Meteorological history | |
---|---|
Formed | September 25,2006 |
Dissipated | October 2,2006 |
Very strong typhoon | |
10-minute sustained (JMA) | |
Highest winds | 155 km/h (100 mph) |
Lowest pressure | 940 hPa (mbar);27.76 inHg |
Category 4-equivalent typhoon | |
1-minute sustained (SSHWS/JTWC) | |
Highest winds | 230 km/h (145 mph) |
Lowest pressure | 916 hPa (mbar);27.05 inHg |
Overall effects | |
Fatalities | >312 |
Damage | $750 million (2006 USD) |
Areas affected | Philippines,China,Vietnam,Thailand,Cambodia |
IBTrACS | |
Part of the 2006 Pacific typhoon season |
Typhoon Xangsane,known in the Philippines as Typhoon Milenyo,was a typhoon that affected the Philippines,Vietnam,and Thailand during the 2006 Pacific typhoon season. The name Xangsane was submitted by Laos and means elephant. [1]
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 312 deaths,mostly in the Philippines and Vietnam,and at least US$747 million in damage. [2] [3] [4]
The nucleus of Typhoon Xangsane originated from a disturbance embedded within the monsoon trough to the east of the Philippines. On September 23, a persistent area of convective thunderstorms was observed about 100 mi (160 km) northwest of Palau, in an environment favorable to tropical cyclogenesis. [5] The Japan Meteorological Agency (JMA) declared the formation of a tropical depression at 00:00 UTC on September 25. [6] Simultaneously, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) began releasing warnings in relation to the tropical depression with the local name Milenyo. [5] The Joint Typhoon Warning Center (JTWC; a joint United States Navy – Air Force agency that monitors tropical cyclones globally) issued a Tropical Cyclone Formation Alert around the same time, designating the disturbance Tropical Depression 18W at 12:00 UTC. [7] The system quickly organized as it drifted westward, and according to both the JMA and the JTWC, it attained tropical storm intensity near 00:00 UTC on September 26. Consequently, it received the international name Xangsane. [6] [7] The name was submitted by Laos and means "elephant". [5]
The storm began to accelerate in forward speed and shift its direction toward the west-northwest, attaining typhoon intensity at 18:00 UTC on September 26. [6] At the time, it was centered about 390 mi (630 km) east-southeast of Manila, the capital city of the Philippines. Over the next several hours, Xangsane rapidly intensified as it approached the archipelago; [5] the JMA estimates that the typhoon achieved its maximum 10-minute sustained winds of 155 km/h (96 mph) early on September 27, with a corresponding central pressure of 940 millibars (28 inHg ). [6] According to the JTWC, the typhoon peaked with 1-minute winds of 230 km/h (140 mph), corresponding to Category 4 strength on the Saffir–Simpson hurricane wind scale. [7] The center of the powerful storm skirted the northern coast of Samar and continued west-northwestward. [6] With a well-defined eye evident on visible satellite imagery, [8] Xangsane struck southern Luzon around 12:00 UTC, and remained over the Philippines for the next day or so. [5] [6] Due to extensive interaction with land, the typhoon's structure deteriorated, and the JMA downgraded it to a severe tropical storm early on September 28. [6] Xangsane traveled over the Manila area early on September 28 before entering the South China Sea and turning due west, steered by the subtropical ridge to its north over mainland China. [5] [9]
Over open waters, the system encountered conditions favorable for renewed intensification, including warm sea surface temperatures, light vertical wind shear, and strong upper-level divergence. [9] As a result, it reattained typhoon status by 18:00 UTC on September 28. Continued strengthening yielded a secondary peak on September 29, marked by 10-minute winds of 150 km/h (93 mph), according to the JMA, [6] and 1-minute winds of 215 km/h (134 mph) as ascertained by the JTWC. [7] Tracking westward at around 17 km/h (11 mph), [10] Xangsane maintained its intensity until it neared Vietnam, when dry air and land interaction began to slowly diminish the typhoon on September 30. [7] [10] Just after 00:00 UTC on October 1, the system made landfall along the central coast of Vietnam, near Da Nang. [5] At the time, Xangsane was a low-end typhoon, with 10-minute winds of 130 km/h (81 mph). [11] The storm quickly declined in force as it progressed inland through Indochina: it weakened to a severe tropical storm around 12:00 UTC, and to a tropical storm six hours later. [6] Although the JTWC issued its final warning on Xangsane just after landfall, the agency continued to track the storm until 00:00 on October 2. [7] At the same time, the JMA downgraded Xangsane to a tropical depression; it dissipated later that day, over Thailand. [6]
Island | Fatalities | Injuries |
---|---|---|
Philippines | 196 | 300 |
Vietnam | 80 | 100 |
Thailand | 48 | — |
Total | 312 | 400 |
Sources cited in text. |
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. [12] Metro Manila and the Tagalog provinces were warned of possible flooding and strong winds. [13]
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. [14]
Prior to Xangsane's final landfall, the Vietnamese government set up a steering committee headed by Deputy Prime Minister Nguyễn Sinh Hùng to oversee evacuations and storm preparations throughout central Vietnam. [15] Provincial and local authorities evacuated over 300,000 people from low-lying areas along the coast from Hà Tĩnh to Phú Yên, as well as hilly areas prone to landslides. The Vietnamese government also ordered about 2,400 boats, including 273 fishing boats, to return to port. [16] Vietnam Airlines, the national airline, cancelled or diverted all flights on September 30 and October 1. [17] These efforts were carried out in order to prevent a repeat of the damage and fatalities caused by Typhoon Chanchu earlier in the season. [18]
Although Xangsane had weakened considerably over land, residents of northern Thailand were advised of the threat of flooding from the remnant low of Xangsane as it approached. The Department of Disaster Prevention and Mitigation alerted its provincial offices throughout the country to be prepared for strong winds, flash flooding, and landslides. Residents in highland areas were also warned of possible mudslides, and the army was dispatched to aid in regional storm preparations. [19]
Damage was widespread in the Philippines, particularly in Metro Manila, where the typhoon passed almost directly over. Power and water was lost in several provinces, while overflowing rivers caused flooding, landslides and made roads impassable. In some parts of the country, electricity was cut off for up to six days straight. [20] Many trees and billboards were toppled by Xangsane, while Luzon suffered an island-wide power outage. [21] Rough waters and seaport closures left at least 3,400 people and nearly 270 vehicles stranded in ports and terminals, mainly at the primary ferry crossing between Samar Island and Bicol Region. [22] Local and provincial officials described Xangsane as the worst typhoon to directly impact Manila since Typhoon Angela passed over the city eleven years ago. [21]
The Philippine government estimated that approximately 2 million people in 19 provinces were affected by Xangsane, [23] which destroyed many homes and farms on its path through the islands. [20] The local and regional Philippine National Red Cross chapters reported major damage in at least 116 municipalities, 12 cities, and a total of 1,295 barangays across the country. Torrential rains from Milenyo also caused flooding and landslides in Laguna, Cavite, and Quezon. [24] Xangsane caused the destruction of the Calumpang Dam in the Municipality of Liliw, which channeled water to irrigation canals around the area. In all, Milenyo was responsible for 197 deaths [2] and 5.9 billion Philippine pesos ($118 million, 2006 USD) in damage, mostly to personal property and agriculture. [3]
Xangsane made its second and final landfall in central Vietnam, causing severe flooding and strong winds that caused nearly 10 trillion Vietnamese đồng ($629 million, 2006 USD) in damage and killed 71 people. The worst structural damage occurred in the city of Da Nang, where 26 people were killed. The provinces of Quảng Nam and Nghệ An were also hard hit, with a total of 25 people killed. [2] The storm damaged or destroyed around 320,000 homes, downed thousands of trees and power lines, and flooded major streets. [25]
Significant agricultural damage was reported, especially in Quảng Bình Province. More than 3,000 square kilometres (1,200 sq mi) of crops, mostly rice, were damaged or washed away by the floodwaters. [26] There were also reports of heavy losses of poultry and livestock, and nearly 13 km2 (5.0 sq mi) of aquaculture and 786 fishing boats were lost. [27]
The remnants of Xangsane moved over Thailand on October 2 and combined with monsoonal moisture over the north central part of the country, causing torrential rains and severe flooding in over 35 provinces. Floodwaters broke through levees and barriers and flooded or damaged nearly 1.3 million rai (2,100 km2; 510,000 acres) of farmland and local infrastructure. [28] Many municipalities reported flooding of up to three meters (9.8 feet), [28] and the municipality of Ang Thong reported flooding of 60 cm (2.0 ft). [29] The Department of Disaster Prevention and Mitigation reported 47 deaths, [30] and villages in several provinces reported significant levels of water pollution and waterborne illnesses from stagnant waters. [31]
Following the passage of Xangsane, the International Federation of Red Cross and Red Crescent Societies (IFRC) issued an emergency request for 5.7 million Swiss francs ($4.6 million, 2006 USD) to aid the Philippine Red Cross in its relief effort. In addition, the movement dispatched 3,000 workers and three disaster response teams to affected areas for search and rescue missions, damage assessments, and assistance to people affected by the typhoon. The Philippine Red Cross provided canned goods, rice, clothing, and personal hygiene items to over 6,300 families, and local volunteers provided assistance to people in shelters. [32] The Spanish Red Cross, present since 1998 as a backup to the Philippine Red Cross, also sent officials, logistics equipment, and water purification systems to the more heavily areas to aid in disaster relief and damage assessments. [20]
In Manila, fallen billboards killed several people and caused traffic delays along EDSA, the main highway of the metropolis. This prompted some members of the Senate of the Philippines to push for the removal and banning of billboard advertising in the Manila area, which had been an issue for some time. Senator Miriam Defensor Santiago wrote an appeal to President Gloria Macapagal Arroyo, asking her to approve the "Anti-Billboard Blight Act of 2006", which would ban billboard advertising on major thoroughfares within Metro Manila. [33]
On October 3, the IFRC released 100,000 Swiss francs ($80,300, 2006 USD) from its disaster relief fund to support the Red Cross of Vietnam, [32] and issued an emergency appeal for 1 million Swiss francs ($810,000, 2006 USD) in aid the next day. The Vietnamese government also released 100 billion Vietnamese đồng ($6.2 million, 2006 USD) and 1,500 metric tons (1,650 short tons) of rice from the national food security stock to help the recovery effort in central Vietnam. The National Fatherland Front also issued an appeal to national and international organizations for donations and aid. [27] According to Vietnam Television's report prior to the impact of Typhoon Noru in late September 2022, due to the over-strengthen the storm was that the national observation agencies decided to upgrade typhoon level from 12 to 17.
On October 13, a minivan carrying a relief team from a local government in Ho Chi Minh city was caught in an accident, killing 12 aid workers. [34]
The Department of Disaster Prevention and Mitigation and the Thai Red Cross Society evacuated residents from areas of central Thailand that had been affected by flooding from the remnants of Xangsane. The Red Cross also provided victims and evacuees with food and emergency kits, and several Red Cross health centers in 12 provinces issued emergency relief kits, drinking water, and medicine kits to at least 16,000 families in flood-stricken areas. [28]
As a result of the deaths and damage caused, it was decided at the 39th annual meeting of the ESCAP/WMO Typhoon Committee in Manila in December 2006 that the name Xangsane, along with four others, would be retired from the name list. Its PAGASA name, Milenyo, was also retired by PAGASA. [35] In December 2007, the committee selected the name Leepi to replace Xangsane on the Western Pacific basin name lists beginning in 2008. [36] In 2010 the name selected by PAGASA to replace Milenyo was Mario , but the name itself was retired and was replaced with "Maymay" after devastating Metro Manila and Northern Luzon. [37]
The 2006 Pacific typhoon season was a destructive and deadly season, although it was near-average in terms of activity with a total of 23 named storms, 15 typhoons, and six super typhoons. Compared to the previous season, more typhoons inflicted damage across several countries, particularly China and the Philippines, some of which made landfall at higher intensities. The ratio of intense typhoons to all typhoons is at 0.73, the highest since 1970.
Typhoon Chanchu, known in the Philippines as Typhoon Caloy, was the most intense typhoon in the South China Sea in the month of May according to the Hong Kong Observatory (HKO). The first named storm of the 2006 Pacific typhoon season, Chanchu formed on May 8 in the vicinity of the Federated States of Micronesia and progressed westward. It gradually intensified into a tropical storm and later severe tropical storm before moving through the Philippines. On May 13, Chanchu entered the South China Sea and became a typhoon, according to the Japan Meteorological Agency (JMA). Warm waters and favorable outflow allowed the storm to quickly intensify to peak maximum sustained winds of 175 km/h (109 mph) on May 15. Around that time, the typhoon turned sharply to the north toward southeastern China. Chanchu weakened as it curved to the northeast, making landfall near Shantou, Guangdong on May 17 as a severe tropical storm. The government of China considered Chanchu the earliest typhoon to make landfall in the province. On the next day, the storm emerged into the East China Sea, becoming extratropical on May 19 before dissipating west of Kyushu.
Typhoon Durian, known in the Philippines as Super Typhoon Reming, was a deadly tropical cyclone that wreaked havoc in the Philippines and later crossed the Malay Peninsula in late November 2006, causing massive loss of life when mudflows from the Mayon Volcano buried many villages.
Typhoon Utor, known in the Philippines as Typhoon Seniang, swept through the central Philippines in December 2006, exacerbating the damage left behind by previous Philippine typhoon strikes that year. Residual moisture from the tropical cyclone indirectly contributed to extensive flooding in Malaysia. Utor originated from an area of disturbed weather that organized into a tropical depression on December 7 west-southwest of Yap. The cyclone steadily progressed westward while gradually intensifying, reaching tropical storm intensity late on December 7. On December 9 and the ensuing two days, Utor crossed the central Philippines and reached typhoon strength before weakening somewhat upon entry into the South China Sea. Reintensification ensued afterwards, and Utor reached its peak intensity on December 13 with maximum sustained winds of 155 km/h (100 mph) shortly after regaining typhoon strength. However, wind shear and dry air began to take its toll on Utor thereafter, quickly weakening the storm until its dissipation on December 15.
The 2009 Pacific typhoon season was a below average season that spawned only 22 named storms, 13 typhoons, and five super typhoons. Despite this, it was a very deadly season, with the Philippines having experienced its deadliest season in decades due to the impact of typhoons Ketsana and Parma, while typhoon Morakot went on to become the deadliest storm to impact Taiwan in its modern history. The first half of the season was very quiet, whereas the second half of the season was extremely active. The season's first named storm, Kujira, developed on May 3, while the season's last named storm, Nida, dissipated on December 3.
Typhoon Ketsana, known in the Philippines as Tropical Storm Ondoy, was the second-most devastating tropical cyclone of the 2009 Pacific typhoon season, causing $1.15 billion in damages and 665 fatalities, only behind Morakot earlier in the season, which caused 956 deaths and damages worth $6.2 billion. Ketsana was the sixteenth tropical storm, and the eighth typhoon of the season. It was the most devastating tropical cyclone to hit Manila, surpassing Typhoon Patsy (Yoling) in 1970.
The 2020 Pacific typhoon season was the first of a series of four below average Pacific typhoon seasons, and became the first with below-average tropical cyclone activity since 2014, with 23 named storms, 10 of which became typhoons and only 2 became super typhoons. This low activity was a consequence of La Niña that persisted from the summer of the year. It had the sixth-latest start in the basin on record, slightly behind 1973, and was the first to start that late since 2016. The first half of the season was unusually inactive, with only four systems, two named storms and one typhoon at the end of July. Additionally, the JTWC recorded no tropical cyclone development in the month of July, the first such occurrence since reliable records began. Despite that, this season featured Super Typhoon Goni, which made the strongest landfall worldwide in terms of 1-minute wind speed. The season's first named tropical cyclone, Vongfong, developed on May 8, while the season's last named tropical cyclone, Krovanh, dissipated on December 24. However, the season's last system was an unnamed tropical depression which dissipated on December 29.
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Tropical Storm Podul, known in the Philippines as Tropical Depression Zoraida, was a weak but destructive tropical cyclone that affected the Philippines shortly after the devastating Typhoon Haiyan. The 31st named storm of the 2013 Pacific typhoon season, Podul developed as a tropical depression on November 11 between Palau and the Philippine island of Mindanao. The system moved west-northwestward and struck Davao Oriental in Mindanao on November 12, bringing heavy rainfall that killed two people and disrupted relief efforts following Haiyan. After crossing the Philippines, the depression intensified into Tropical Storm Podul on November 14. Shortly thereafter, the storm struck southeastern Vietnam, and its circulation dissipated on November 15. In Vietnam, Podul produced heavy rainfall that resulted in severe flooding. The storm damaged or destroyed 427,258 houses, and overall damage was estimated at 4.1 trillion₫. Podul killed 44 people in the country and caused 66 injuries.
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Severe Tropical Storm Conson, known in the Philippines as Typhoon Jolina, was a strong tropical cyclone that impacted the central Philippines and Vietnam during the 2021 Pacific typhoon season. Being the thirteenth named storm of the said event, Conson originated as a low-pressure area first monitored approximately 500 km (310 mi) west of Guam. It formed as a tropical depression over the Pacific Ocean on September 5, 2021. As it formed within the Philippine Area of Responsibility, the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) named the storm Jolina. Over the next day, it intensified into a tropical storm and was named Conson by the Japan Meteorological Agency (JMA). As the storm neared Samar Island, it intensified into a severe tropical storm, and later into a typhoon according to the PAGASA prior to its first landfall in Eastern Samar. The storm retained its strength as it crossed Visayas and later Calabarzon before weakening over Manila Bay prior to its final landfall in Bataan. It subsequently emerged into the South China Sea where it struggled to reintensify further. It then weakened into a tropical depression just offshore of Vietnam before moving ashore near Da Nang. It then rapidly weakened before dissipating on September 13.
Severe Tropical Storm Nalgae, known in the Philippines as Severe Tropical Storm Paeng, was a very large and deadly tropical cyclone that wreaked havoc across the Philippines and later impacted Hong Kong and Macau. Nalgae, meaning wing in Korean, the twenty-second named storm of the 2022 Pacific typhoon season, Nalgae originated from an invest located east of the Philippines on October 26. The disturbance, initially designated as 93W, was eventually upgraded the following day to a tropical depression by the Joint Typhoon Warning Center (JTWC) and re-designated as 26W. The Japan Meteorological Agency (JMA) however, had already considered the disturbance as a tropical depression a day prior to JTWC's; the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) also followed the JMA's lead and gave it the name Paeng. That same day, it was upgraded again by the JMA to tropical storm status, thus gaining the name Nalgae.