Typhoon Doksuri (2017)
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Typhoon Doksuri, known in the Philippines as Tropical Storm Maring, was a strong Category 2 typhoon that mostly impacted the Philippines and
Indochina Mainland Southeast Asia (historically known as Indochina and the Indochinese Peninsula) is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to th ...
during mid-September 2017. Forming as the nineteenth named storm of the
season A season is a division of the year based on changes in weather, ecology, and the number of daylight hours in a given region. On Earth, seasons are the result of the axial parallelism of Earth's axial tilt, tilted orbit around the Sun. In temperat ...
, Doksuri developed as a weak tropical depression over to the east of
Visayas The Visayas ( ), or the Visayan Islands (Bisayan languages, Visayan: ''Kabisay-an'', ; Filipino language, Filipino: ''Kabisayaan'' ), are one of the three Island groups of the Philippines, principal geographical divisions of the Philippines, a ...
on September 10.


Meteorological history

During September 9, the Joint Typhoon Warning Center (JTWC) began monitoring on a tropical disturbance that had developed about west-northwest of the province of
Eastern Samar Eastern Samar ( Waray-Waray: ''Sinirangan Samar''; ), officially the Province of Eastern Samar, is a province in the Philippines located in the Eastern Visayas region. Its capital is the city of Borongan, which is the most populous. Eastern Samar ...
. During the next day, the Japan Meteorological Agency (JMA) classified the system as a weak tropical depression. Six hours later, the JMA started to issue advisories on the depression when it had winds of . On 21:00 UTC of September 11, the JTWC followed suit, giving the designation of ''21W''. The JMA upgraded 21W to a tropical storm during September 12, giving the name ''Doksuri'', the nineteenth named storm of the annual typhoon season. By September 13, robust
convection Convection is single or Multiphase flow, multiphase fluid flow that occurs Spontaneous process, spontaneously through the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity (see buoy ...
had persisted near its
low-level circulation center The eye is a region of mostly calm weather at the center of a tropical cyclone. The eye of a storm is a roughly circular area, typically in diameter. It is surrounded by the eyewall, a ring of towering thunderstorms where the most severe weath ...
(LLCC) along with deep convective banding and a depicted "ragged" microwave
eye An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons (neurones). It is part of an organism's visual system. In higher organisms, the ey ...
feature. This prompted the JTWC to classify Doksuri as a tropical storm. About six hours later, Doksuri's LLCC became well-defined, and Doksuri strengthened into a severe tropical storm from the JMA. By September 14, strong convection was found to the south of its LLCC as convective banding began to wrap into a nascent eye. Doksuri strengthened into a Category 1-equivalent typhoon. Around this time, Doksuri was already located in an area of low vertical
wind shear Wind shear (; also written windshear), sometimes referred to as wind gradient, is a difference in wind speed and/or direction over a relatively short distance in the atmosphere. Atmospheric wind shear is normally described as either vertical ...
along with warm sea-surface temperatures of about . The JMA followed suit on upgrading Doksuri to a typhoon on 12:00 UTC of the same day. With a slowly-developing eye with constant convection around its LLCC, Doksuri strengthened into a Category 2-equivalent typhoon.


Preparations and impact


Philippines

Doksuri, which is known as Maring, affected the Philippine archipelago of
Luzon Luzon ( , ) is the largest and most populous List of islands in the Philippines, island in the Philippines. Located in the northern portion of the List of islands of the Philippines, Philippine archipelago, it is the economic and political ce ...
as a tropical storm. Shortly after when PAGASA began monitoring on the system, they already raised a Storm Signal Warning #1 over in the
Southern Luzon Luzon ( , ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippine archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, a ...
portion, including provinces of
Camarines Sur Camarines Sur (; ), officially the Province of Camarines Sur (Central Bikol language, Bikol: ''Probinsya kan Habagatan na Camarines''; ), is a Provinces of the Philippines, province in the Philippines located in the Bicol Region on Luzon. Its ca ...
and
Aurora An aurora ( aurorae or auroras), also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in Earth's sky, predominantly observed in high-latitude regions (around the Arc ...
on September 11. Hours later, Signal Warning #1 was expanded to as west as
Metro Manila Metropolitan Manila ( ), commonly shortened to Metro Manila and formally the National Capital Region (NCR; ), is the capital region and largest List of metropolitan areas in the Philippines, metropolitan area of the Philippines. Located ...
, as north as
Pangasinan Pangasinan, officially the Province of Pangasinan (, ; ; ), is a coastal Provinces of the Philippines, province in the Philippines located in the Ilocos Region of Luzon. Its capital is Lingayen, Pangasinan, Lingayen while San Carlos, Pangasi ...
and
La Union La Union (), officially the Province of La Union (; ; ; ; ; ), is a coastal province in the Philippines situated in the Ilocos Region on the island of Luzon. The province's capital, the San Fernando, La Union, City of San Fernando, is the most ...
, while every province in
Central Luzon Central Luzon (; ; ; ; ), designated as Region III, is an administrative region in the Philippines. The region comprises seven provinces: Aurora, Bataan, Bulacan, Nueva Ecija, Pampanga (with its capital, San Fernando City serving as the re ...
(Region III) was in that area. Moreover, local government units declared class suspensions to many places, especially in the capital region and the province of
Bulacan Bulacan, officially the Province of Bulacan (; ; ; ), is a Provinces of the Philippines, province in the Philippines located in the Central Luzon Regions of the Philippines, region. Its capital is the city of Malolos. Bulacan was established on ...
for Tuesday, September 12. Domestics flights were already canceled from
Ninoy Aquino International Airport Ninoy Aquino International Airport (NAIA ; ; ), also known as Manila International Airport (MIA), is the main international airport serving Metro Manila in the Philippines. Located between the cities of Pasay and Parañaque, about south of ...
while bus trips were canceled in the Quezon-Aurora area. After the storm, on September 13, officials in the
Cordillera Administrative Region The Cordillera Administrative Region (CAR; ; ), also known as the Cordillera Region and Cordillera (), is an Regions of the Philippines, administrative region in the Philippines, situated within the island of Luzon. It is the only Landlocked co ...
(CAR) had warned residents to refrain from doing outdoor activities over in mountainous areas, especially in
Benguet Benguet (), officially the Province of Benguet ('';'' ; ; ; ), is a landlocked Provinces of the Philippines, province of the Philippines located in the southern tip of the Cordillera Administrative Region in the island of Luzon. Its capital cit ...
, for possibilities of landslides. Laguna was one of the provinces that got hit hard by the storm as the city was placed under a
state of calamity A state of emergency is a situation in which a government is empowered to put through policies that it would normally not be permitted to do, for the safety and protection of its citizens. A government can declare such a state before, during, o ...
after it had "too much rainfall" that produced further flash floods and landslides. Malacañang had provided ₱650 million (US$12.8 million) worth of relief goods and funds for victims while the Department of Health (DoH) had offered ₱20 million (US$393,000) of supplies for provinces from
Cagayan Valley Cagayan Valley (; ), designated as Region II, is an Regions of the Philippines, administrative region in the Philippines. Located in the northeastern section of Luzon, it is composed of five Provinces of the Philippines, Philippine provinces: ...
(Region II) down to Bicol (Region V). Over in the
Quezon province Quezon, officially the Province of Quezon () and historically known as Tayabas, is a province in the Philippines located in the Calabarzon region on Luzon. Lucena, a highly urbanized city governed separately from the province, serves as the ...
, three buses and a car were stranded in flooded streets and the 25 passengers in one bus were rescued later that day. Quezon officials deployed rescue boats and military trucks the rescue efforts while the Philippine Army's 2nd Infantry Division has deployed a rescue team in
Calabarzon Calabarzon (officially stylized in all caps; ; ), sometimes referred to as Southern Tagalog () and designated as Region IVA, is an administrative region in the Philippines. It is situated southeast of Metro Manila and is bordered by Manila Bay ...
. About 1,857 families or 7,549 people were staying in 116 evacuation centers over in Laguna and Quezon. At least 2,103 families or 8,794 persons were affected in 109 barangays in the regions of Central Luzon, Metro Manila and the Calabarzon. The Department of Social Welfare and Development (DSWD) allocated a total of ₱577.8 million (US$11.3 million) as standby funds for affected families while 18,000 food packs were prepositioned. According to the NDRRMC, a total of 22 people were dead with 4 missing, while damage nationwide were at
The Philippine peso sign (₱) is the currency symbol used for the Philippine peso, the official currency of the Philippines. The symbol resembles a Latin script, Latin letter P with two horizontal strokes. It differs from the currency symbol u ...
267 million (US$5.24 million).


Vietnam

Typhoon Doksuri was the tenth storm to affect Vietnam and was considered as the "most powerful storm in a decade" to impact the nation. As early as September 13, authorities over the northern and central provinces banned people from going to sea. Vietnam was placed under a red warning, which stands for "very high" risks. Waves as high as were predicted offshore. Coastal provinces, therefore, announced plans to shut down beaches and ban fishing by September 14. The Red Cross Society has sent missions to
Ha Tinh Ha may refer to: Agencies and organizations * Health authority, a former type of administrative organisation of the NHS in England and Wales * Hells Angels Motorcycle Club * Highways Agency (renamed ''Highways England'', now ''National Highways'' ...
and Quang Binh and mobilized forces to support people in storm-hit areas during September 15. About 1,500 villagers were evacuated over in the Thua Thien-Hue province due to
water erosion Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust and then transports it to another location where it is deposited. Erosion is disti ...
. In Vietnam's capital city of
Hanoi Hanoi ( ; ; ) is the Capital city, capital and List of cities in Vietnam, second-most populous city of Vietnam. The name "Hanoi" translates to "inside the river" (Hanoi is bordered by the Red River (Asia), Red and Black River (Asia), Black Riv ...
, 33 flights were canceled, while
Vietnam Railways Vietnam Railways (VNR, ) is the state-owned operator of the railway system in Vietnam. The principal route is the single-track North–South Railway line, running between Hanoi and Ho Chi Minh City. This was built at the metre gauge ...
canceled seven passenger trains and five cargo trains in the Ha Tinh and Quang Binh provinces. About 80,000 people have evacuated over in Central Vietnam. Doksuri brought wind gusts of up to , which cut power and affected a total of 1.5 million people, although the
Hong Kong Observatory The Hong Kong Observatory is a weather forecast agency of the government of Hong Kong. The Observatory forecasts the weather and issues warnings on weather-related hazards. It also monitors and makes assessments on radiation levels in Hong ...
(HKO) measured gusts of up to . The provinces of
Thanh Hóa Thanh Hóa () is the capital of Thanh Hóa Province. The city is situated in the east of the province on the Ma River (Sông Mã), about 150 kilometers (93 miles) south of capital Hanoi and 1560 kilometers (969 miles) north of Ho Chi Minh Cit ...
up to Quang Ngai saw total precipitation of , with some reports of high as , along with gusts of up to . Water erosion affected 700 meters of
sea dike A seawall (or sea wall) is a form of coastal defense constructed where the sea, and associated coastal processes, impact directly upon the landforms of the coast. The purpose of a seawall is to protect areas of human habitation, conservation, ...
in a village in Thuan An. Seven fishing vessels and 183 small boats sank while 10 small irrigation dams were damaged. 220 small boats were washed away over in the provinces of
Nam Dinh Nam, Nam, or The Nam are shortened terms for: * Vietnam, which is also spelled ''Viet Nam'' * The Vietnam War Nam, The Nam or NAM may also refer to: Arts and media * Nam, a fictional character in anime series ''Dragon Ball'' * ''NAM'' (video ...
and Quang Ngai. In agriculture, Doksuri affected 4,473 hectares of
rice Rice is a cereal grain and in its Domestication, domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species ''Oryza sativa'' (Asian rice)—or, much l ...
with an additional 8,277 hectares for other crops, as well as 16,108 hectares of aquaculture. Overall, 13,000 hectares of perennial crops were damaged, mostly over in the Quang Binh and Quang Tri provinces. The storm also damaged a total of 10 km of highways and 17.9 km of local roads. A total of 23,968 houses had damaged roofs, especially from the Ha Tinh province. During September 16,
Vietnam Electricity Vietnam Electricity (EVN; ) is the national and the sole public power company in Vietnam. It was established by the government of Vietnam as a state-owned company in 1994, and has operated officially as a one-member limited liability company s ...
resumed power only to seriously affected areas such as Dong Hoi, Quang Binh and Nghe An. On September 17, the Vietnam Red Cross (VRC) offered aid of about ₫1.5 billion (US$66,000) to six provinces that were hit by the typhoon. Moreover, the Coca-Cola company of Vietnam sent 24,000 water bottles to residents of in the Quang Binh province. Around the same time, 31,000 soldiers and police were mobilized to help residents in hard-hit provinces. By September 19, a total of 1.3 million households had been supplied with electricity again. On the same day, the FLC Group provide a relief of ₫9 billion (US$396,000) to Nghe An, Ha Tinh and Quang Binh for the recovery of Doksuri. In all, 12 people were reported to be dead during the typhoon, along with 215 injury and 4 missing. Total damages from the typhoon reached 18.4 trillion (US$809 million). Quang Binh and
Ha Tinh Ha may refer to: Agencies and organizations * Health authority, a former type of administrative organisation of the NHS in England and Wales * Hells Angels Motorcycle Club * Highways Agency (renamed ''Highways England'', now ''National Highways'' ...
were the worst hit provinces, which lost a total of ₫13.86 trillion (US$610 million).
Vietnam Electricity Vietnam Electricity (EVN; ) is the national and the sole public power company in Vietnam. It was established by the government of Vietnam as a state-owned company in 1994, and has operated officially as a one-member limited liability company s ...
suffered a loss of ₫215 billion (US$9.46 million), while damage on the health sector reached ₫50 billion (US$2.2 million).


Other areas

Despite making landfall in Indochina, Doksuri affected Hainan and total economic losses were estimated to be
CNY The renminbi ( ; symbol: ¥; ISO code: CNY; abbreviation: RMB), also known as the Chinese yuan, is the official currency of the People's Republic of China. The renminbi is issued by the People's Bank of China, the monetary authority of China ...
100 million (US$15.3 million). Flooding triggered by the storm in Laos killed one person and total damage reached
The kip (; code: LAK; sign: ₭ or ₭N; ; officially: ເງີນກີບລາວ, lit. "currency Lao kip") is the currency of Laos since 1955. Historically, one kip was divided into 100 ''att'' () which are no longer in regular use. The te ...
55.5 billion (US$6.68 million).


See also

*
Weather of 2017 The following is a list of weather events that occurred in 2017. Summary by weather type Winter storms and cold waves Winter weather in 2017 kicked off January 4–8, 2017 North American winter storm, with a winter storm from January 4-8. Th ...
*
Tropical cyclones in 2017 During 2017 tropical cyclones formed within seven different tropical cyclone basins, located within various parts of the Atlantic, Pacific and Indian Oceans. During the year, a total of 146 tropical cyclones had formed. 88 tropical cyclones h ...
*
Typhoon Dan (1989) Typhoon Dan, known in the Philippines as Typhoon Saling, was the third of a series of tropical cyclones that impacted the Philippines and Vietnam in October 1989. The storm developed on October 6, and tracked generally westward throughout its cou ...
*
Tropical Depression Winnie Tropical Depression Winnie was a weak and short lived yet catastrophic tropical cyclone that killed nearly 1,600 people after triggering widespread flooding in the Philippines in late November 2004. It was the second deadliest tropical cyclone of ...
(2004) *
Typhoon Ketsana (2009) 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 s ...
*
Typhoon Wutip (2013) Typhoon Wutip, known in the Philippines as Tropical Storm Paolo, was a Category 3 major typhoon that affected Vietnam, Laos, and Thailand in late September 2013. The nineteenth named storm and the fifth typhoon of the 2013 Pacific typhoon s ...


References


External links


JMA General Information
of Typhoon Doksuri (1719) from Digital Typhoon JTWC Best Track Data
of Tropical Storm 18W (Mawar)-->
21W.DOKSURI
from the U.S. Naval Research Laboratory {{DEFAULTSORT:Doksuri (2017) 2017 Pacific typhoon season 2017 disasters in the Philippines Typhoons in the Philippines Typhoons in Vietnam 2017 disasters in Vietnam Doksuri