Meteorological history | |
---|---|
Formed | July 2,2016 |
Dissipated | July 10,2016 |
Violent typhoon | |
10-minute sustained (JMA) | |
Highest winds | 205 km/h (125 mph) |
Lowest pressure | 900 hPa (mbar);26.58 inHg |
Category 5-equivalent super typhoon | |
1-minute sustained (SSHWS/JTWC) | |
Highest winds | 285 km/h (180 mph) |
Lowest pressure | 907 hPa (mbar);26.78 inHg |
Overall effects | |
Fatalities | 111 total |
Damage | $1.89 billion |
Areas affected | Caroline Islands,Mariana Islands,Philippines,Ryukyu Islands,Taiwan,East China |
IBTrACS | |
Part of the 2016 Pacific typhoon season |
Typhoon Nepartak,known in the Philippines as Super Typhoon Butchoy,was the third most intense tropical cyclone worldwide in 2016. Nepartak severely impacted Taiwan and East China,with 86 confirmed fatalities. It caused 3 deaths and NT$678 million (US$21 million) of damage in Taiwan. [1] Moreover,Nepartak also had disastrous effects in Fujian,China,causing 111 deaths and ¥9.99 billion (US$1.49 billion) of damage. [2] [3] After the season,total damages exceeded up to ¥12.65 billion (US$1.89 billion). [4]
The first named storm and typhoon of the annual typhoon season,Nepartak developed into a tropical storm south of Guam on July 3 and ended a record-tied 199-day period without a named storm over the basin,tied with the 1997–1998 interval. [5] [6] Steadily tracking northwestward on July 4 and becoming a typhoon on the next day,Nepartak reached peak intensity with a pinhole eye on July 6. Nepartak started to weaken on July 7 and then crossed Taiwan later,before emerging into the Taiwan Strait and weakening into a severe tropical storm on July 8. It eventually made landfall over Fujian,China on July 9 and dissipated over land one day later.
A low-pressure area developed south of Guam on June 30. [7] During July 2, the Japan Meteorological Agency started to monitor a broad tropical depression that had developed about 780 km (485 mi) to the southeast of Yap State. [8] [9] The depression was located within a favourable environment for further development with low vertical wind shear, while global computer models indicated that the system would slowly develop further as it interacted with an upper level low. [9] During that day as the depression intensified as it moved north-westwards in a weak steering environment, while deep atmospheric convection started to wrap into the system's consolidating low level circulation centre. [10] [11] Early on July 3, the United States Joint Typhoon Warning Center initiated advisories on the system and classified it as Tropical Depression 02W. [11] The system was subsequently named Nepartak by the JMA after it had intensified into a tropical storm, and an Ascat pass had shown that winds of 65 km/h (40 mph) existed within the storms eastern quadrant. [8] [12] The naming of Nepartak brought to an end a record 199 day period without a tropical storm within the Western North Pacific basin. [13] [14]
After being named, Nerpartak started to accelerate north-westwards, as a subtropical ridge to the north of the system, became better established and acted as the dominant steering mechanism. [15] Over the next couple of days the system gradually intensified further as its upper level outflow improved, as a TUTT cell positioned to the north of Nepartak propagated westwards. [8] [16] Thus, around 12:00 UTC, the JMA upgraded it to a severe tropical storm, and the system developed a large central dense overcast (CDO) with tightly curved convective banding. [8] [17] Both the JMA and the JTWC upgraded Nepartak to a typhoon early the next day, and afterwards the system underwent a period of rapid deepening. [18] [19] The system entered the Philippine Area of Responsibility approximately at 06:00 UTC (14:00 PHT), upon which PAGASA assigned it the local name Butchoy. [20] Due to low vertical wind shear, excellent dual-outflow channels and very warm sea surface temperatures, above 30°C over the Philippine Sea, the compact and symmetric typhoon acquired annular characteristics and a well-defined eye on the evening on July 5. This prompted the JTWC to upgrade it to a Category 4-equivalent super typhoon around 18:00 UTC. [21] On July 6, the JTWC estimated that Nepartak had become a Category 5-equivalent super typhoon. [22] Featuring a distinct eye, Nepartak reached its peak intensity at around 06:00 UTC, about 835 km (519 mi) east-southeast of Taitung, Taiwan. The JMA estimated the central pressure at 900 hPa (26.58 inHg) and ten-minute maximum sustained winds at 205 km/h (125 mph). [8] The JTWC estimated one-minute maximum sustained winds at 285 km/h (180 mph). [8]
Maintaining peak intensity for a day, Nepartak started to slow down and weaken on July 7, owing to the topography of Taiwan inhibiting the inflow on the western side of the low-level circulation. [23] By 12:00 UTC, Nepartak's eye had become ragged and cloud-filled. Around that time, the typhoon passed close to a buoy near Orchid Island. The buoy observed a minimum pressure of roughly 897 hPa (26.49 inHg). [24] This observation was scrutinized by a National Taiwan University team, [25] and on September 13, the Institute of Oceanography of the National Taiwan University said that after calibrating the pressure sensor, they found that the lowest atmospheric pressure was in fact 911.5 hPa (26.91 inHg). [26] Nepartak made landfall over Taimali, Taitung County at 21:50 UTC (05:50 Taiwan Time on July 8) and subsequently emerged into the Taiwan Strait from Jiangjun, Tainan at 06:30 UTC (14:30 Taiwan Time) on July 8. [27] [28] Weakening from a Category 4 super typhoon to a Category 1 equivalent-typhoon within 12 hours, as land interaction with Taiwan caused Nepartak's structure to degrade significantly, the mid-level circulation became decoupled from the LLCC. [29] Therefore, despite a favorable upper-level environment, the typhoon could not re-strengthen; Nepartak featured warming cloud tops, an expanding cloud field and deepest convection confined to the northwest and southeast peripheries of the LLCC. [30] Around 18:00 UTC, the JMA downgraded Nepartak to a severe tropical storm, and the JTWC downgraded it to a tropical storm. [8] [31] On July 9, immediately before the JMA further downgraded Nepartak to a tropical storm, the system made landfall over Shishi, Fujian at 05:45 UTC (13:45 CST). [8] [32] This resulted in decaying convection and an elongating LLCC, therefore the JTWC issued its final warning. [33] In the afternoon, Nepartak continued moving inland as a tropical depression, and dissipated during July 10. [8]
On July 6, the Central Weather Bureau raised land and sea warnings for the entirety of Taiwan, and forecast torrential rain for 14 counties and the capital city of Taipei during the typhoon's passage. [34] The Government of Taiwan placed 35,817 military personnel—of which roughly 3,000 were deployed [35] —along with 3,409 vehicles and 119 inflatable boats, on standby for relief efforts in conjunction with Typhoon Nepartak. [36] Many were placed on alert to assist with evacuations in mountainous areas of Yilan and Hualien counties. [34] Ninety shelters were opened throughout Taiwan. [37] Approximately 3,000 tourists were evacuated from the outlying Green and Orchid islands and ferry service to these areas was suspended. [34] [38] Residents of Wutai Township in southern Taiwan were also relocated due to the threat of landslides and flooding. [36] Ultimately, 154,000 people were evacuated across 14 counties and cities. [39] Mandarin Airlines, TransAsia Airways, China Airlines, EVA Air, and Uni Air cancelled all flights for July 7 and many on July 8, encompassing all domestic flights and most international ones. [40] Kaohsiung International Airport and Taoyuan International Airport are scheduled to close at 3 p.m. and 5 p.m. local time, respectively, on July 7. [41] Approximately 500 flights were canceled due to the typhoon. [39] In anticipation of heavy rain, water was released from the Shihmen Dam on the morning of July 7. [42]
Trains operated by Taiwan High Speed Rail, Taiwan Railways Administration, and Alishan Forest Railway were all suspended starting the evening of July 7 or morning of July 8 and throughout the remainder of the typhoon's passage. Over a dozen sections of highway were also closed. [43] Bus service in Taipei and New Taipei was halted for July 8. All schools and businesses closed for the day, except for in Kinmen County and the Matsu Islands. [44] The Taiwan Water Corporation urged residents to stock up on water and reduce their usage of running water in advance of the typhoon. The agency readied purification plants in anticipation of extreme turbidity from rainfall runoff. [45] The annual Taiwan International Balloon Festival in Taitung County cancelled activities for the afternoon of July 6 through July 8; the Morning Glow in Sanxiantai was also delayed until July 9. [46]
Officials across multiple provinces in East China feared that the storm would worsen the ongoing floods that had already claimed at least 186 lives. [47] Particular concern was raised over lakes and reservoirs along the Yangtze River, especially Lake Tai, that could overflow due to heavy rain from the typhoon. [48] Residents in Fujian and Zhejiang provinces were alerted of a potentially damaging storm surge, while authorities in Guangdong province ordered all fishermen to return to port. [49] Across coastal Fujian, approximately 33,000 fishing boats returned to port [50] and 35,000 people working along the coast were urged to evacuate inland.[ citation needed ] Approximately 420,000 people were evacuated across Fujian and another 37,521 people were relocated in Wenzhou, Zhejiang. [51] [52] On July 9 at 11 a.m. local time, Fujian province issued an orange typhoon alert, the second highest alert level. [53] Public transportation was severely disrupted, with 5,000 buses, 400 flights, and 300 high-speed trains canceled. [51]
Residents across the Ryukyu Islands—a Japanese archipelago extending south-southwest from the mainland toward Taiwan—were alerted of potentially dangerous conditions beginning on July 5. Some evacuations took place on the Yaeyama Islands and Miyako Islands in anticipation of flooding and typhoon-force winds. [54]
Fishermen in the northern Philippines were advised not to venture out due to rough seas. Meteorologists in the nation also advised that the typhoon would enhance the local monsoon, bringing rain and thunderstorms to many areas in the Northern part of the Philippine islands. [55] Public Storm Warning Signal 1 was raised for the Babuyan Islands, Batanes, and Calayan. [56] The national government also suspended work in Metro Manila in the afternoon of July 8 owing to inclement weather caused by the typhoon. [57]
On July 7, two people drowned in storm-related incidents: one at Chihsingtan Beach in Hualien County and the other in Penghu. At least one person was killed during the storm's landfall after being struck by debris. More than 142 people sustained injuries, primarily from shattered glass or airborne debris. [58] Wind gusts of up to 205 km/h (127 mph) were observed in Taitung County, the highest recorded wind in the county in 61 years of record keeping; the powerful winds toppled trees and power lines, tore apart roofs, and flipped vehicles. [59] At the height of the storm, 545,696 households lost power and 24,829 lost water supplies. [60] Preliminary estimates of damage in Taitung County alone exceeded NT$2 billion (US$62 million) by July 9. [61] Preliminary estimates of agricultural damage reached NT$1.07 billion (US$33.2 million), of which NT$731.39 million (US$22.7 million) was incurred by Taitung County. [62] Custard apples suffered the greatest losses, with 4,198 hectares (10,370 acres) lost, followed by bananas. Seven major highways, including No. 7 and No. 23 were damaged. [60] At the port of Kaohsiung, the Singapore-flagged cargo ship Avata was torn from its moorings in a harbor it was sheltering it; two tow vessels had to bring it back to port. [63]
In Nepartak's wake, the Taiwan Power Company dispatched 2,000 personnel to repair downed power lines and clear debris. By 6:00 p.m. local time on July 8, only 50,000 households remained without electricity. [64] The Red Cross Society of the Republic of China pledged to provide each affected household with NT$10,000 (US$310). [65] On July 9, Premier Lin Chuan toured damaged areas of Taitung and ordered a NT$300 million (US$9.3 million) relief package. [61] Although China temporarily ceased communications with Taiwan following the inauguration of Tsai Ing-wen, the country's Taiwan Affairs Office expressed concern and offered their condolences to victims of the typhoon. [66] The Tzu Chi Foundation pledged NT$10,000–30,000 (US$310–930) as well as living essentials. [65]
Many individuals offered donations and funds to assist in recovery efforts. One of the wealthiest people in Taiwan, Hon Hai Precision Industry Chairman Terry Gou, provided NT$10 million (US$310,100) for reconstruction efforts. The convenience store chains 7-Eleven and FamilyMart partnered with Gou to set up electronic donations at more than 5,000 locations on July 9. [65] Pop artist A-mei donated NT$2 million (US$62,020) to her home county of Taitung. [67] Similarly, the rock band Mayday and singer Jia Jia jointly gave NT$2 million (US$62,020). [65] Political parties also provided monetary support: the ruling Democratic Progressive Party provided NT$500,000 (US$15,500), [61] the Kuomintang Party pledged NT$1 million (US$31,000), and the New Power Party gave NT$300,000 (US$9,300). The Legislative Yuan donated NT$500,000 (US$15,500) and the legislature's speaker Su Jia-chyuan provided an additional NT$100,000 (US$3,100). The mayors of Taipei and Taoyuan, Ko Wen-je and Cheng Wen-tsan, donated NT$200,000 (US$6,200) and NT$100,000 (US$3,100), respectively, while several other government officials pledged to donate their daily salaries. [65]
Taiwan's Council of Agriculture pledged to provided financial assistance to farmers in Taitung, Pingtung, and Kaohsiung counties. [62]
Heavy rain—amounting to 250 mm (9.8 in) in just a few hours in Putian—and strong winds battered Fujian. Winds up to 100 km/h (62 mph) were observed in Shishi. [51] Widespread flooding and many landslides occurred, particularly in mountainous areas, destroying an unspecified number of buildings. A landslide in Gutian County buried a factory, trapping 18 workers; all were later rescued by police and firefighters. Forty-three people required rescue due to rising waters in Putian. [68] At least 10 people were killed and 11 others were rendered missing across Fujian and Jiangxi. [69] At least 3,144 homes were destroyed and 15,800 hectares (39,000 acres) of crops were damaged; total economic losses reached ¥2.2 billion (US$320 million). [70] [71] Damage was particularly severe in Minqing County, Fujian, where at least 1,000 people required rescue. [70] A level 4 disaster emergency was declared for affected areas, allowing for a large distribution of relief materials. [69]
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 Sepat, known in the Philippines as Super Typhoon Egay, was the eighth named tropical storm and the strongest tropical cyclone of the 2007 Pacific typhoon season, that affected the Philippines and made landfall in Taiwan and Fujian. Sepat originated on August 11 via a low-circulation center SE of Naha, Okinawa, and was named by the Japan Meteorological Agency as Sepat on August 12 and Egay in the Philippines by PAGASA as it entered the PAR. Sepat underwent an explosive intensification on the night of August 13, reaching peak intensity at Category 5-equivalent super typhoon intensity the following morning. The storm maintained its strength for 2 days, until it underwent an eyewall replacement cycle, just before he storm makes landfall in Taiwan on August 17 as a Category 3-equivalent typhoon. After crossing the Taiwanese strait, Sepat; already weakening into Category 1 status due to unfavorable conditions, made a second landfall in China on August 18, 2007. The storm persisted across Mainland China, as it transitioned into an extratropical cyclone on August 20, and Sepat, now an extratropical low continued through the Chinese mainland until it finally dissipated near Yunnan Province on August 24.
Severe Tropical Storm Linfa was the second named storm to develop in the South China Sea during the 2009 Pacific typhoon season. It is the seventh depression and third typhoon of the season. Forming out of an area of low pressure on June 14, the storm briefly attained tropical depression status before degenerating. By June 17 the system regenerated in the South China Sea. Slowly tracking northward, the storm intensified, attaining severe tropical storm status on June 19 and peaking in intensity the following day. On June 21, Linfa made landfall in Fujian Province, China as a tropical storm before weakening to a tropical depression.
The 2015 Pacific typhoon season was a slightly above average season that produced twenty-seven tropical storms, eighteen typhoons, and nine super typhoons. The season ran throughout 2015, though most tropical cyclones typically develop between May and November. The season's first named storm, Mekkhala, developed on January 15, while the season's last named storm, Melor, dissipated on December 17. The season saw at least one named tropical system forming in each of every month, the first time since 1965. Similar to the previous season, this season saw a high number of super typhoons. Accumulated cyclone energy (ACE) during 2015 was extremely high, the third highest since 1970, and the 2015 ACE has been attributed in part to anthropogenic warming, and also the 2014-16 El Niño event, that led to similarly high ACE values in the East Pacific.
The 2016 Pacific typhoon season is considered to have been the fourth-latest start for a Pacific typhoon season since reliable records began. It was an average season, with a total of 26 named storms, 13 typhoons, and six super typhoons. The season ran throughout 2016, though typically most tropical cyclones develop between May and October. The season's first named storm, Nepartak, developed on July 3, while the season's last named storm, Nock-ten, dissipated on December 28.
Typhoon Tembin, known in the Philippines as Typhoon Igme, was an intense tropical cyclone in the Western Pacific Ocean that had an unusual trajectory, approaching Taiwan twice. Tembin, which means balancing scale or Libra in Japanese, was the eighth typhoon and the fourteenth named storm of the 2012 Pacific typhoon season. After making landfall over the southern tip of Taiwan late on August 23, Tembin weakened but regained strength in the South China Sea, looping before making a second landfall on southern Taiwan as a tropical storm on August 27; however, the system did not restrengthen in the East China Sea, and made landfall over South Korea on August 30 before becoming extratropical.
Typhoon Soulik, known in the Philippines as Super Typhoon Huaning, was a powerful tropical cyclone that caused widespread damage in Taiwan and East China in July 2013. The storm originated from an upper-level cold-core low well to the northeast of Guam on July 6. Gaining tropical characteristics, the system soon developed a surface low and became a tropical depression early on July 7. Tracking generally westward, a motion it would retain for its entire existence, the depression underwent a period of rapid intensification starting on July 8 that culminated in Soulik attaining its peak strength early on July 10. At that time, the system had sustained winds estimated at 185 km/h (115 mph) and barometric pressure of 925 mbar. Thereafter, an eyewall replacement cycle and cooler waters weakened the system. Though it passed over the warm waters of the Kuroshio Current the following day, dry air soon impinged upon the typhoon. Soulik later made landfall late on July 12 in northern Taiwan before degrading to a tropical storm. Briefly emerging over the Taiwan Strait, the storm moved onshore for a second time in Fujian on July 13. The system was last noted as a tropical depression early on July 14.
Tropical Storm Morakot, known in the Philippines as Tropical Storm Juaning, brought significant rainfall to Taiwan before alleviating drought conditions in mainland China in August 2003. The tenth named storm in the western Pacific that year, Morakot spawned from an area of disturbed weather in the Philippine Sea on July 31. Tracking northwest, favorable conditions allowed for the intensification of the system to tropical storm strength on August 2. Morakot reached peak intensity later that day with winds of 85 km/h (50 mph) and a minimum barometric pressure of 992 mbar. This intensity was held for several hours until less conducive atmospheric conditions slightly weakened the system; this was followed by Morakot making landfall on southern Taiwan on August 3. Subsequently, the storm weakened and moved into the Taiwan Strait before making its final landfall near Quanzhou, China the next day. The storm quickly weakened over the Chinese mainland, and dissipated entirely several hours after landfall.
Severe Tropical Storm Linfa, known in the Philippines as Severe Tropical Storm Egay, was a tropical cyclone that affected the northern Philippines, Taiwan and southern China in early July 2015. The tenth named storm of the annual typhoon season, Linfa developed on July 1 over in the Philippine Sea. It moved erratically westward toward the Philippines, eventually striking the island of Luzon on July 4. Linfa weakened across the island, but reorganized over the South China Sea. It turned northward and strengthened to near typhoon intensity, or winds of 120 km/h (75 mph), but weakened as it curved to the northwest toward southern China. On July 9, the storm made landfall along the Chinese province of Guangdong, dissipating the next day west of Hong Kong.
Typhoon Soudelor, known in the Philippines as Super Typhoon Hanna, was the third most intense tropical cyclone worldwide in 2015 after Hurricane Patricia and Cyclone Pam as well as the strongest tropical cyclone of the 2015 Pacific typhoon season. Soudelor had severe impacts in the Northern Mariana Islands, Taiwan, and eastern China, resulting in 40 confirmed fatalities. Lesser effects were felt in Japan, South Korea and the Philippines. The thirteenth named storm of the annual typhoon season, Soudelor formed as a tropical depression near Pohnpei on July 29. The system strengthened slowly at first before entering a period of rapid intensification on August 2. Soudelor made landfall on Saipan later that day, causing extensive damage. Owing to favorable environmental conditions, the typhoon further deepened and reached its peak intensity with ten-minute maximum sustained winds of 215 km/h (130 mph) and a central atmospheric pressure of 900 hPa on August 3. The Joint Typhoon Warning Center assessed one-minute sustained winds at 285 km/h (180 mph), making Soudelor a Category 5-equivalent super typhoon. Steady weakening ensued thereafter as the storm moved generally west-northwest. Soudelor made landfall over Hualien, Taiwan, late on August 7 and emerged over in the Taiwan Strait early the next day. The typhoon soon moved inland over eastern China and degraded to a tropical depression by August 9.
Typhoon Dujuan, known in the Philippines as Super Typhoon Jenny, was the second most intense tropical cyclone of the Northwest Pacific Ocean in 2015 in terms of ten-minute maximum sustained winds, tied with Noul. The twenty-first named storm and the thirteenth typhoon of the 2015 Pacific typhoon season, Dujuan brought extremely powerful winds throughout the Yaeyama Islands and Taiwan in late September, causing 3 deaths in Taiwan. The typhoon also caused over ¥2.5 billion (US$392.9 million) damage in East China.
This timeline documents all of the events of the 2016 Pacific typhoon season. Most of the tropical cyclones forming between May and November. The scope of this article is limited to the Pacific Ocean, north of the equator between 100°E and the International Date Line. Tropical storms that form in the entire Western Pacific basin are assigned a name by the Japan Meteorological Agency. Tropical depressions that form in this basin are given a number with a "W" suffix by the United States' Joint Typhoon Warning Center. In addition, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assigns names to tropical cyclones that enter or form in the Philippine area of responsibility. These names, however, are not in common use outside of the Philippines.
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 315 km/h (195 mph). 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.
Typhoon Megi, known in the Philippines as Typhoon Helen, was a large and powerful tropical cyclone which affected Taiwan and eastern China in late September 2016. It is the seventeenth named storm and the seventh typhoon of the annual typhoon season. Megi started as a tropical disturbance in the northeast of Pohnpei. On September 21, JMA upgraded the disturbance to a tropical depression. The depression was immediately named Megi by the JMA as it was classified as a tropical storm. It was later then designated by JTWC as a newly formed Tropical Depression 20W. Moving northwestwards, Megi was trying to form an eye which prompted the agencies to upgrade into a typhoon. Megi later entered PAR, attaining the name Helen as it continued to intensify. Favorable conditions and low vertical wind shear allow Megi to perform an eyewall replacement cycle as it approaches Taiwan.
Typhoon Nesat, known in the Philippines as Typhoon Gorio, was a strong tropical cyclone that impacted Taiwan and Fujian, China. It was the ninth named storm and the second typhoon of the annual typhoon season. After consolidating slowly for several days, Tropical Storm Nesat developed east of the Philippines on July 25. While experiencing favorable environmental conditions such as very warm sea surface temperatures and low wind shear, Nesat strengthened into a typhoon and reached its peak intensity on July 28. On July 29, the typhoon made landfall near the Taiwanese city of Yilan, before weakening to a severe tropical storm and making landfall again near Fuqing on China's east coast late the same day. Moving into July 30, Nesat continued to weaken under the effects of land interaction.
The 2021 Pacific typhoon season was the second consecutive to have below average tropical cyclone activity, with twenty-two named storms, and was the least active since 2011. Nine became typhoons, and five of those intensified into super typhoons. This low activity was caused by a strong La Niña that had persisted from the previous year. The season's first named storm, Dujuan, developed on February 16, while the last named storm, Rai, dissipated on December 21. The season's first typhoon, Surigae, reached typhoon status on April 16. It became the first super typhoon of the year on the next day, also becoming the strongest tropical cyclone in 2021. Surigae was also the most powerful tropical cyclone on record in the Northern Hemisphere for the month of April. Typhoons In-fa and Rai are responsible for more than half of the total damage this season, adding up to a combined total of $2.02 billion.
The 2023 Pacific typhoon season was the fourth consecutive below-average season and became the third-most inactive typhoon season on record in terms of named storms, with just 17 named storms developing, only ahead of 2010 and 1998. Despite the season occurring during an El Niño event, which typically favors activity in the basin, activity was abnormally low. This was primarily due to a consistent period of negative PDO, which typically discourages tropical storm formation in this basin. The season was less active than the 2023 Atlantic hurricane season in terms of named storms, the fourth such season on record, after 2005, 2010 and 2020. The season's number of storms also did not exceed that of the 2023 Pacific hurricane season. Only ten became typhoons, with four strengthening further into super typhoons. However, it was very destructive, primarily due to Typhoon Doksuri which devastated the northern Philippines, Taiwan, and China in July, becoming the costliest typhoon on record as well as the costliest typhoon to hit mainland China, and Typhoon Haikui in September, which devastated China, Taiwan, and Hong Kong. The season was less active in Southeast Asia, with no tropical storm making landfall in mainland Vietnam.
Typhoon Maria, known in the Philippines as Super Typhoon Gardo, was a powerful tropical cyclone that affected Guam, the Ryukyu Islands, Taiwan, and East China in early July 2018. Developing into the eighth named tropical storm of the 2018 Pacific typhoon season and passing the Mariana Islands on July 4, Maria strengthened into the fourth typhoon of the season and underwent rapid intensification the next day amid favorable environmental conditions. The typhoon reached its first peak intensity on July 6; subsequently, Maria weakened due to an eyewall replacement cycle, but it reintensified and reached a second, stronger peak intensity on July 9 with 10-minute sustained winds of 195 km/h (121 mph) and a minimum pressure of 915 hPa. Over the next three days, it started to gradually weaken due to another eyewall replacement cycle and decreasing sea surface temperatures. After crossing the Yaeyama Islands and passing north of Taiwan on July 10, Maria ultimately made landfall over Fujian, China, early on July 11, before dissipating the next day.
Typhoon Chanthu, known in the Philippines as Super Typhoon Kiko, was the second most intense tropical cyclone worldwide in 2021 after Typhoon Surigae in April. It impacted the Cagayan Valley region of the Philippines and became the strongest typhoon to affect the Batanes province since Typhoon Meranti in 2016. The twenty-ninth tropical depression, fourteenth named storm and fourth typhoon of the 2021 Pacific typhoon season, Chanthu originated from a disturbance well east of the Philippine islands on September 5 which organized into a tropical depression later that day. By the next day, the depression had formed into a mature tropical storm which began to explosively intensify by September 7, featuring a pinhole eye on satellite, characteristic of rapidly intensifying storms. Chanthu became a Category 5-equivalent super typhoon by September 8, the highest category on the Saffir–Simpson scale. Subsequent eyewall replacement cycles caused intensity fluctuations, but on September 10, Chanthu peaked with 1-minute sustained winds of 285 km/h (180 mph) just northeast of extreme northeastern Luzon. The typhoon passed very near the Babuyan Islands before passing directly over Ivana, Batanes as a weakening but still powerful Category 5-equivalent super typhoon. Chanthu continued steadily weakening as it passed just east of Taiwan and eventually stalled just east of Shanghai, China. The storm eventually made its second and final landfall near Ikitsuki, Nagasaki in Japan, before crossing the country's mountainous terrain and becoming an extratropical cyclone on September 18. Chanthu then continued eastward and curved southward, before dissipating on September 20. According to Aon Benfield, economic losses totaled US$30 million.
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