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Typhoon Xangsane

Typhoon Xangsane (international designation: 0615, JTWC designation: 18W, PAGASA name: Typhoon Milenyo) was a deadly typhoon that affected the Philippines, Vietnam, and Thailand during the 2006 Pacific typhoon season. It was the fifteenth tropical storm and ninth typhoon recognized by the Japan Meteorological Agency operationally during the season, although in post-operational analysis it became the tenth typhoon of the season with the addition of Typhoon Maria. According to the Joint Typhoon Warning Center, Xangsane was the sixteenth tropical storm and tenth typhoon of the season, and was a Category 4-equivalent typhoon in terms of 1-minute average wind speeds. The name Xangsane was submitted by Laos and means elephant.[4]

Typhoon Xangsane (Milenyo)
Typhoon (JMA scale)
Category 4 (Saffir–Simpson scale)
Typhoon Xangsane 27 sept 2006.jpg
Xangsane east of the Philippines on September 27
FormedSeptember 25, 2006
DissipatedOctober 1, 2006
Highest winds10-minute sustained: 175 km/h (110 mph)
1-minute sustained: 230 km/h (145 mph)
Lowest pressure935 mbar (hPa); 27.61 inHg
FatalitiesAt least 312 total[1][2][3]
Damage$750 million (2006 USD)
Areas affectedPhilippines, Hainan, Vietnam, Cambodia, Thailand
Part of the 2006 Pacific typhoon season

Xangsane made landfall in the Philippines, battering the northern islands with torrential rains and strong winds, and causing widespread flooding and landslides. After passing over Manila and emerging over the South China Sea, the typhoon made a second landfall in central Vietnam, also causing flooding and landslides there and in Thailand. The storm was responsible for at least 279 deaths, mostly in the Philippines and Vietnam, and at least $747 million (2006 USD) in damage.[1][5][6]

Meteorological history

 
Storm path

Late on September 24, 2006, the Joint Typhoon Warning Center, noted that an area of convection, had persisted about 460 NM to the southeast of Manila, in the Philippines.[7] The JTWC assessed the development of a significant Tropical cyclone, as fair.[7] This was because convection was beginning to flare up near a developing Low Level Circulation Center, the JTWC also noted that the disturbance had a broad circulation.[7] Early the next day both the Japan Meteorological Agency and the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) designated the Tropical disturbance as a Tropical Depression with PAGASA assigning the local name of Tropical Depression Milenyo, to the depression.[8][9] Later that morning the JTWC reassessed the potential of the disturbance forming into a significant tropical Cyclone within 24 hours as good, and issued a Tropical Cyclone Formation Alert on the developing disturbance.[10] Early that afternoon the JTWC started to issue advisories on the disturbance and designated it as Tropical Depression 18W.[10] Later that day the JTWC upgraded as the depression moved towards the west it was upgraded to a Tropical Storm by the JTWC.[11] Early on September 26 the JMA also upgraded the depression to a tropical storm, and assigned the international name of Xangsane.[12]

Later on September 26, the JMA upgraded Xangsane to a severe tropical storm, whilst six hours later both the JMA and the JTWC upgraded Xangsane to typhoon with the JTWC reporting wind speeds equivalent to a category one typhoon.[12][13] Early the next day Xangsane was upgraded to a category 2 typhoon and then over the next six hours Xangsane rapidly intensified into a category 4 typhoon with wind speeds of 115 kts (130 mph, 215 km/h).[14] Meanwhile the JMA reported that Xangsane had reached its peak wind speeds of 85 kts (100 mph, 155 km/h).[12] Early that afternoon the JTWC reported that Xangsane, had reached its peak wind speeds of 125 kts (145 mph, 230 km/h).

Xangsane then passed through the Philippine islands, wreaking havoc and becoming the strongest typhoon to directly impact Metro Manila in eleven years.[15] As it entered the South China Sea as a weak typhoon, it began to re-intensify, reaching its secondary peak strength shortly before landfall at Danang, Vietnam on October 1. The JTWC ceased advisories after landfall, while the JMA carried the storm inland until it was over Thailand as a tropical depression. It remained as a low pressure area over central Indochina on the JMA's weather charts for several days, while the U.S. Navy's Automated Tropical Cyclone Forecasting system carried the remnants of Xangsane into the Bay of Bengal.[source?]

Preparations

Philippines

 
Provinces of the Philippines in which public storm signals were raised for preparations against Typhoon Milenyo.

On September 27, PAGASA issued Storm Signal Number 3, a warning for winds of 100– 185 km/h (62– 115 mph), for areas of southern Luzon. Storm Signal Number 2, for winds of 60– 100 km/h (37– 62 mph), was raised for northern Samar Island and central Luzon. Storm Signal Number 1 (30– 60 km/h, 20– 37 mph) was issued for northwestern Luzon, including Metro Manila, and northern Visayas, including the rest of Samar Island. Schools in the warned area were suspended, and airports and seaports were closed. Philippine Airlines cancelled over half of its flights to and from Ninoy Aquino International Airport for September 28, and various transit services also suspended service.[16] Metro Manila and the Tagalog provinces were warned of possible flooding and strong winds.[17]

When it became clear that Xangsane would approach the Capital, PAGASA upgraded the warning for Manila and central Luzon to Storm Signal Number 3 on September 28. All the storm signals were discontinued later that day.[18]

Typhoon Xangsane Media

  • TRMM image showing Xangsane's well-defined eyewall prior to its first landfall

  • Xangsane inland over eastern Indochina

  • A passenger bus is crushed by a billboard structure along EDSA at the Magallanes interchange in Makati.

References

  1. ↑ 1.0 1.1 Xinhua News Agency (2006-10-06). Typhoon, flood claim 71 lives in central Vietnam. ReliefWeb. http://www.reliefweb.int/rw/RWB.NSF/db900SID/VBOL-6UBDD7?OpenDocument. Retrieved 2006-10-08. 
  2. ↑ Agence France-Presse (2006-10-04). Philippines still assessing damage from typhoon Xangsane. ReliefWeb. http://www.reliefweb.int/rw/RWB.NSF/db900SID/KHII-6U98TF?OpenDocument&rc=3&emid=TC-2006-000144-PHL. Retrieved 2006-10-08. 
  3. ↑ Agence France-Presse (2006-10-03). Typhoon death toll nears 250 in Vietnam, Philippines. ReliefWeb. http://www.reliefweb.int/rw/RWB.NSF/db900SID/VBOL-6U8DWE?OpenDocument&rc=3&cc=phl. Retrieved 2006-10-08. 
  4. ↑ RSMC Tokyo - Typhoon Center. "List of names for tropical cyclones adopted by the Typhoon Committee for the western North Pacific Ocean and the South China Sea". Japan Meteorological Agency. Retrieved 2006-10-08.
  5. ↑ Government of the Philippines (2006-10-04). "NDCC media update effects of Typhoon "Milenyo" (Xangsane) - 04 Oct 2006". ReliefWeb. Retrieved 2006-10-09.
  6. ↑ Viet Bao (2006-10-01). 48 người chết vì bão Xangsane - 01 Oct 2006. Viet Bao Viet Nam. http://vietbao.vn/The-gioi/Tin-the-gioi/10978087/153/48-nguoi-chet-vi-bao-Xangsane.vn. Retrieved 2006-10-19. [dead link]
  7. ↑ 7.0 7.1 7.2 "ABWP10 24-09-2006 23z". Joint Typhoon Warning Center. Retrieved 2008-12-23.[dead link]
  8. ↑ Philippine Atmospheric, Geophysical and Astronomical Services Administration. "PAGASA Tropical Cyclone Warning Log:Millenyo". David Michael V. Padua. Retrieved 2008-12-23.
  9. ↑ "JMA WWJP25 Warning 25-09-06 00z". Japan Meteorological Agency. Retrieved 2008-12-23.[dead link]
  10. ↑ 10.0 10.1 "Annual Tropical Cyclone Report 2006". Joint Typhoon Warning Center. 2007. Archived from the original on 2011-06-07. Retrieved 2008-12-23.
  11. ↑ "JTWC Advisory 25-09-2006 21z". Joint Typhoon Warning Center. Retrieved 2008-12-23.[dead link]
  12. ↑ 12.0 12.1 12.2 "Annual Report on Activities of the RSMC Tokyo - Typhoon Center 2006". Japan Meteorological Agency. 2007. Archived from the original on 2011-06-07. Retrieved 2008-12-23.
  13. ↑ "JTWC Advisory 26-09-2006 21z". Joint Typhoon Warning Center. Retrieved 2008-12-23.[dead link]
  14. ↑ "JTWC best track: Xangsane". Joint Typhoon Warning Center. 2007. Archived from the original on 2011-06-07. Retrieved 2008-12-23.
  15. ↑ Rivera, Blanche (2006-09-29). Typhoon batters Metro Manila, Bicol. INQ7. http://newsinfo.inq7.net/inquirerheadlines/nation/view_article.php?article_id=23757. Retrieved 2006-10-08. 
  16. ↑ NAIA shuts down, flights cancelled. Manila Times. 2006-09-29. Archived from the original on October 3, 2006. https://web.archive.org/web/20061003073009/http://www.manilatimes.net/national/2006/sept/29/yehey/top_stories/20060929top4.html. Retrieved 2006-10-10. 
  17. ↑ Milenyo could hit Metro Manila - PAGAS. INQ7. 2006-09-27. http://newsinfo.inq7.net/breakingnews/metroregions/view_article.php?article_id=23460. Retrieved 2006-10-07. 
  18. ↑ PAGASA (2006-09-28). "Severe weather bulletin - number 12". ReliefWeb. Retrieved 2006-10-07.

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