossed the Philippines as a tropical storm. Once the system emerged into the South China Sea, it began to rapidly organize and intensify, becoming a typhoon early on October 22.

Saudel flooded roads and buildings in the Philippines. It also affected Vietnam, which has been devastated by flooding caused by multiple tropical systems, although no damage was reported. Strong winds and high seas were recorded off the coast of Malaysia, prompting a tropical cyclone advisory to be issued. In Hainan, China, winds gusted at up to 130 km/h (80 mph). The total damage caused by Saudel is estimated to be more than $15 million.[1]

Meteorological history

At 15:00 UTC on October 16, the Joint Typhoon Warning Center (JTWC) began tracking an area of atmospheric convection, or thunderstorms, approximately 463nmi east-southeast of Palau.[2] On October 18 at 21:00 UTC, PAGASA upgraded the system to a tropical depression, and named the system Pepito.[3] A few hours later, the Japan Meteorological Agency (JMA) also recognized the system as a tropical depression,[4] and subsequently issued their first warning.[5] On October 20, as the system intensified while approaching northern Luzon, the JMA upgraded the system into a tropical storm and named the system Saudel.[6] PAGASA followed suit later that day.[7] Saudel made landfall over the San Ildefonso Peninsula in Casiguran, Aurora on October 20 at 13:00 UTC (21:00 PHT) and began crossing Luzon, emerging over the South China Sea hours later.[8] [9] As the storm left the Philippine Area of Responsibility, the developing system was upgraded to a typhoon by the JMA, the JTWC, and PAGASA in their final bulletin for the system.[10] [11] [12] Saudel continued to gain strength gradually, and during 3:00 UTC on October 23, it reached its peak intensity, with the JTWC estimating 1-minute sustained winds of 100 mph (160 km/h), making the system a low-end category 2 typhoon,[13] However, this intensity was short-lived, and at 9:00 UTC JTWC downgraded Saudel to a category 1 typhoon. As it approached Vietnam, it began to rapidly weaken due to high vertical wind shear and was downgraded to a tropical storm on October 24.[14] The next day, it was downgraded to a remnant low as its center became mostly devoid of any deep convection.[15]

Preparations and impact

Philippines

After PAGASA declared Saudel a tropical storm, the agency issued Signal #2 tropical cyclone warnings in preparation for the storm's landfall.[16] Prior to making landfall, Signal #2 was raised in 10 provinces and in parts of 4 provinces.[17] In Quezon, many streets were flooded and people used boats for transport. A total of 6,000 people were evacuated.[18] 335 people were displaced in Aurora Province. Rain from Saudel caused water levels to rise in Binga Dam in Benguet Province, prompting authorities to release water from the facility.[19] In Quezon, numerous homes and schools were also damaged. Heavy rains caused a concrete wall to collapse at the Siain Elementary School in Buenavista, Quezon. In addition, Sumulong Elementary School in Calauag was again flooded, several days after Tropical Depression Ofel flooded the school. Rice fields were damaged from floods, and many farmers lost their crops.[20] Many bridges in the Cagayan Valley became impassable after Saudel hit.[21]

Immediately after the storm, Provincial Disaster Risk Reduction and Management Offices and Municipal Disaster Risk Reduction and Management Offices conducted damage assessments. 13 towns, 36 barangays, and 457 families with a total of 1,576 individuals were affected by the storm. At least 25 evacuation centers were open, with 295 families or 935 individuals.[21] As of October 24, the NDRRMC has calculated a total damage of about ₱105.8 million (US$2.18 million).[22]

China

Saudel was the seventeenth storm to hit China or its territories in 2020. The storm brought strong winds on the Qiongzhou Strait, forcing ships to stop service at 05:00 UTC on October 23. All passenger trains to and from Hainan stopped running due to the storm.[23] The CMA issued a yellow alert, the third-highest level of alerts on its system, for Hainan.[24] A peak wind gust of 130 km/h (80 mph) was recorded.[25] The storm, along with the seasonal monsoon, also brought strong winds to Hong Kong.[26]

Elsewhere

See also: 2020 Central Vietnam floods. Vietnam was already dealing with severe flooding from tropical systems Linfa, Nangka, and Ofel when Typhoon Saudel affected the region.[25]

The storm also caused strong winds and rough seas over waters off the Malaysian state of Sabah, where the Malaysian Meteorological Department (MetMalaysia) had issued a tropical storm advisory, with the storm being around 1,315 kilometers northwest of Kudat.[27]

See also

Notes and References

  1. Web site: Global Catastrophe Recap . October 2020 . thoughtleadership.aon.com . November 13, 2020 . November 12, 2020 . https://web.archive.org/web/20201112110151/http://thoughtleadership.aon.com/documents/20201111_analytics-if-october-global-recap.pdf . live .
  2. Web site: October 16, 2020. Significant Tropical Weather Advisory for the Western and South Pacific Ocean. dead. https://web.archive.org/web/20200518171103/https://www.wis-jma.go.jp/d/o/PGTW/Alphanumeric/Analysis/Miscellaneous/20200513/180000/A_ABIO10PGTW131800_C_RJTD_20200513171946_85.txt. May 18, 2020. October 16, 2020. Joint Typhoon Warning Center.
  3. Web site: October 18, 2020. Severe Weather Bulletin #8 on Tropical Depression "Pepito". dead. https://web.archive.org/web/20200828050055/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf. August 28, 2020. October 18, 2020. PAGASA.
  4. Web site: October 19, 2020. Tropical Cyclone Information. dead. https://web.archive.org/web/20201019020409/https://www.jma.go.jp/en/typh/a.html. October 19, 2020. October 19, 2020. Japan Meteorological Agency.
  5. Web site: October 19, 2020. Tropical Depression 19W (Nineteen) Warning No. 1. live. https://web.archive.org/web/20201019034850/https://www.metoc.navy.mil/jtwc/products/wp1920web.txt. October 19, 2020. October 19, 2020. Joint Typhoon Warning Center.
  6. Web site: October 20, 2020. Tropical Cyclone Information. dead. https://archive.today/20201020040332/http://www.jma.go.jp/en/typh/2017.html. October 20, 2020. October 20, 2020. Japan Meteorological Agency.
  7. Web site: October 20, 2020. Severe Weather Bulletin #8 on Tropical Storm "Pepito" (Saudel). dead. https://web.archive.org/web/20201020040543/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf. October 20, 2020. October 20, 2020. PAGASA.
  8. Web site: October 21, 2020. Severe Weather Bulletin #12 for Tropical Storm "Pepito" (Saudel). dead. https://archive.today/20201021011322/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin/SWB%252312.pdf. October 21, 2020. October 21, 2020. PAGASA.
  9. Web site: October 21, 2020. Severe Weather Bulletin #15 for Tropical Storm "Pepito" (Saudel). dead. https://web.archive.org/web/20201021011758/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf. October 21, 2020. October 21, 2020. PAGASA.
  10. Web site: October 22, 2020. Tropical Cyclone Information. dead. https://archive.today/20201022045555/https://www.jma.go.jp/en/typh/2017.html. October 22, 2020. October 22, 2020. Japan Meteorological Agency.
  11. October 22, 2020. warn. TY. 19W. 13. Saudel. https://www.metoc.navy.mil/jtwc/products/wp1920web.txt. live. 2020-10-19. https://web.archive.org/web/20201019034850/https://www.metoc.navy.mil/jtwc/products/wp1920web.txt. Alt URL
  12. Web site: October 22, 2020. Severe Weather Bulletin #19-FINAL for Typhoon "Pepito" (Saudel). dead. https://web.archive.org/web/20201022050013/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf. October 22, 2020. October 22, 2020. PAGASA.
  13. Web site: 2020-10-26. Automated Tropical Cyclone Forecasting System Track File for Typhoon 22W (Saudel). live. https://web.archive.org/web/20201206144209/https://www.ssd.noaa.gov/PS/TROP/DATA/ATCF/JTWC/bwp192020.dat. 2020-12-06. 2020-12-06. National Oceanographic and Atmospheric Administration.
  14. 2020-10-24. prog. TS. 19W. 21. Saudel. https://www.metoc.navy.mil/jtwc/products/wp1920prog.txt. live. 2020-10-19. https://web.archive.org/web/20201019043403/https://www.metoc.navy.mil/jtwc/products/wp1920prog.txt. Alt URL
  15. Web site: October 25, 2020. Tropical Depression Saudel warning NR 028. live. October 19, 2020. October 25, 2020. Joint Typhoon Warning Center. https://web.archive.org/web/20201019034850/https://www.metoc.navy.mil/jtwc/products/wp1920web.txt.
  16. Web site: October 20, 2020. Severe Weather Bulletin #8 on Tropical Storm "Pepito" (Saudel). dead. https://web.archive.org/web/20201020040543/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf. October 20, 2020. October 20, 2020. PAGASA.
  17. October 20, 2020. Pepito. Saudel. swb. 12. TS. http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin/SWB%2312.pdf. https://web.archive.org/web/20201022000000/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin/SWB%2312.pdf. October 22, 2020. Alt URL
  18. Web site: Tropical Storm Saudel lashes Philippines, heads for Vietnam. October 22, 2020. www.aljazeera.com. en. January 26, 2021. https://web.archive.org/web/20210126131345/https://www.aljazeera.com/news/2020/10/21/after-philippines-tropical-storm-saudel-heads-for-vietnam. live.
  19. Web site: Philippines – Tropical Storm "Saudel" Prompts Evacuations – FloodList. October 28, 2020. December 3, 2020. https://web.archive.org/web/20201203080805/http://floodlist.com/asia/philippines-tropical-storm-saudel-october-2020. live.
  20. Web site: IN PHOTOS: Tropical Storm Pepito floods parts of Luzon. October 28, 2020. October 28, 2020. https://web.archive.org/web/20201028130636/https://www.rappler.com/moveph/photos-tropical-storm-pepito-flood-several-parts-luzon. live.
  21. Web site: Pepito leaves bridges impassable in Cagayan . October 21, 2020 . www.ptvnews.ph . October 28, 2020 . November 1, 2020 . https://web.archive.org/web/20201101034927/https://ptvnews.ph/pepito-leaves-bridges-impassable-in-cagayan/ . live .
  22. Web site: SitRep no. 05 re Preparedness Measures and Effects for TY PEPITO . October 24, 2020 . NDRRMC . October 25, 2020 . October 27, 2020 . https://web.archive.org/web/20201027003133/http://ndrrmc.gov.ph/attachments/article/4129/Update_on_SitRep_No5_re_Preparednes_Measures_and_Effects_of_TY_PEPITO_as_of_24Oct2020_8AM.pdf . live .
  23. Web site: Typhoon Saudel lashes south China. October 29, 2020. December 26, 2021. https://web.archive.org/web/20211226063000/https://www.beijingnews.net/news/266768511/typhoon-saudel-lashes-south-china. live.
  24. Web site: China renews yellow alert for Typhoon Saudel. October 29, 2020. December 26, 2021. https://web.archive.org/web/20211226063031/https://www.taipeinews.net/news/266785678/china-re-yellow-alert-for-typhoon-saudel. live.
  25. Web site: Tropical Storm Saudel threatens to unleash more rain across flood-weary Vietnam . Adam . Douty . October 22, 2020 . www.accuweather.com . October 29, 2020 . October 29, 2020 . https://web.archive.org/web/20201029172743/https://www.accuweather.com/en/hurricane/tropical-storm-saudel-threatens-to-unleash-more-rain-across-flood-weary-vietnam/835156 . live .
  26. Web site: 天氣稿第113號－發出/取消熱帶氣旋警告信號. 香港天文台. October 22, 2020. October 22, 2020. zh-hk. October 26, 2020. https://web.archive.org/web/20201026234933/https://www.info.gov.hk/gia/wr/202010/22/P2020102200646.htm. live.
  27. Web site: MetMalaysia issues advisory on Saudel tropical storm. Kong. Joash. The Borneo Post. October 24, 2020. October 29, 2020. https://web.archive.org/web/20201029011635/https://www.theborneopost.com/2020/10/24/metmalaysia-issues-advisory-on-saudel-tropical-storm/. October 29, 2020. live.

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