Tropical Storm Lionrock, known in the Philippines as Tropical Depression Lannie, was a weak and slow-moving
tropical cyclone
A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its locat ...
which caused some damage to the
Philippines
The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
,
Vietnam
Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...
, and
South China
South China ( zh, s=, p=Huá'nán, j=jyut6 naam4) is a geographical and cultural region that covers the southernmost part of China. Its precise meaning varies with context. A notable feature of South China in comparison to the rest of China is ...
in early October 2021. Lionrock was the seventeenth named storm of the
2021 Pacific typhoon season
The 2021 Pacific typhoon season was the second consecutive season to have below average tropical cyclone activity, with twenty-two tropical cyclone naming, named storms, and was the least active since 2011 Pacific typhoon season, 2011. Nine beca ...
. It formed as an area of convection on October 2, then passed through the Philippines two days later. The system emerged to the
South China Sea
The South China Sea is a marginal sea of the Western Pacific Ocean. It is bounded in the north by South China, in the west by the Indochinese Peninsula, in the east by the islands of Taiwan island, Taiwan and northwestern Philippines (mainly Luz ...
and had further development. On October 7, the system strengthened to Tropical Storm Lionrock, and made landfall in Hainan on the following day. It moved slowly over the island, and later emerged to the
Gulf of Tonkin
The Gulf of Tonkin is a gulf at the northwestern portion of the South China Sea, located off the coasts of Tonkin ( northern Vietnam) and South China. It has a total surface area of . It is defined in the west and northwest by the northern co ...
. Lionrock made landfall in Vietnam on October 10 and dissipated later that day.
Lionrock killed eight people along its path: Four in the Philippines, and two in Hong Kong and Vietnam respectively, and damages related to the storm was $74.9 million (2021
USD
The United States dollar (symbol: $; currency code: USD) is the official currency of the United States and several other countries. The Coinage Act of 1792 introduced the U.S. dollar at par with the Spanish silver dollar, divided it int ...
).
Meteorological history
On October 2 at 06:00
UTC
Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communica ...
, the United States
Joint Typhoon Warning Center
The Joint Typhoon Warning Center (JTWC) is a joint United States Navy – United States Air Force command in Pearl Harbor, Hawaii. The JTWC is responsible for the issuing of tropical cyclone warnings in the North-West Pacific Ocean, South P ...
(JTWC) started to monitor a persistent area of convection in the
Philippine Sea
The Philippine Sea is a List of seas#Marginal seas by ocean, marginal sea of the Pacific Ocean, Western Pacific Ocean east of the list of islands of the Philippines, Philippine Archipelago (hence the name) and the List of seas#Largest seas ...
, located to the east of
Davao City, Philippines
Davao City, officially the City of Davao, is a City of the Philippines#Legal classification, highly urbanized city in the Davao Region, Philippines. The city has a total land area of , making it the List of Philippine cities and municipalities ...
. At that time, satellite visible imagery revealed a disorganized but broad area of circulation with flaring strong thunderstorms. Later analysis by the agency indicated a favorable environment for further development of the system, with warm
sea surface temperatures
Sea surface temperature (or ocean surface temperature) is the ocean temperature, temperature of ocean water close to the surface. The exact meaning of ''surface'' varies in the literature and in practice. It is usually between and below the sea ...
, low
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 ...
and good equatorial
outflow
Outflow may refer to:
*Capital outflow, the capital leaving a particular economy
*Bipolar outflow, in astronomy, two continuous flows of gas from the poles of a star
* Outflow (hydrology), the discharge of a lake or other reservoir system
*Outflow ...
. Meanwhile, the
(PAGASA) upgraded the system to a tropical depression on 2:00 PHT (18:00 UTC) of October 3, assigning it the name ''Lannie'' from their naming list as it was already present in their
Philippine Area of Responsibility
The Philippine Area of Responsibility (PAR) is an area in the Northwestern Pacific where PAGASA, the Philippines' national meteorological agency, monitors weather occurrences. Significant weather disturbances, specifically typhoons that enter o ...
. Also that day, the JTWC issued a
Tropical Cyclone Formation Alert
A Tropical Cyclone Formation Alert (TCFA) is a bulletin released by the U.S. Navy-operated Joint Typhoon Warning Center in Honolulu, Hawaii or the Fleet Weather Center in Norfolk, Virginia, warning of the possibility of a tropical cyclone formi ...
on the system as it showed enough convection on the west of a discernible
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 ...
while tracking west-northwestward.
However, a trough associated with the disturbance crossed the
Philippines
The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
, the JTWC subsequently canceled their TCFA on the system and lowered the probability of the system's development to "medium". The PAGASA, however, continued to track Lannie as it made 8
landfall
Landfall is the event of a storm moving over land after being over water. More broadly, and in relation to human travel, it refers to 'the first land that is reached or seen at the end of a journey across the sea or through the air, or the fact ...
s in the country; first at 04:30 PHT (20:00 UTC) on
Bucas Grande Island, then on
Cagdianao in the
Dinagat Islands
Dinagat Islands ( Cebuano: ''Mga Pulo sa Dinagat''; Surigaonon: ''Mga Puyo nan Dinagat''; Kabalian: ''Mga Puyo san Dinagat''; Waray: ''Mga Purô han Dinagat''; Filipino: ''Mga Islang Dinagat''), officially the Province of Dinagat Islands, is ...
, then over
Liloan
Liloan, officially the Municipality of Liloan (; ), is a municipality of the Philippines, municipality in the Philippine Province, province of Cebu, Philippines. According to the 2020 census, it has a population of 153,197 people. Making it t ...
and
Padre Burgos in
Southern Leyte
Southern Leyte (; Kabalian: ''Habagatan nga Leyte''; ; ), officially the Province of Southern Leyte, is a province in the Philippines located in the Eastern Visayas region. Its capital and largest city is Maasin. Southern Leyte comprised the ...
, then
Mahanay Island and
Getafe
Getafe () is a municipalities in Spain, municipality and a city in Spain belonging to the Community of Madrid. , it has a population of 180,747, the region's sixth most populated municipality.
Getafe is located 13 km south of Madrid's city c ...
in Bohol,
San Fernando
San Fernando may refer to:
People
*Ferdinand III of Castile (c. 1200–1252), called ''San Fernando'' (Spanish) or ''Saint Ferdinand'', King of Castile, León, and Galicia
Places Argentina
*San Fernando de la Buena Vista, city of Greater Buenos ...
in
Cebu
Cebu ( ; ), officially the Province of Cebu (; ), is a province of the Philippines located in the Central Visayas region, and consists of a main island and 167 surrounding islands and islets. The coastal zone of Cebu is identified as a ...
then over
Guihulngan
Guihulngan, officially the City of Guihulngan (; ), is a component city in the province of Negros Oriental, Philippines. According to the 2020 census, it has a population of 102,656 people. Making it the third-most populous city in Negros Ori ...
,
Negros Oriental
Negros Oriental (; ), officially the Province of Negros Oriental (; ), is a province in the Philippines located in the Negros Island. Its capital is the city of Dumaguete, one of the two regional centers of Negros Island Region, with the other b ...
before emerging into the
Sulu Sea
The Sulu Sea (; Tausug: ''Dagat sin Sūg''; ; ) is a body of water in the southwestern area of the Philippines, separated from the South China Sea in the northwest by Palawan and from the Celebes Sea in the southeast by the Sulu Archipela ...
. Continuing its track to the west-northwest, it made two more landfalls in
Palawan
Palawan (, ), officially the Province of Palawan (; ), is an archipelagic province of the Philippines that is located in the region of Mimaropa. It is the largest province in the country in terms of total area of . The capital and largest c ...
; one on Iloc Island in
Linapacan
Linapacan, officially the Municipality of Linapacan (), is a municipality in the province of Palawan, Philippines. According to the 2020 census, it has a population of 16,424 people.
History
When the Spaniards came in the 16th century, they mad ...
and over
El Nido before finally moving over and accelerated into the
South China Sea
The South China Sea is a marginal sea of the Western Pacific Ocean. It is bounded in the north by South China, in the west by the Indochinese Peninsula, in the east by the islands of Taiwan island, Taiwan and northwestern Philippines (mainly Luz ...
. At 14:30 UTC of October 4, the JTWC reissued a TCFA once again on the system as it reorganized along with a conducive environment in the area. A day later at 06:00 UTC, the
Japan Meteorological Agency
The Japan Meteorological Agency (JMA; ''気象庁, Kishō-chō'') is a division of the Ministry of Land, Infrastructure, Transport and Tourism dedicated to the Scientific, scientific observation and research of natural phenomena. Headquartered ...
(JMA) recognized the system in their bulletins as a tropical depression. Lannie exited the PAR at 11:00 PHT (03:00 UTC) on October 6 as it slightly inclined northwestward.
On October 7 at 09:00 UTC, the JTWC further upgraded the storm to a tropical depression, receiving the designation ''22W'' from the agency. The system, at that time, also consolidated further while transitioning to a monsoon depression as it continued to maintain a broad center with its wind field contracting along with 25-30 knot winds occurring in its core. Meanwhile, while centered over the northern
Paracel Islands
The Paracel Islands, also known as the Xisha Islands () and the Hoàng Sa Archipelago (), are a disputed archipelago in the South China Sea and currently controlled by the People's Republic of China.
The word ''paracel'' is of Portuguese origi ...
, the JMA reported that the system intensified to a tropical storm according to surface wind analysis and Dvorak ratings, nine hours later. The agency named the system ''Lionrock'' while the storm became stationary due to weak steering flow. However, the JTWC only followed suit on the next day as it turned northward as it was steered by the southwestern periphery of a subtropical ridge located to the northeast. The storm maintained this intensity before making landfall over
Qionghai
Qionghai, also called Keng Hai, is a County-level city, county-level city in Hainan, China. It is located in the east of Hainan Island.
Kachek city was the capital of Keng Hai. Kachek city was 2nd largest city in Hainan island. Previous counties ...
on 22:50 CST (14:50 UTC), further organizing its LLCC and its overall structure while located inland. It subsequently reintensified to its peak winds of , ten minutes later.
However, it weakened slightly while over the central part of the island, although its convective banding continued to consolidate.
Early on October 9, Lionrock emerged into the very warm and conducive waters of the
Gulf of Tonkin
The Gulf of Tonkin is a gulf at the northwestern portion of the South China Sea, located off the coasts of Tonkin ( northern Vietnam) and South China. It has a total surface area of . It is defined in the west and northwest by the northern co ...
.
However, it maintained its intensity of before it made its last landfall over
Haiphong
Haiphong or Hai Phong (, ) is the third-largest city in Vietnam and is the principal port city of the Red River Delta. The municipality has an area of , consisting of 8 urban districts, 6 rural districts and 1 municipal city (sub-city). Two o ...
, near
Cat Bi International Airport
Cat Bi International Airport is located in Hai Phong, Vietnam.
History First Indochina War
During the war Cat Bi Air Base was used by French Air Force ('), units based there included:
*Group de Chasse 2/22 ''Languedoc'' equipped with the F8F ...
on 09:00 UTC on the next day, with the JTWC issuing its final warning as a tropical depression. Although, its LLC remained somewhat defined on radar imagery but its winds weakened upon moving inland. The JMA also downgraded Lionrock to a depression three hours back as it tracked westward while over
Quảng Ninh Province of
Vietnam
Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...
.
Preparations and impacts
Philippines
Upon the PAGASA's designation for the storm, several areas in
Mimaropa
Mimaropa (officially stylized in all caps), officially the Southwestern Tagalog Region (), is an administrative region in the Philippines. The name is an acronym combination of its constituent provinces: Mindoro (divided into Occidental Mindo ...
, whole
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 ...
and northeastern
Mindanao
Mindanao ( ) is the List of islands of the Philippines, second-largest island in the Philippines, after Luzon, and List of islands by population, seventh-most populous island in the world. Located in the southern region of the archipelago, the ...
were placed under storm signal #1. The weather agency also warned flash floods, heavy rains, landslides and gusty winds from Lannie as the system moved over the country. Gale warnings were also in effect.
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 ...
and some provinces in Luzon, including
Isabela
Isabela may refer to:
People with the given name
* Isabela Boscov, Brazilian film critic
* Isabela Corona (1913–1993), Mexican actress
* Isabela Garcia (born 1967), Brazilian actress
* Isabela Moraes (born 1980), Brazilian synchronized swimmer
...
and
Cagayan
Cagayan ( ), officially the Province of Cagayan (; ; ; isnag language, Isnag: ''Provinsia nga Cagayan''; ivatan language, Ivatan: ''Provinsiya nu Cagayan''; ; ), is a Provinces of the Philippines, province in the Philippines located in the Cag ...
experienced heavy downpours from the "trough extension" of Lannie. In Siraway,
Zamboanga del Norte
Zamboanga del Norte (Cebuano language, Cebuano: ''Amihanang Zamboanga''; Subanon language, Subanon: ''Utara Sembwangan''; ), officially the Province of Zamboanga del Norte, is a Provinces of the Philippines, province in the Philippines situated w ...
, some residents living in the area were evacuated due to the same effect, causing waistline floods while nearly 200 families in
Pikit
Pikit, officially the Municipality of Pikit ( Maguindanaon: ''Inged nu Pikit'', Jawi: ايڠد نو ڤيكت; Hiligaynon: ''Banwa sang Pikit''; Cebuano: ''Lungsod sa Pikit''; Tagalog: ''Bayan ng Pikit'') is a municipality in the province ...
,
Cotabato City
Cotabato City, officially the City of Cotabato (Maguindanao language, Maguindanaon: ''Kuta nu Kutawatu'', Jawi alphabet, Jawi: ; Cebuano language, Cebuano: ''Dakbayan sa Cotabato''; ), is a Cities of the Philippines#Legal classification, inde ...
were rescued due to rain-induced flash floods that occurred from October 3–4. A family of three were also moved into safety by the
Philippine Coast Guard
The Philippine Coast Guard (PCG; ) is the third armed uniformed service of the country attached to the Philippines' Department of Transportation, tasked primarily with enforcing laws within Philippine waters, conducting maritime security ope ...
(PCG) on October 4 when their boat sank during the high waves from the storm between Pamilacan Island and
Loay, Bohol
Loay, officially the Municipality of Loay (; ), is a municipality in the province of Bohol, Philippines. According to the 2020 census, it has a population of 17,855 people.
Recent historical research found that instead of being in Bool, Tagbi ...
while two more fishermen were rescued by the authorities off Abacan River in
Cortes
Cortes, Cortés, Cortês, Corts, or Cortès may refer to:
People
* Cortes (surname), including a list of people with the name
** Hernán Cortés (1485–1547), a Spanish conquistador
Places
* Cortes, Navarre, a village in the South border of ...
. In
Tanjay
Tanjay, officially the City of Tanjay (; ), is a component city in the province of Negros Oriental, Philippines. According to the 2020 census, it has a population of 82,642 people.
The city is home to two indigenous languages, Minagahat and ...
, a man slipped into a spillway and were subsequently helped by stranded residents near the area while 50 households were evacuated to safety as a river overflowed in
Bais, Negros Oriental
Bais, officially the City of Bais (; ), is a component city in the province of Negros Oriental, Philippines. According to the 2020 census, it has a population of 84,317 people.
Etymology
In the early days of Spanish exploration, some Spaniard ...
. Landslides were also reported on
Cebu City
Cebu City, officially the City of Cebu, is a Cities of the Philippines#Legal classification, highly urbanized city in the Central Visayas region of the Philippines. According to the 2020 census, it has a population of 964,169 people, making ...
and
Talisay City while vaccination activities for October 5 on Zamboanga City were canceled as a result of bad weather and its resultant flooding in houses and rice fields. Five vessels and fifteen passengers in
Palawan
Palawan (, ), officially the Province of Palawan (; ), is an archipelagic province of the Philippines that is located in the region of Mimaropa. It is the largest province in the country in terms of total area of . The capital and largest c ...
were stranded as a result of Lannie, the PCG reported on the same day.
Four fatalities were already reported in the country as a result of the storm, three due to drowning in
Capiz
Capiz (), officially the Province of Capiz (Capiznon language, Capiznon/Hiligaynon language, Hiligaynon: ''Kapuoran sang Capiz''; ), is a Provinces of the Philippines, province in the central part of the Western Visayas Regions of the Philippines ...
and
Cebu
Cebu ( ; ), officially the Province of Cebu (; ), is a province of the Philippines located in the Central Visayas region, and consists of a main island and 167 surrounding islands and islets. The coastal zone of Cebu is identified as a ...
and the other one is for unknown reason in
Balasan. Damages in Western Visayas were calculated to be at (US$31,600). According to the
National Disaster Risk Reduction and Management Council
The National Disaster Risk Reduction and Management Council (NDRRMC), formerly known as the National Disaster Coordinating Council (NDCC) until August 2011, is a working group of various government, non-government, civil sector and private sect ...
(NDRRMC), 248 persons were displaced by Lannie and 1,701 families (8,048 individuals) were affected. 10 roadways were also disrupted and 77 seaports canceled sea operations. 19 houses and over of farmland were damaged. Total damages from the storm were stood at (US$241,000) as of October 7.
Hong Kong and Macau
Despite Lionrock being far away from Hong Kong and Macau, its large windfield prompted a Strong Wind Signal No. 3 for the territories. Further, it was upgraded to No. 8 Southeast Gale or Storm Signal on October 9 and it lasted 22 hours before being beaten by
Kompasu a few days later at 23 hours and 20 minutes. In addition, Lionrock was 560 km away from Hong Kong when it triggered the issuance of Signal 8 by the
HKO beating the previous record held by
Nangka the year before at 450 km.
On October 8, a 52-year old Frenchman was killed while his 57-year old friend was injured when their sailboats sank due to strong winds from the storm off
Po Toi Island,
Beaufort Island
Beaufort Island is an island in Antarctica's Ross Sea. It is the northernmost feature of the Ross Archipelago, in Hong Kong. A tree uprooted in Tsuen Wan-bound Lung Cheung Road, disrupting a lane while downed trees also affected Kowloon City, Prince Edward Road West and Cheung Fai Road in
Tsing Yi
Tsing Yi (), sometimes referred to as Tsing Yi Island, is an island in the New Territories of Hong Kong, to the northwest of Hong Kong Island and south of Tsuen Wan. With an area of , the island has been extended drastically by reclamation alo ...
. Scaffolding also fell on a street in
Wong Tai Sin
Wong Tai Sin or Huang Daxian () is a Chinese Taoist deity popular in Jinhua, Zhejiang, and Hong Kong with the power of healing. The name, meaning the "Great Immortal Wong (Huang)", is the divine form of Huang Chuping or Wong Cho Ping (; c. 328 ...
and over Broadwood Road due to strong winds from Lionrock, trapping two people in their respective cars. Two female workers were also stranded inside. They were rescued subsequently by authorities, with one of them being unconscious. She died subsequently, being the second casualty from the storm in the territory. On October 9,
Ngong Ping
Ngong Ping () is a highland in the western part of Lantau Island, Hong Kong. It hosts Po Lin Monastery and Tian Tan Buddha amidst the hills which is about 34 m tall. There are several hills nearby which are also an attraction to tourists. It is ...
recorded winds of and gusts of while the territory recorded of rainfall on October 8.
The direct economic loss was estimated at
HK$
The Hong Kong dollar (, sign: HK$; code: HKD) is the official currency of Hong Kong. It is divided into 100 cents. Historically, it was also divided into 1000 mils. The Hong Kong Monetary Authority is the monetary authority of Hong Kong an ...
220 million (US$28.3 million).
In Macau, six people suffered slight injury in related to the storm, but overall effects were minimal.
Mainland China
Emergency response teams with 95 vehicles, 2,471 people, 438 emergency repair vehicles and 358 generators were put on standby as Lionrock approached Hainan Island. The area's electric company also trimmed tree branches as a precaution for blackouts. 12 bus lines passing over the university town in
Haikou
Haikou; Chinese postal romanization, formerly romanized as Hoihow is the capital city, capital and most populous city of the Chinese province of Hainan. Haikou city is situated on the northern coast of Hainan, by the mouth of the Nandu River. ...
were suspended as a result of the storm while the
Haikou Crater Park were closed starting on October 8. 290 drainage workers also inspected drainage facilities on Hainan on October 8 while 75 individuals from Longhua District were relocated from their houses to a safe place to ride out the storm. Over 3,434 people from the area were evacuated while more than 20,000 fishing boats and vessels were asked to return to ports due to Lionrock. A blue warning was issued for mainland southeastern China, on the same day.
In
Zhuhai
Zhuhai; Yale romanization of Cantonese, Yale: ''Jyūhói''; Chinese postal romanization, also known as Chuhai is a prefecture-level city located on the west bank of the Pearl River (China), Pearl River estuary on the central coast of southern ...
, heavy rainfall fell due to Lionrock in various places, with being recorded from October 8 to 10 in Wanshan Town, leading to the storm being one of the wettest tropical cyclones ever recorded, in mainland China. Guangdong-Macao Intensive Cooperation Zone in Hengqin reported a rain accumulation of on October 10,
Xiangzhou District at and
Huangmaozhou Island at on that day. Many roadways were flooded and impassable, causing the cancellation of buses and the restriction of residents in the area. More than 60 shelters were also opened in Xiangzhou for possible evacuees. Traffic authorities on the area implemented traffic control from October 10. Ship activities were also suspended.
Hengqin Bridge were also closed for motorists due to heavy downpours. Power in the city were also cut as a precaution; its electric company
Zhuhai Power Supply Bureau promised that electricity will be restored as conditions become better.
In
Zhongshan
Zhongshan ( zh, c=中山 ), alternately romanized via Cantonese as Chungshan, is a prefecture-level city in the south of the Pearl River Delta in Guangdong province, China. As of the 2020 census, the whole city with 4,418,060 inhabitants is n ...
, rainfall exceeding were reported on Tanzhou, Sanxiang and other places in its south while the
Wugai Mountain at over . Primary and secondary schools in some districts were closed as a result. Authorities in the area performed several rescues on people being stranded in floods and those who can't evacuate themselves. Cars were also inundated by these floods. 165 people in total were rescued and 65 were evacuated to safety. The direct economic loss reached
¥290 million (US$45 million).
Vietnam
From night of October 7 to October 8, coastal provinces from
Quảng Trị
Quảng Trị () is a district-level town in Quảng Trị Province in the North Central Coast region of Vietnam. It is second of two municipalities in the province after the provincial capital Đông Hà.
History
The Sino-Vietnamese name Qu ...
to
Quảng Nam received enduring heavy rainfall, with Thượng Lộ on
Thừa Thiên Huế recording , Thuy Yen reservoir at and Nam Dong at . Floods swept away one person and seven cattles in Duy Xuyên District, Quảng Nam Province On Saturday, the victim was confirmed dead. On the same day, the storm killed one sailor in Thái Bình province. As Lionrock made its landfall over the country on October 10, torrential downpours also affected several provinces in the country. Nam Xay Luong 3 in
Lao Cai reported of rainfall and Ta Si Lang in
Yen Bai
The is the official currency of Japan. It is the third-most traded currency in the foreign exchange market, after the United States dollar and the euro. It is also widely used as a third reserve currency after the US dollar and the euro.
Th ...
at . Total damage was amounted to
₫32 billion (US$1.4 million).
Thailand
The remnants of Lionrock caused flooding in
Isan
Northeast Thailand or Isan (Isan language, Isan/, ; ; also written as Isaan, Isarn, Issarn, Issan, Esan, or Esarn; from Pāli ''isāna'' or Sanskrit ईशान्य ''īśānya'' "northeast") consists of 20 provinces in northeastern Thai ...
. 6,251 households were affected by the flooding, but no casualties were reported.
Notes
See also
*
Weather of 2021
The following is a list of weather events that occurred in 2021. The year began with La Niña conditions. There were several natural disasters around the world from various types of weather, including blizzards, cold waves, droughts, heat wave ...
*
Tropical cyclones in 2021
During 2021, tropical cyclones formed in seven major bodies of water, commonly known as tropical cyclone basins. Tropical cyclones will be assigned names by various weather agencies if they attain maximum sustained winds of . During the year, 136 ...
*
Tropical Storm Kujira (2015)
Tropical Storm Kujira was a tropical cyclone that prompted the PAGASA to declare the beginning of the rainy season in the Philippines. The ninth tropical depression, 8th named storm, and first storm to make landfall on China in the 2015 Pacific t ...
– Made landfall in a similar area in June 2015 and took a similar path
*
Tropical Storm Sinlaku (2020)
Tropical Storm Sinlaku was a weak tropical cyclone that impacted Vietnam, Thailand and Laos in early August 2020. Beginning as a tropical depression on July 31 in the South China Sea, Sinlaku was the fifth storm of the 2020 Pacific typhoon season ...
– Made landfall in a similar area in August 2020
*
Tropical Storm Prapiroon (2024) – Made landfall in a similar area in July 2024, also the first tropical cyclone to hit Vietnam in 640 days.
References
External links
JMA General Informationof Tropical Storm Lionrock (2117) from Digital Typhoon
JMA Best Track Dataof Tropical Storm Lionrock (2117)
JMA Best Track Data (Graphics)of Tropical Storm Lionrock (2117)
JTWC Best Track Dataof Tropical Storm 22W (Lionrock)
22W.LIONROCKfrom the U.S. Naval Research Laboratory
{{DEFAULTSORT:Lionrock (2021)
2021 Pacific typhoon season
Lionrock
Lionrock was a British big beat group, comprising record producer Justin Robertson, MC Buzz B, and producer, engineer, programmer and synthesist Roger Lyons. Lyons replaced recording engineer Mark Stagg in 1995. Their biggest chart success cam ...
Typhoons in the Philippines
Typhoons in China
Typhoons in Vietnam
October 2021 in Asia
Lionrock
Lionrock was a British big beat group, comprising record producer Justin Robertson, MC Buzz B, and producer, engineer, programmer and synthesist Roger Lyons. Lyons replaced recording engineer Mark Stagg in 1995. Their biggest chart success cam ...