Typhoon Bavi (2020)
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Typhoon Bavi (
transliterated Transliteration is a type of conversion of a text from one writing system, script to another that involves swapping Letter (alphabet), letters (thus ''wikt:trans-#Prefix, trans-'' + ''wikt:littera#Latin, liter-'') in predictable ways, such as ...
from Vietnamese Ba Vì), known in the Philippines as Severe Tropical Storm Igme, was a powerful
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 ...
that made landfall in
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and borders China and Russia to the north at the Yalu River, Yalu (Amnok) an ...
in late August 2020. The eighth named storm and third typhoon of the
2020 Pacific typhoon season 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 ...
, Bavi formed from a low pressure area depression on August 21 to the north of 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 ...
and strengthened into a tropical storm on August 22. Bavi gradually strengthened as it skirted
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
and
Okinawa most commonly refers to: * Okinawa Prefecture, Japan's southernmost prefecture * Okinawa Island, the largest island of Okinawa Prefecture * Okinawa Islands, an island group including Okinawa itself * Okinawa (city), the second largest city in th ...
, and became a typhoon on August 24. Passing over warm waters, Bavi turned to northwest and reached its peak intensity near
Jeju Island Jeju Island (Jeju language, Jeju/) is South Korea's largest island, covering an area of , which is 1.83% of the total area of the country. Alongside outlying islands, it is part of Jeju Province and makes up the majority of the province. The i ...
on August 26. Thereafter, increasing
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 cooler waters caused Bavi to quickly weaken. Bavi made landfall in North Korea on August 27, and became an extratropical cyclone shortly thereafter. Bavi caused minimal damage in portions of
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...
and
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
, but caused widespread structural damage and flooding in
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and borders China and Russia to the north at the Yalu River, Yalu (Amnok) an ...
. It was the first storm in two weeks span to affect
Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...
. Others were Maysak and Haishen.


Meteorological history

On August 19, the JTWC began monitoring a broad area of low pressure situated a couple hundred miles northeast of the Philippine archipelago. By the next day, the system rapidly organised, and the JTWC subsequently issued a Tropical Cyclone Formation Alert (TCFA), and on August 21, the area of low pressure organized into Tropical Depression 09W. At 15:00 UTC, the
PAGASA The Philippine Atmospheric, Geophysical and Astronomical Services Administration (, abbreviated as PAGASA , which means "hope" as in the Tagalog language, Tagalog word ''pag-asa'') is the National Meteorological and Hydrological Services (NMHS ...
named the system "Igme" and issued a severe weather bulletin for it. By the next day the system had intensified into a tropical storm, and the JMA gave it the name Bavi and upgraded it, with the JTWC doing the same. Favorable conditions allowed Bavi to rapidly intensify, and by 12:00 UTC on August 22, the system became a severe tropical storm. The system left the
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 ...
on the same day. Bavi's period of rapid intensification was brief, with its intensification significantly slowed on August 23. On August 24, Bavi was upgraded into a typhoon by the JTWC as it continued to slowly intensify. Later on that day, it became a Category 2 typhoon, with it becoming a Category 3 typhoon on the next day. As Bavi moved closer to the
Korean peninsula Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically divided at or near the 38th parallel between North Korea (Dem ...
, one person died in
Jeju Island Jeju Island (Jeju language, Jeju/) is South Korea's largest island, covering an area of , which is 1.83% of the total area of the country. Alongside outlying islands, it is part of Jeju Province and makes up the majority of the province. The i ...
on August 25. Soon afterwards, as Bavi moved northwards into very hostile conditions and high
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 ...
, which caused Bavi to rapidly weaken. Wind shear was still high and the storm started
extratropical transition Extratropical cyclones, sometimes called mid-latitude cyclones or wave cyclones, are low-pressure areas which, along with the anticyclones of high-pressure areas, drive the weather over much of the Earth. Extratropical cyclones are capable of p ...
. Around 00:30 UTC on August 27, a weakened Bavi made
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 ...
over
North Pyongan Province North Pyongan Province (also spelled North P'yŏngan; ; ) is a western provinces of North Korea, province of North Korea. The province was formed in 1896 from the northern half of the former Pyongan Province, P'yŏng'an Province, remained a pro ...
,
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and borders China and Russia to the north at the Yalu River, Yalu (Amnok) an ...
as a minimal typhoon. Both the JMA and the
JTWC 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 ...
issued their final advisory on Bavi a few hours later as it became an extratropical cyclone over
Northeastern China Northeast China () is a geographical region of China, consisting officially of three provinces Liaoning, Jilin and Heilongjiang. The heartland of the region is the Northeast China Plain, the largest plain in China with an area of over . The regi ...
.


Preparations, impact, and aftermath


Japan

Bavi caused wind gusts of over and dropped of rain on the island of
Okinawa most commonly refers to: * Okinawa Prefecture, Japan's southernmost prefecture * Okinawa Island, the largest island of Okinawa Prefecture * Okinawa Islands, an island group including Okinawa itself * Okinawa (city), the second largest city in th ...
. Agricultural damage in Okinawa Prefecture was
JP¥ 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. T ...
25.14 million (US$237 thousand). Large waves associated with Bavi were reported as far away as
Kagoshima Prefecture is a Prefectures of Japan, prefecture of Japan located on the island of Kyushu and the Ryukyu Islands. Kagoshima Prefecture has a population of 1,527,019 (1 February 2025) and has a geographic area of 9,187 Square kilometre, km2 (3,547 Square m ...
.


South Korea

In South Korea, as a precaution over 470 flights were cancelled and railroad services were halted. Public parks were also closed for the typhoon. In
Jeju Island Jeju Island (Jeju language, Jeju/) is South Korea's largest island, covering an area of , which is 1.83% of the total area of the country. Alongside outlying islands, it is part of Jeju Province and makes up the majority of the province. The i ...
, five people were swept away by strong waves, one of them died later. Heavy rainfall was also reported in the island with a maximum amount of being reported near
Mount Halla Hallasan () is a shield volcano comprising much of Jeju Island in South Korea. Its summit, at , is the highest point in the country. The area around the mountain is a designated national park, named Hallasan National Park. Hallasan is commonly c ...
. Despite a close pass to mainland
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...
, damage was minimal, consisting mostly of power outages, broken windows, and downed trees. Nevertheless, more than 100 reports of damage was submitted. The typhoon forced about 30 people in
Gokseong Gokseong County () is a county in Jeollanam-do, South Korea and the least densely populated subdivision of the province. Attractions * Taeansa Temple * Neungpa Tower * Seomjin River * Dongli mountain valley * Gok-song Haneulnari Village (a farmi ...
,
South Jeolla Province South Jeolla Province (), formerly South Chŏlla Province, also known as Jeonnam (), is a province in the Honam, Honam region, South Korea, and the Provinces of Korea, southernmost province in mainland Korea. South Jeolla borders the provinces of ...
, to evacuate due to landslides. About 440 flights were cancelled at eleven airports across the country, while nearly 160 passenger ferries were grounded on 99 ferry routes. Roughly 1,600 households in South Korea lost power. Losses in Jeju reached
The won sign , is a currency symbol. It represents the South Korean won, the North Korean won and, unofficially, the old Korean Empire won, Korean won. Appearance Its appearance is "W" (the first letter of "Won") with a horizontal strike ...
484 million (US$408 thousand).


North Korea

North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and borders China and Russia to the north at the Yalu River, Yalu (Amnok) an ...
n leader
Kim Jong-un Kim Jong Un (born 8 January 1983 or 1984) is a North Korean politician and dictator who has served as supreme leader of North Korea since 2011 and general secretary of the Workers' Party of Korea (WPK) since 2012. He is the third son of Kim ...
held a high-level political conference where he voiced his concerns about Typhoon Bavi and the
COVID-19 pandemic The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an disease outbreak, outbreak of COVID-19 in Wuhan, China, in December ...
. He ordered all levels of the
Workers' Party Workers' Party is a name used by several political parties throughout the world. The name has been used by both organisations on the left and right of the political spectrum. It is currently used by followers of Marxism, Marxism–Leninism, Maoism ...
to take steps to protect the country from the threat of the storm. Snapped utility poles and trees were reported near Bavi's landfall location, as well as flooded roads. A peak precipitation amount of was reported in Anju. Several homes and public buildings were damaged in
North North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating Direction (geometry), direction or geography. Etymology T ...
and
South South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both west and east. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþa ...
Hwanghae provinces. In an unusual step,
Korean Central Television Korean Central Television (KCTV; ) is a North Korean television service operated by the Korean Central Broadcasting Committee, a state-owned broadcaster in North Korea. It is broadcast terrestrially via the Pyongyang TV Tower in Moranbong-g ...
remained on the air overnight on 27 August as the typhoon impacted the country, interrupting programs every 30 minutes with updates from the
State Hydro-Meteorological Administration The State Hydro-Meteorological Administration ( Chosongul: ) is the National Meteorological service of the Democratic People's Republic of Korea. The service started in 1961, joining the WMO in 1975. History Immediately after liberation, on Jul ...
. It later broadcast images of storm damage, as well as field reports from correspondents in
Pyongyang Pyongyang () is the Capital city, capital and largest city of North Korea, where it is sometimes labeled as the "Capital of the Revolution" (). Pyongyang is located on the Taedong River about upstream from its mouth on the Yellow Sea. Accordi ...
and
Nampo Nampo (North Korean official spelling: Nampho; ), also spelled Namp'o, is a major city in North Korea which is the country's List of cities in North Korea, fourth-largest by population. The city is an important seaport in the country as it lies ...
—a major divergence from the strict format and content of all other KCTV news bulletins, where the activities of Kim Jong-un take precedence. No other coverage of the storm was included in KCTV bulletins until 28 August, when a story followed Kim as he inspected damage from the storm.


China

Several weather alerts were issued for portions of
China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
as Typhoon Bavi neared. The Chinese Ministry of Emergency Management stated that 20,000 firefighters had been deployed equipped with 329 rescue boats. In
Northeast China Northeast China () is a geographical region of China, consisting officially of three provinces Liaoning, Jilin and Heilongjiang. The heartland of the region is the Northeast China Plain, the largest plain in China with an area of over . The regi ...
, rounds of heavy downpours brought up to of rainfall in some areas. Damage in
Dalian Dalian ( ) is a major sub-provincial port city in Liaoning province, People's Republic of China, and is Liaoning's second largest city (after the provincial capital Shenyang) and the third-most populous city of Northeast China (after Shenyang ...
amounted to be
CN¥ 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 Chin ...
76.54 million (US$11.1 million).


See also

*
Weather of 2020 The following is a list of weather events that occurred on Earth in the year 2020. Global conditions As 2020 began, sea surface temperatures were above normal in the eastern Pacific Ocean near the equator, which had the potential to develop ...
*
Tropical cyclones in 2020 2020 was regarded as the most active tropical cyclone year on record, documenting 104 named tropical systems. During the year, 142 tropical cyclones formed in bodies of water known as tropical cyclone basins. Of these, a record-high of 104, ...
*
Typhoon Prapiroon (2000) Typhoon Prapiroon () , known in the Philippines as Typhoon Lusing, was the costliest tropical cyclone to strike the Korean Peninsula and the tenth costliest in the West Pacific on record, as of August 2023. Prapiroon developed as a tropical dep ...
– Had a similar track. * Typhoon Kompasu (2010) – Affected the South Korean capital, Seoul. *
Typhoon Bolaven (2012) Typhoon Bolaven, known in the Philippines as Typhoon Julian, was regarded as the most powerful storm to strike the Korean Peninsula in nearly a decade, with wind gusts measured up to . Forming as a tropical depression on August 19, 2012, to ...
– Another typhoon that made landfall as a tropical storm in North Korea. *
Typhoon Lingling (2019) Typhoon Lingling, also known in the Philippines as Typhoon Liwayway, was a powerful typhoon that hit the Philippines, China, and Korea in early September 2019. It was also the strongest to strike North Korea. Lingling caused agriculture damage to ...
– Previous typhoon to hit North Korea prior to Bavi. *
Typhoon Maysak (2020) Typhoon Maysak, known in the Philippines as Typhoon Julian, was a deadly, damaging and powerful tropical cyclone that struck the Ryukyu Islands and the Korean Peninsula in early September 2020. The third typhoon of the 2020 Pacific typhoon season ...
– A storm that struck South Korea a week later. *
Typhoon Haishen (2020) Typhoon Haishen, known in the Philippines as Super Typhoon Kristine, was a powerful tropical cyclone that became the first super typhoon of the 2020 Pacific typhoon season. Being also the tenth named storm and this season's fifth typhoon, Hais ...
– A storm that struck the
Korean Peninsula Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically divided at or near the 38th parallel between North Korea (Dem ...
after Bavi and Maysak. *
Typhoon Khanun (2023) Typhoon Khanun (), known in the Philippines as Typhoon Falcon, was a powerful, erratic and long-lived tropical cyclone that moved along Okinawa, Japan and the west coast of the Korean Peninsula in early August 2023. It was the sixth named storm ...
– A typhoon that also stalled in the Okinawa Islands before making it to the
Korean Peninsula Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically divided at or near the 38th parallel between North Korea (Dem ...
.


References


External links

{{DEFAULTSORT:Bavi (2020) Tropical cyclones in 2020 2020 Pacific typhoon season