Tropical cyclones in 2018

Last updated
Tropical cyclones in 2018
Tropical cyclones in 2018.png
Year summary map
Year boundaries
First system Ava
FormedDecember 27, 2017
Last system Penny
DissipatedJanuary 9, 2019
Strongest system
Name Kong-rey & Yutu
Lowest pressure900 mbar/hPa; 26.58 inHg
Longest lasting system
Name Iris
Duration24 days
Year statistics
Total systems150
Named systems101
Total fatalities1,500 total
Total damage> $75.14 billion (2018 USD)
Related articles
Other years
2016, 2017, 2018, 2019, 2020

Tropical cyclones in 2018 were spread out across seven different areas called basins; two strongest of these tropical cyclones were typhoons Kong-rey and Yutu, both strengthened to a minimum barometric pressure of 900  mbar (hPa; 26.43  inHg). 150 tropical cyclones had formed this year to date. 101 tropical cyclones had been named by either a Regional Specialized Meteorological Center (RSMC) or a Tropical Cyclone Warning Center (TCWC). The most active basin in the year was the Western Pacific, which documented 28 named systems, while the Eastern Pacific, despite only amounting to 23 named systems, including on unnamed subtropical cyclone, was its basin's hyperactive and produced the highest Accumulated cyclone energy (ACE) in only season since 1992. Conversely, both the North Atlantic hurricane and North Indian Ocean cyclone seasons experienced the average number of cyclones reaching tropical storm intensity in recorded history, numbering 15 and 7, respectively. Activity across the southern hemisphere's three basins—South-West Indian, Australian, and South Pacific—was spread evenly, with each region recording seven named storms apiece.

Tropical cyclone basins area of tropical cyclone formation

Traditionally, areas of tropical cyclone formation are divided into seven basins. These include the north Atlantic Ocean, the eastern and western parts of the northern Pacific Ocean, the southwestern Pacific, the southwestern and southeastern Indian Oceans, and the northern Indian Ocean. The western Pacific is the most active and the north Indian the least active. An average of 86 tropical cyclones of tropical storm intensity form annually worldwide, with 47 reaching hurricane/typhoon strength, and 20 becoming intense tropical cyclones, super typhoons, or major hurricanes.

Typhoon Kong-rey (2018)

Typhoon Kong-rey, known in the Philippines as Typhoon Queenie, was a large and powerful typhoon that was tied with Typhoon Yutu as the most powerful tropical cyclone worldwide in 2018. The twenty-fifth tropical storm and eleventh typhoon of the 2018 Pacific typhoon season, Kong-rey originated from a tropical disturbance in the open Pacific. For a couple days, it went westward, organizing into a tropical depression on September 27. Then it intensified into a powerful Category 5 super typhoon early on October 2. Kong-rey underwent an eyewall replacement cycle after its peak intensity, causing it to weaken into a Category 3 typhoon under unfavorable conditions. Kong-rey then struck South Korea on October 6 as a tropical storm. Kong-rey transitioned into a extratropical cyclone later that day while impacting Japan.

Typhoon Yutu Pacific typhoon in 2018

Typhoon Yutu, known in the Philippines as Typhoon Rosita, was an extremely powerful tropical cyclone that caused catastrophic destruction on the islands of Tinian and Saipan in the Northern Mariana Islands, and later impacted the Philippines. It is the strongest typhoon ever recorded to impact the Mariana Islands, as well as the second-strongest tropical cyclone to strike the United States and its unincorporated territories by both wind speed and barometric pressure; the latter record is tied with Hurricane Camille of 1969. Yutu was also the most powerful tropical cyclone worldwide in 2018. The twenty-sixth named storm, twelfth typhoon, and the seventh super typhoon of the 2018 Pacific typhoon season, Yutu originated from a low-pressure area that formed in the western Pacific Ocean on October 15. The disturbance organized into a tropical depression on the same day, as ocean sea-surface heat content increased. Shortly becoming a tropical depression, the Joint Typhoon Warning Center (JTWC) assigned the system the identifier 31W. The system continued to strengthen, becoming a tropical storm several hours later, with the Japan Meteorological Agency (JMA) naming the system Yutu. Increasingly favorable conditions allowed Yutu to explosively intensify, as the system maintained deep convection and subsequently became a severe tropical storm and then a typhoon.

Contents

The highest accumulated cyclone energy (ACE) from a single tropical cyclone this year was Hurricane Hector in the East Pacific in a total index of 50.5375 units. The costliest tropical cyclone of the year was Hurricane Michael in the Atlantic which struck Florida in October causing US$25.1 billion in damage. The deadliest tropical cyclone of the year was Tropical Storm Son-Tinh in the West Pacific which killed 170 people in Vietnam and Laos.

Accumulated cyclone energy (ACE) is a measure used by various agencies including the National Oceanic and Atmospheric Administration (NOAA) and the India Meteorological Department to express the activity of individual tropical cyclones and entire tropical cyclone seasons. It uses an approximation of the wind energy used by a tropical system over its lifetime and is calculated every six hours. The ACE of a season is the sum of the ACEs for each storm and takes into account the number, strength, and duration of all the tropical storms in the season. The highest ACE calculated for a single storm is 82, for Hurricane/Typhoon Ioke in 2006.

Hurricane Hector (2018) Category 4 hurricane

Hurricane Hector was a powerful and long-lived tropical cyclone that was the first to traverse all three North Pacific basins since Genevieve in 2014. The eighth named storm, fourth hurricane, and third major hurricane of the 2018 Pacific hurricane season, Hector originated from an area of low pressure that formed a couple hundred miles west-southwest of Mexico on July 28. Amid favorable weather conditions, a tropical depression formed a few days later on July 31. The depression continued strengthening and became Tropical Storm Hector on the next day. Hector became a hurricane on August 2, and rapidly intensified into a strong Category 2 hurricane later in the day. After weakening while undergoing an eyewall replacement cycle, Hector quickly strengthened into a Category 4 hurricane late on August 5. Over the next week, Hector fluctuated in intensity multiple times due to eyewall replacement cycles and shifting wind shear. Hector achieved its peak intensity on August 6, as a high-end Category 4 hurricane with winds of 155 mph (250 km/h). On the following day, the hurricane bypassed Hawaii approximately 200 mi (320 km) to the south. Increasing wind shear resulted in steady weakening of the storm, beginning on August 11. At that time, Hector accumulated the longest continuous stretch of time as a major hurricane in the northeastern Pacific since reliable records began. Eroding convection and dissipation of its eye marked its degradation to a tropical storm on August 13. The storm subsequently traversed the International Dateline that day. Hector later weakened into a tropical depression on August 15, before dissipating late on August 16.

Hurricane Michael Category 5 Atlantic hurricane in 2018

Hurricane Michael was the first Category 5 hurricane to strike the contiguous United States since Andrew in 1992. In addition, it was the third-most intense Atlantic hurricane to make landfall in the contiguous United States in terms of pressure, behind the 1935 Labor Day hurricane and Hurricane Camille of 1969. It was the first Category 5 hurricane on record to impact the Florida Panhandle, and was the fourth-strongest landfalling hurricane in the contiguous United States, in terms of wind speed.

Tropical cyclone activity in each basin is under the authority of an RSMC. The National Hurricane Center (NHC) is responsible for tropical cyclones in the North Atlantic and East Pacific. The Central Pacific Hurricane Center (CPHC) is responsible for tropical cyclones in the Central Pacific. Both the NHC and CPHC are subdivisions of the National Weather Service. Activity in the West Pacific is monitored by the Japan Meteorological Agency (JMA). Systems in the North Indian Ocean are monitored by the Indian Meteorological Department (IMD). The Météo-France located in Réunion (MFR) monitors tropical activity in the South-West Indian Ocean. The Australian region is monitored by five TCWCs that are under the coordination of the Australian Bureau of Meteorology (BOM). Similarly, the South Pacific is monitored by both the Fiji Meteorological Service (FMS) and the Meteorological Service of New Zealand Limited. Other, unofficial agencies that provide additional guidance in tropical cyclone monitoring include the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) and the Joint Typhoon Warning Center (JTWC).

National Hurricane Center Division of the United States National Weather Service

The National Hurricane Center (NHC) is the division of the United States' National Weather Service responsible for tracking and predicting tropical weather systems between the Prime Meridian and the 140th meridian west poleward to the 30th parallel north in the northeast Pacific Ocean and the 31st parallel north in the northern Atlantic Ocean. The agency, which is co-located with the Miami branch of the National Weather Service, is situated on the campus of Florida International University in University Park, Florida.

National Weather Service United States weather agency

The National Weather Service (NWS) is an agency of the United States federal government that is tasked with providing weather forecasts, warnings of hazardous weather, and other weather-related products to organizations and the public for the purposes of protection, safety, and general information. It is a part of the National Oceanic and Atmospheric Administration (NOAA) branch of the Department of Commerce, and is headquartered in Silver Spring, Maryland, within the Washington metropolitan area. The agency was known as the United States Weather Bureau from 1890 until it adopted its current name in 1970.

Japan Meteorological Agency meteorological service of Japan

The Japan Meteorological Agency, JMA, is an agency of the Ministry of Land, Infrastructure, Transport and Tourism. It is charged with gathering and providing results for the public in Japan, that are obtained from data based on daily scientific observation and research into natural phenomena in the fields of meteorology, hydrology, seismology and volcanology, among other related scientific fields. Its headquarters is located in Chiyoda, Tokyo.

Global atmospheric and hydrological conditions

Northern Atlantic Ocean

In the North Atlantic Ocean, atmospheric and hydrological conditions were generally unfavorable for tropical cyclogenesis. In the tropical Atlantic, sea surface temperatures were cooler than average, characteristic of a negative phase of the Atlantic Multidecadal Oscillation (AMO). [1] Additionally, high quantities of Saharan dust along with stronger than average upper-level wind shear over the tropical Atlantic created an unfavorable atmospheric environment. Despite the unfavorable conditions present, activity in the tropical Atlantic was plentiful, with Hurricanes Beryl, [2] Florence, [3] Helene, [4] Isaac, [5] and Michael developing in the region. On the contrary, conditions in the subtropical Atlantic were more conducive to tropical cyclone formation, with sea surface temperatures being warmer than average. 6 tropical cyclones; Beryl, [6] Chris, [7] Debby, [8] Ernesto, [9] Joyce [10] and Leslie [11] developed or reformed in the subtropical Atlantic.

The Tropical Atlantic realm is one of twelve marine realms that cover the world's coastal seas and continental shelves.

Wind shear

Wind shear, sometimes referred to as wind gradient, is a difference in wind speed or direction over a relatively short distance in the atmosphere. Atmospheric wind shear is normally described as either vertical or horizontal wind shear. Vertical wind shear is a change in wind speed or direction with change in altitude. Horizontal wind shear is a change in wind speed with change in lateral position for a given altitude.

Hurricane Beryl

Hurricane Beryl was the second-earliest Atlantic hurricane to form in the main development region (MDR) on record, the first to form in the MDR in July since Bertha in 2008, and the first July Atlantic hurricane since Arthur in 2014. The second named storm and first hurricane of the 2018 Atlantic hurricane season, Beryl formed from a vigorous tropical wave that moved off the west coast of Africa on July 2. The wave quickly organized into a tropical depression over the central Atlantic by July 4. Rapid intensification took place and it quickly became a tropical storm at 18:30 UTC that day. Just less than 15 hours later, Beryl strengthened into the first hurricane of the season, reaching its peak intensity on July 6. Increasingly unfavorable conditions caused a rapid deterioration of the cyclone shortly after peak, with Beryl falling to tropical storm status on the next day as it began to accelerate towards the Caribbean. Late on July 8, it degenerated into a tropical wave shortly before reaching the Lesser Antilles. The remnants were monitored for several days, although they failed to organize significantly until July 14, when it regenerated into a subtropical storm six days after its initial dissipation. However, the newly-reformed storm quickly lost convection, and it degenerated into a remnant low early on July 16, while over the Gulf Stream.

Eastern Pacific Ocean

Western Pacific Ocean

Northern Indian Ocean

Southern Pacific Ocean

Southwestern Indian Ocean

Other areas

Summary

Typhoon YutuHurricane WillaTropical Storm Vicente (2018)Hurricane MichaelHurricane WalakaHurricane Sergio (2018)Typhoon Kong-rey (2018)Hurricane Rosa (2018)Hurricane Leslie (2018)Typhoon Mangkhut (2018)Tropical Storm Gordon (2018)Hurricane Olivia (2018)Hurricane FlorenceTyphoon Jebi (2018)Hurricane Lane (2018)Hurricane John (2018)Hurricane Hector (2018)Typhoon JongdariTropical Storm Son-Tinh (2018)Hurricane BerylTyphoon Maria (2018)Tropical Storm Carlotta (2018)Hurricane Bud (2018)Tropical Storm Ewiniar (2018)Tropical Storm Alberto (2018)Cyclone MekunuCyclone SagarCyclone MarcusCyclone HolaCyclone KelvinCyclone GitaTropical Storm Bolaven (2018)tropical cyclone basinsTropical cyclones in 2018

Systems

January

Cyclone Cebile Cebile 2018-01-31 0525Z.jpg
Cyclone Cebile

A total of thirteen tropical systems of all intensities were monitored during January 2018, of which seven developed further and were named by the various warning centres. As the year opened a tropical depression that was being monitored by the JMA within the Western Pacific, while a weak tropical low existed within the Australian region to the south of Sumatra. During that day, the depression entered PAGASA's self-defined area of responsibility, where it was assigned the name Agaton. In the middle of the month, Cyclone Berguitta passed very close to Mauritius and Réunion, causing millions in damages and a fatality. The only system to cause significant damage was Tropical Cyclone Fehi which caused tens of millions in damages when it brought severe flooding to New Zealand in late January.

Mauritius Island nation in the Indian Ocean

Mauritius, officially the Republic of Mauritius, is an island nation in the Indian Ocean. The main Island of Mauritius is located about 2,000 kilometres (1,200 mi) off the southeast coast of the African continent. The Republic of Mauritius also includes the islands of Rodrigues, Agalega and St. Brandon. The capital and largest city Port Louis is located on the main island of Mauritius.

Réunion Overseas region and department in France

Réunion is an overseas department and region of France and an island in the Indian Ocean, east of Madagascar and 175 km (109 mi) southwest of Mauritius. As of January 2019, it had a population of 866,506.

New Zealand Country in Oceania

New Zealand is a sovereign island country in the southwestern Pacific Ocean. The country geographically comprises two main landmasses—the North Island, and the South Island —and around 600 smaller islands. New Zealand is situated some 2,000 kilometres (1,200 mi) east of Australia across the Tasman Sea and roughly 1,000 kilometres (600 mi) south of the Pacific island areas of New Caledonia, Fiji, and Tonga. Because of its remoteness, it was one of the last lands to be settled by humans. During its long period of isolation, New Zealand developed a distinct biodiversity of animal, fungal, and plant life. The country's varied topography and its sharp mountain peaks, such as the Southern Alps, owe much to the tectonic uplift of land and volcanic eruptions. New Zealand's capital city is Wellington, while its most populous city is Auckland.

Tropical cyclones formed in January 2018
Storm NameDates ActiveMax wind
km/h (mph)
Pressure
(hPa)
Areas AffectedDamage
(USD)
DeathsRefs
Ava December 27-January 9155 (100)965 Madagascar 73
Bolaven (Agaton) December 29-January 465 (40)1002 Caroline Islands, Philippines, Vietnam 3
07U January 1–2N/A1006NoneNoneNone
Irving January 3–9150 (90)964NoneNoneNone
Joyce January 7–1685 (50)978 Western Australia NoneNone
Berguitta January 9–20165 (105)940 Mauritius, Réunion 1
04 January 14–1655 (35)999Madagascar, Mozambique 11
10U January 14–19UnspecifiedUnspecified Christmas Island NoneNone
11U January 20–February 175 (45)985 Top End, Western AustraliaNoneNone
12UJanuary 23–24UnspecifiedUnspecifiedNoneNoneNone
Cebile January 25–February 4185 (115)944NoneNoneNone
05F January 26–27Unspecified996 New Caledonia NoneNone
Fehi January 28–3085 (50)986New Caledonia, New Zealand None [12]

February

Cyclone Gita Gita 2018-02-14 0150Z.jpg
Cyclone Gita

The month of February was inactive, with only six tropical cyclones forming. However, Cyclone Gita became the most intense tropical cyclone to affect Tonga since records began. Gita was also one of the worst tropical cyclones to affect the island nation, causing significant agricultural and structural damages totalling in the hundreds of millions as well as a couple fatalities. Tropical Storm Sanba was a system that made landfall in the Philippines, resulting in a few million in damage and over a dozen fatalities. Cyclone Kelvin was unusual in that it maintained a healthy structure over land through a process known as the brown ocean effect, leading to tens of millions in damages.

Cyclone Gita

Severe Tropical Cyclone Gita was the most intense tropical cyclone to impact Tonga since reliable records began. The second named storm and first major tropical cyclone of the 2017–18 South Pacific cyclone season, Gita originated from a monsoon trough that was active in the South Pacific in early February 2018. First classified as a tropical disturbance on 3 February, the nascent system meandered near Vanuatu for several days with little development. After acquiring a steady east trajectory near Fiji, it organized into a Category 1 tropical cyclone on 9 February near Samoa. Arcing south in a clockwise turn, the system rapidly intensified, and became a severe tropical cyclone on 10 February near Niue.

Tonga country in Oceania

Tonga, officially the Kingdom of Tonga, is a Polynesian country and archipelago comprising 169 islands, of which 36 are inhabited. The total surface area is about 750 square kilometres (290 sq mi) scattered over 700,000 square kilometres (270,000 sq mi) of the southern Pacific Ocean. The sovereign state has a population of 100,651 people, of whom 70% reside on the main island of Tongatapu.

Philippines Republic in Southeast Asia

The Philippines, officially the Republic of the Philippines, is an archipelagic country in Southeast Asia. Situated in the western Pacific Ocean, it consists of about 7,641 islands that are categorized broadly under three main geographical divisions from north to south: Luzon, Visayas, and Mindanao. The capital city of the Philippines is Manila and the most populous city is Quezon City, both part of Metro Manila. Bounded by the South China Sea on the west, the Philippine Sea on the east and the Celebes Sea on the southwest, the Philippines shares maritime borders with Taiwan to the north, Vietnam to the west, Palau to the east, and Malaysia and Indonesia to the south.

Tropical cyclones formed in February 2018
Storm NameDates ActiveMax wind
km/h (mph)
Pressure
(hPa)
Areas AffectedDamage
(USD)
DeathsRefs
14U February 1UnspecifiedUnspecifiedNoneNoneNone
Gita February 3–19205 (125)927 Vanatu, Fiji, Wallis and Futuna, Samoa, American Samoa, Niue, Tonga, New Caledonia, Queensland, New Zealand $250 million2 [12]
08F February 3–11Unspecified994FijiNoneNone
Sanba (Basyang) February 8–1665 (40)1000 Caroline Islands, Philippines 15 [13]
15U February 9–12UnspecifiedUnspecifiedNoneNoneNone
Kelvin February 11–20150 (90)955 Top End, Western Australia, South Australia $25 millionNone [14] [12]

March

Cyclone Marcus Marcus 2018-03-22 0632Z.jpg
Cyclone Marcus

March was an active month with twelve systems. Early in the month, Cyclone Hola formed near Vanuatu causing a few fatalities and later passed by New Caledonia and New Zealand where it caused minor damages. At the same time, Tropical Depression 18U made landfall in Northern Territory, causing tens of millions in damage despite being a weak system. In the middle of the month, Cyclone Eliakim made landfall in Madagascar, causing close to two dozen deaths and an unknown amount of damage. Also forming in the middle of month, Cyclone Marcus was a very intense tropical cyclone that affected the Tanimbar Islands, Top End, and Kimberley, causing tens of millions in damages. Cyclone Iris was a very long lived system that formed several days later, lasting for nearly four weeks as a tropical cyclone before dissipating in mid-April. Cyclone Josie was a system that formed in late March. It affected southern Fiji, causing millions in damages and several deaths.

Tropical cyclones formed in March 2018
Storm NameDates ActiveMax wind
km/h (mph)
Pressure
(hPa)
Areas AffectedDamage
(USD)
DeathsRefs
Dumazile March 1–6165 (105)945 Madagascar, Réunion NoneNone
Hola March 3–11165 (105)952 Vanuatu, New Caledonia, New Zealand Unknown3 [15] [16]
18U March 4–9Unspecified1001 Northern Territory $40 millionNone [12]
Eliakim March 13–20110 (70)980Madagascar$3.21 million21 [17] [18]
Linda March 13–1675 (45)993 Solomon Islands, New Caledonia, South East Queensland NoneNone
ARB 01 March 13–1545 (30)3 1006 South India, Maldives NoneNone
Marcus March 14–24230 (145)912 Tanimbar Islands, Top End, Kimberley $75 millionNone [12]
Nora March 20–26155 (100)958 Cape York Peninsula, New Guinea, Top End NoneNone
Iris March 20–April 9100 (65)987NoneNoneNone
23U March 23–25Unspecified1004NoneNoneNone
Jelawat (Caloy) March 24–April 1195 (120)915 Caroline Islands NoneNone
Josie March 29–April 275 (45)993 Vanatu, Fiji, Tonga $10 million6 [12]

April

April was an inactive month with only four systems forming. Tropical Cyclone Keni made landfall in Fiji, causing millions in damages. Later in the month, Tropical Cyclone Fakir passed by Réunion, causing millions in damages and a small number of fatalities.

Tropical cyclones formed in April 2018
Storm NameDates ActiveMax wind
km/h (mph)
Pressure
(hPa)
Areas AffectedDamage
(USD)
DeathsRefs
Keni April 5–11140 (85)970 Vanuatu, Fiji, Tonga $50 millionNone [12]
14F April 17–20Unspecified1000 Rotuma NoneNone
Fakir April 20–24130 (80)975 Madagascar, Réunion, Mauritius $24.5 million2 [19] [12]
Flamboyan April 26–May 1110 (70)983NoneNoneNone

May

May was a relatively inactive month with only seven systems forming. In the middle of the month, Cyclone Sagar affected Yemen, Somalia, Djibouti, Ethiopia, causing tens of millions in damages and several dozen deaths. Several days later, Cyclone Mekunu affected Yemen, Oman, and Saudi Arabia, causing hundreds of millions in damages and close to a few dozen deaths. At the same time, Tropical Storm Alberto caused over a hundred million in damages and a dozen fatalities throughout the Northwest Caribbean and the Eastern United States. Late in the month, BOB 01 caused a few deaths in Myanmar.

Cyclone Mekunu Mekunu 2018-05-25 0947Z.jpg
Cyclone Mekunu
Tropical cyclones formed in May 2018
Storm NameDates ActiveMax wind
km/h (mph)
Pressure
(hPa)
Areas AffectedDamage
(USD)
DeathsRefs
Lexi May 4–975 (45)4 988 Alejandro Selkirk Island, Juan Fernández Islands, Chile NoneNone
04W May 10–15Unspecified1008NoneNoneNone
One-E May 10–1155 (35)4 1007NoneNoneNone
Sagar May 16–2085 (50)3 994 Yemen, Horn of Africa $30 million79 [20] [21] [22]
Mekunu May 21–27175 (110)3 960 Yemen, Oman, Saudi Arabia $1.5 billon31 [23] [24] [25]
Alberto May 25–31100 (65)4 990 Yucatán Peninsula, Cayman Islands, Cuba, Gulf Coast of the United States, Southeastern United States, Midwestern United States, Ontario $125 million18 [26]
BOB 01 May 29–3055 (35)3 990 Myanmar None5 [27]

June

Tropical Storm Ewiniar Ewiniar 2018-06-07 0600Z.jpg
Tropical Storm Ewiniar

June was an active month with fourteen systems having formed. In early June, Tropical Storm Ewiniar impacted South China and Vietnam, causing hundreds of millions in damages and over a dozen deaths. At the same time, Severe Tropical Storm Maliksi killed a couple people in the Philippines despite never making landfall. In the middle of the month, Tropical Storm Gaemi made landfall in Taiwan, causing a few fatalities. Late in the month, Prapiroon affected Japan and the Korean Peninsula, killing a few people and causing over ten million in damages.

Tropical cyclones formed in June 2018
Storm NameDates ActiveMax wind km/h (mph)Min pressure (mbar)Areas AffectedDamage (USD)DeathsRefs
Ewiniar June 2–975 (45)998 Vietnam, Philippines, South China, Taiwan, Ryukyu Islands 13 [28] [29]
Maliksi (Domeng) June 3–11110 (70)970 Ryukyu Islands, Philippines, Honshu None2 [30]
TD June 4–5Unspecified1006NoneNoneNone
Aletta June 6–11220 (140)4 943NoneNoneNone
Bud June 9–15220 (140)4 943Western Mexico, Baja California Sur, Southwestern United States MinimalNone
BOB 02 June 10–1145 (30)3 989 Bangladesh NoneNone
07W June 13–1565 (40)996 Taiwan, Ryukyu IslandsNoneNone
Gaemi (Ester) June 13–1685 (50)990Taiwan, Ryukyu IslandsNone3 [31]
Carlotta June 14–18100 (65)4 997Southwestern MexicoUnknownNone
TD June 17–18Unspecified1000 South China NoneNone
Daniel June 24–2675 (45)4 1004NoneNoneNone
Emilia June 27–July 195 (60)4 997NoneNoneNone
Prapiroon (Florita) June 28–July 4120 (75)960 Japan, Korean Peninsula $10 million4 [32] [33]
Fabio June 30–July 6175 (110)4 964NoneNoneNone

July

July was an active month with fourteen systems having formed. In the middle of the month, Typhoon Maria caused a few hundred million in damages and a couple deaths in East China. Around the same time, Hurricane Chris killed a person off the coast of North Carolina. Later in the month, Tropical Storm Son-Tinh impacted the Philippines, South China, Vietnam, Laos, Thailand, and Myanmar, causing over a $235 million in damages and several dozen deaths.

Typhoon Maria Maria 2018-07-09 0418Z.jpg
Typhoon Maria
Tropical cyclones formed in July 2018
Storm NameDates ActiveMax wind km/h (mph)Min pressure (mbar)Areas AffectedDamage (USD)DeathsRefs
Maria (Gardo) July 3–12195 (120)915 Mariana Islands, Ryukyu Islands, Taiwan, East China $623 million1 [34] [32]
Beryl July 5–16130 (80)4 991 Lesser Antilles, Hispaniola, Puerto Rico, Cuba, The Bahamas, Bermuda, Atlantic Canada MinimalNone
Chris July 6–12165 (105)4 969 Bermuda, East Coast of the United States, Atlantic Canada, Iceland Minimal1 [35]
Son-Tinh (Henry) July 16–2475 (45)994 Philippines, South China, Vietnam, Laos, Thailand, Myanmar $256 million170 [32]
TD July 16–17Unspecified998South China, Vietnam, Laos$14.9 millionNone [36]
Ampil (Inday) July 17–2495 (60)985Ryukyu Islands, China, Russian Far East $241 million1 [37]
13W (Josie) July 20–2355 (35)996Philippines, Taiwan, Ryukyu Islands, East China$87.4 million16 [38]
BOB 03 July 21–2345 (30)3 989 East India, North India Unknown69
Wukong July 22–2695 (60)990NoneNoneNone
Jongdari July 23–August 4140 (85)960Japan, East China$1.48 billionNone [39] [40]
Gilma July 26–2975 (45)4 1005NoneNoneNone
Nine-E July 26–2755 (35)4 1007NoneNoneNone
16W July 31–August 155 (35)1002NoneNoneNone
Hector July 31–August 16250 (155)4 936 Hawaii, Johnston Atoll MinimalNone

August

August was an active month with 21 systems having formed. Hurricane Florence made landfall in North Carolina with deadly flooding, resulting in $24.23 billion in damages [41] and killed 53 people, making it one of the costliest hurricanes to strike North Carolina, and the fourth deadliest to strike. Florence was also the first storm in the turn of activity. In the same month, Hurricane Lane made an extremely close pass near Hawaii after peaking as a Category 5 Hurricane, becoming Hawaii's wettest tropical cyclone on record [42] and the second wettest tropical cyclone in U.S. history, only behind Hurricane Harvey.

Hurricane Florence Florence 2018-09-11 1750Z.jpg
Hurricane Florence
Tropical cyclones formed in August 2018
Storm NameDates ActiveMax wind km/h (mph)Min pressure (mbar)Areas AffectedDamage (USD)DeathsRefs
Shanshan August 2–10130 (80)970 Mariana Islands, Japan $132 thousandNone
Ileana August 4–7100 (65)4 998Western Mexico, Baja California Sur Unknown8 [43]
John August 5–10175 (110)4 964Western Mexico, Baja California Sur, Southern California NoneNone
Yagi (Karding) August 6–1575 (45)990 Philippines, Taiwan, Ryukyu Islands, China $386 million8 [44] [45]
Kristy August 7–12110 (70)4 991NoneNoneNone
BOB 04 August 7–845 (30)3 992 East India NoneNone
Debby August 7–985 (50)4 998NoneNoneNone
Bebinca August 9–1785 (50)985 South China, Laos, Vietnam, Thailand, Myanmar $367 million19 [46] [47]
Leepi August 10–1595 (60)994Japan, South Korea NoneNone
Rumbia August 14–1985 (50)985Ryukyu Islands, China, Korean Peninsula, Russian Far East $5.36 billion53 [48] [49]
Soulik August 15–24155 (100)950 Caroline Islands, Mariana Islands, Northeast China, Japan, Korean Peninsula, Russian Far East, Alaska $84.5 million86 [50]
Lane August 15–29260 (160)4 922 Hawaii $250 million1 [40]
BOB 05 August 15–1745 (30)3 994East India, Central India, West India UnknownNone
Ernesto August 15–1875 (45)4 1003 Ireland, United Kingdom NoneNone
Cimaron August 16–24155 (100)950 Marshall Islands, Mariana Islands, Japan, Aleutian Islands $30.6 millionNone
24W (Luis) August 22–2655 (35)994Taiwan, East China $34 million7 [51] [40]
TD August 24–26Unspecified1000Ryukyu Islands, East ChinaNoneNone
Miriam August 26–September 2155 (100)4 974NoneNoneNone
Jebi (Maymay) August 26–September 4195 (120)915Mariana Islands, Taiwan, Japan, Russian Far East, Arctic $3.29 billion17 [52] [53] [54] [55]
Norman August 28–September 10240 (150)4 937HawaiiNoneNone
Florence August 31–September 17240 (150)4 937 West Africa, Cape Verde, Bermuda, Southeastern United States, Mid-Atlantic States, Atlantic Canada >$24.23 billion57

September

Typhoon Mangkhut Mangkhut 2018-09-12 0150Z.png
Typhoon Mangkhut

September was the most active month in the year at 23 tropical cyclones, including Hurricane Walaka, the second most intense in the Central Pacific on record and Typhoon Mangkhut as the third most intense worldwide of the year. Typhoon Kong-rey along with Hurricane Walaka both were Category 5 tropical cyclones on the Saffir-Simpson scale simultaneously in the Northern Hemisphere, marking the first time since 2005 that this rare occurrence happened. In the Atlantic, a turning point in the activity was also to be seen, with the 2018 Atlantic hurricane season to be the second Atlantic season in a row to see three hurricanes active at once on September 13.

Tropical cyclones formed in September 2018
Storm NameDates ActiveMax wind km/h (mph)Min pressure (mbar)Areas AffectedDamage (USD)DeathsRefs
Olivia September 1–13215 (130)4 951 Hawaii $25 millionNone
Gordon September 3–6110 (70)4 996 Greater Antilles, The Bahamas, Florida, Gulf Coast of the United States, Eastern United States, Ontario $200 million3 [56] [57]
TD September 5–855 (35)1000 Ryukyu Islands NoneNone
BOB 06 September 6–755 (35)3 990 East India UnknownNone
Mangkhut (Ompong) September 7–17205 (125)905 Marshall Islands, Mariana Islands, Philippines, Taiwan, Hong Kong, Macau, South China, Vietnam $3.74 billion134
Helene September 7–16175 (110)4 967 West Africa, Cape Verde, Azores, Ireland, United Kingdom, Norway Unknown3 [58]
Isaac September 7–15120 (75)4 995West Africa, Lesser Antilles, Haiti, Jamaica, Cayman Islands, Cuba MinimalNone
Barijat (Neneng) September 8–1375 (45)998Philippines, Taiwan, South China, Vietnam$7.3 millionNone
Paul September 8–1175 (45)4 1002NoneNoneNone
Joyce September 12–1985 (50)4 995NoneNoneNone
01 September 13–1775 (45)1004NoneNoneNone
Nineteen-E September 19–2055 (35)4 1002 Baja California Sur, Northwestern Mexico, Southwestern United States, Texas, Oklahoma, Arkansas >$296 million14
Daye September 19–2265 (40)3 992 Andhra Pradesh, East India, Central India, North India MinimalNone
Trami (Paeng) September 20–October 1195 (120)915Mariana Islands, Taiwan, Japan, Russian Far East, Alaska $1 billion4
TD September 21–22Unspecified1006NoneNoneNone
Eleven September 21–2255 (35)4 1007NoneNoneNone
Kirk September 22–29100 (65)4 998 Lesser Antilles $444,0002
Leslie September 23–October 13150 (90)4 968Azores, Bermuda, East Coast of the United States, Madeira, Iberian Peninsula, France >$500 million17
Rosa September 25–October 2240 (150)4 936 Baja California Peninsula, Northwestern Mexico, Southwestern United States$50.5 million3
29W September 25-2755 (35)1008NoneNoneNone
Liua September 26–2975 (45)994 Solomon Islands, Papua New Guinea NoneNone
Zorbas September 27–October 1120 (75)987 Tunisia, Libya, Greece, Turkey Unknown≥5
Kong-rey (Queenie) September 28–October 6215 (130)900 Caroline Islands, Mariana Islands, Japan, Taiwan, South Korea $172 million3
Sergio September 29–October 13220 (140)4 943Baja CalifornNorthwestern Mexico, Southwestern United States $352.1 million2
Walaka September 29–October 6260 (160)4 920 Johnston Atoll, Northwestern Hawaiian Islands, Alaska, British Columbia MinimalNone

October

Hurricane Michael Michael 2018-10-10 1715Z cropped.jpg
Hurricane Michael

October was an active month of the year but less so than previous months at 11 tropical cyclones. Typhoon Yutu became the strongest tropical cyclone in 2018, neck-to-neck with Typhoon Kong-rey. Hurricane Michael caused $25.1 billion in damage after making landfall on the Florida Panhandle, becoming the third most intense hurricane to make landfall in the Continental United States in terms of minimum pressure. Cyclonic Storms Luban and Titli caused extensive damage throughout countries of Yemen and India, also becoming the first pair of tropical cyclones ever recorded to be active in both the Arabian Sea and Bay of Bengal simultaneously. Hurricane Willa also became the closest Category 5 to Mexico since Patricia.

Tropical cyclones formed in October 2018
Storm NameDates ActiveMax wind km/h (mph)Min pressure (mbar)Areas AffectedDamage (USD)DeathsRefs
Luban October 6–15140 (85)3 976 Yemen, Oman $1 billion14
Michael October 7–11260 (160)4 919 Central America, Yucatán Peninsula, Cayman Islands, Cuba, Southeastern United States, East Coast of the United States, Atlantic Canada, Iberian Peninsula $25.1 billion74
Titli October 8–12150 (90)3 970 Andhra Pradesh, East India $920 million85
Nadine October 9–13100 (65)4 995NoneNoneNone
Tara October 14–17100 (65)4 995Southwestern Mexico UnknownNone [59]
Vicente October 19–2385 (50)4 1002 Honduras, El Salvador, Guatemala, Southwestern Mexico$7.05 million16 [60] [61]
TD October 19–20Unspecified1008 Vietnam, Cambodia, Thailand, Myanmar NoneNone
Willa October 20–24260 (160)4 925 Central America, Southwestern Mexico, Texas $537 million6 [62] [63]
TD October 20Unspecified1008NoneNoneNone
Yutu (Rosita) October 21–November 2215 (130)900 Caroline Islands, Mariana Islands, Philippines, South China, Taiwan $198 million30
Oscar October 27–31175 (110)4 966NoneNoneNone

November

Typhoon Man-yi Man-yi 2018-11-24 2250Z.png
Typhoon Man-yi

November featured 10 tropical cyclones. Cyclone Gaja made landfall in South India, resulting in about 60 fatalities.

Tropical cyclones formed in November 2018
Storm NameDates ActiveMax wind km/h (mph)Min pressure (mbar)Areas AffectedDamage (USD)DeathsRefs
Xavier November 2–5100 (65)4 995Southwestern Mexico NoneNone
Alcide November 5–11165 (105)965 Agaléga, Madagascar, Tanzania NoneNone
TDNovember 9<55 (35)1002NoneNoneNone
Bouchra November 9–2095 (60)990NoneNoneNone
Gaja November 10–19110 (70)3 992 Andaman Islands, South India, Sri Lanka $775 million52
02F November 11–16Unspecified1003 Solomon Islands NoneNone
TL November 14–18Unspecified1004 Java, Christmas Island NoneNone
Usagi (Samuel) November 14–26110 (70)990 Caroline Islands, Philippines, Vietnam, Cambodia, Laos $16 million4
Toraji November 16–2265 (40)1004Vietnam, Malay Peninsula $43.2 million22
Man-yi (Tomas) November 20–28150 (90)960Caroline Islands, Alaska NoneNone
Owen November 29–December 17150 (90)958 Solomon Islands, Papua New Guinea, Queensland, Northern Territory $25 million1

December

Cyclone Cilida Cilida 2018-12-21 0640Z.jpg
Cyclone Cilida

December was an active month with 13 tropical cyclones forming. Cyclone Cilida intensified into an Intense Tropical Cyclone, while never directly making landfall.

Tropical cyclones formed in December 2018
Storm NameDates ActiveMax wind km/h (mph)Min pressure (mbar)Areas AffectedDamage (USD)DeathsRefs
TL December 9—12Unspecified1005 Solomon Islands, Queensland NoneNone
Phethai December 13—18100 (65)3 993 East India, Northeast India $100 million8
Kenanga December 14—22185 (115)942NoneNoneNone
Cilida December 16—24215 (130)940 Mauritius MinimalNone
35W (Usman) December 25—2955 (35)1000 Palau, Philippines $103 million156 [64]
TL December 27—28Unspecified1001 Top End, Timor, Kimberley NoneNone
Penny December 26—January 995 (60)987 Papua New Guinea, QueenslandMinimalNone
Mona 6 December 28—January 795 (60)985 Solomon Islands, Fiji MinimalNone
03F December 28—January 155 (35)998Solomon Islands, FijiNoneNone
TL December 29—30Unspecified1007 Tagula Island NoneNone
TL December 30—January 2Unspecified1007JavaNoneNone
05F December 31—January 2Unspecified998NoneNoneNone

Global effects

Season nameAreas affectedSystems formedNamed systemsDamage (USD)Deaths
2018 Atlantic hurricane season West Africa, Cape Verde, Lesser Antilles, Greater Antilles, Cayman Islands, Central America, Gulf Coast of the United States, East Coast of the United States, Southeastern United States, Eastern United States, Midwestern United States, Bermuda, Ontario, Atlantic Canada, Iceland, Iberian Peninsula, Madeira, Azores, Ireland, United Kingdom, France, Norway 1615>$50.205 billion173
2018 Pacific hurricane season Central America, Mexico, Baja California Peninsula, Hawaii, Johnston Atoll, Northwestern Hawaiian Islands, Southwestern United States, Texas, Oklahoma, Arkansas, Alaska, British Columbia 2724>$1.57 billion52
2018 Pacific typhoon season 1 Caroline Islands, Marshall Islands, Mariana Islands, Guam, Philippines, Taiwan, China, Hong Kong, Macau, Vietnam, Cambodia, Laos, Malay Peninsula, Ryukyu Islands, Honshu, Japan, Korean Peninsula, Russian Far East, Alaska, Aleutian Islands 4328>$18.4 billion771
2018 North Indian Ocean cyclone season Andaman Islands, Myanmar, India, Bangladesh, Maldives, Arabian Peninsula, Horn of Africa,147$4.33 billion343
2017–18 South-West Indian Ocean cyclone season 1 Madagascar, Mozambique, Mauritius, Réunion 86$65.35 million108
2018–19 South-West Indian Ocean cyclone season 2 Agaléga, Madagascar, Tanzania, Mauritius 44NoneNone
2017–18 Australian region cyclone season 1 Western Australia, Christmas Island, Top End, Solomon Islands, South Australia, New Caledonia, South East Queensland, Tanimbar Islands, East Timor, Papua New Guinea 178$165 million41
2018–19 Australian region cyclone season 2 Papua New Guinea, Solomon Islands, Java, Christmas Island, Timor, Queensland, Northern Territory103$25 million1
2017–18 South Pacific cyclone season 1 Fiji, New Caledonia, Vanuatu, Tonga, New Zealand, Samoan Islands, Wallis and Futuna, Niue, Solomon Islands85$377 million11
2018–19 South Pacific cyclone season 2 Solomon Islands, Fiji31NoneNone
Worldwide(See above)150 [lower-alpha 1] 101>$75.14 billion1,500 [lower-alpha 2]
  1. The sum of the number of systems in each basin will not equal the number shown as the total. This is because when systems move between basins, it creates a discrepancy in the actual number of systems.
  2. The sum of the number of fatalities in each basin will not equal the number shown as the total. This is because when systems move between basins, it creates a discrepancy in the actual number of fatalities.

Notes

1 Only systems that formed either on or after January 1, 2018 are counted in the seasonal totals.
2 Only systems that formed either before or on December 31, 2018 are counted in the seasonal totals.
3 The wind speeds for this tropical cyclone/basin are based on the IMD Scale which uses 3-minute sustained winds.
4 The wind speeds for this tropical cyclone/basin are based on the Saffir Simpson Scale which uses 1-minute sustained winds.
5 The wind speeds for this tropical cyclone are based on Météo-France which uses gust winds.
6 04F formed as a tropical low in the Australian region on December 28 before crossing into the South Pacific basin on December 31. This system was later named Mona in January 2019 and thus only counts for that year.
7 36W was the last tropical depression to form in the 2018 Pacific typhoon season. It was later named Pabuk on January 1, 2019 and as such only counts for that year.

See also

Related Research Articles

Tropical cyclones and subtropical cyclones are named by various warning centers to provide ease of communication between forecasters and the general public regarding forecasts, watches, and warnings. The names are intended to reduce confusion in the event of concurrent storms in the same basin. Generally once storms produce sustained wind speeds of more than 33 knots, names are assigned in order from predetermined lists depending on which basin they originate. However, standards vary from basin to basin: some tropical depressions are named in the Western Pacific, while tropical cyclones must have a significant amount of gale-force winds occurring around the centre before they are named in the Southern Hemisphere.

2000 Atlantic hurricane season hurricane season in the Atlantic Ocean

The 2000 Atlantic hurricane season was the first Atlantic hurricane season without a tropical cyclone in the month of July since 1993. The hurricane season officially began on June 1, and ended on November 30. It was slightly above average due to a La Niña weather pattern although most of the storms were weak. The first cyclone, Tropical Depression One, developed in the southern Gulf of Mexico on June 7 and dissipated after an uneventful duration. However, it would be almost two months before the first named storm, Alberto, formed near Cape Verde; Alberto also dissipated with no effects on land. Several other tropical cyclones—Tropical Depression Two, Tropical Depression Four, Chris, Ernesto, Nadine, and an unnamed subtropical storm—did not impact land. Five additional storms—Tropical Depression Nine, Florence, Isaac, Joyce, and Leslie—minimally affected land areas.

1979 Atlantic hurricane season hurricane season in the Atlantic Ocean

The 1979 Atlantic hurricane season was the first season to include both male and female names, as well as the common six-year rotating lists of tropical cyclone names. The season officially began on June 1, and lasted until November 30. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. It was slightly below average, with nine systems reaching tropical storm intensity. The first system, an unnumbered tropical depression, developed north of Puerto Rico on June 9. Two days later, Tropical Depression One formed and produced severe flooding in Jamaica, with 40 deaths and about $27 million (1979 USD) in damage. Tropical Storm Ana caused minimal impact in the Lesser Antilles. Hurricane Bob spawned tornadoes and produced minor wind damage along the Gulf Coast of the United States, primarily in Louisiana, while the remnants caused flooding, especially in Indiana. Tropical Storm Claudette caused extensive flooding, due to torrential rainfall. There were two deaths and damaged totaled $750 million.

1930 Atlantic hurricane season hurricane season in the Atlantic Ocean

The 1930 Atlantic hurricane season was the second least active Atlantic hurricane season on record – behind only 1914 – with only three systems reaching tropical storm intensity. Of those three, two reached hurricane status, both of which also became major hurricanes, Category 3 or higher storms on the Saffir–Simpson hurricane wind scale. The first system developed in the central Atlantic Ocean on August 21. Later that month, a second storm, the Dominican Republic hurricane, formed on August 29. It peaked as a Category 4 hurricane with winds of 155 mph (250 km/h). The third and final storm dissipated on October 21.

1998 Pacific typhoon season typhoon season in the Pacific Ocean

The 1998 Pacific typhoon season was one of the least active seasons on record, behind 2010, spawning 16 tropical storms and 8 typhoons. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean. The scope of this article is limited to the Pacific Ocean, north of the equator and west of the international date line. Storms that form east of the date line and north of the equator are called hurricanes; see 1998 Pacific hurricane season. Tropical Storms formed in the entire west Pacific basin were assigned a name by the Joint Typhoon Warning Center. Tropical depressions in this basin have the "W" suffix added to their number. Tropical depressions that enter or form in the Philippine area of responsibility are assigned a name by the Philippine Atmospheric, Geophysical and Astronomical Services Administration or PAGASA. This can often result in the same storm having two names.

1996 Pacific typhoon season typhoon season in the Pacific Ocean

The 1996 Pacific typhoon season has no official bounds; it ran year-round in 1996, but most tropical cyclones tend to form in the northwestern Pacific Ocean between May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.

1995 Pacific typhoon season typhoon season in the Pacific Ocean

The 1995 Pacific typhoon season occurred all year round, unusual in that most tropical cyclones tend to form in the northwestern Pacific Ocean between May and November.

1990 Pacific typhoon season typhoon season in the Pacific Ocean

The 1990 Pacific typhoon season was another active season. It has no official bounds; it ran year-round in 1990, but most tropical cyclones tend to form in the northwestern Pacific Ocean between May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.

1974 Pacific typhoon season typhoon season in the Pacific Ocean

The 1974 Pacific typhoon season has no official bounds; it ran year-round in 1974, but most tropical cyclones tend to form in the northwestern Pacific Ocean between June and December. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.

1973 Pacific typhoon season typhoon season in the Pacific Ocean

The 1973 Pacific typhoon season was the latest start to the typhoon season on record. It had no official bounds, but most tropical cyclones tend to form in the northwestern Pacific Ocean between June and December. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.

Atlantic hurricane tropical cyclone that forms in the North Atlantic Ocean

An Atlantic hurricane or tropical storm is a tropical cyclone that forms in the Atlantic Ocean, usually between the months of June and November. A hurricane differs from a cyclone or typhoon only on the basis of location. A hurricane is a storm that occurs in the Atlantic Ocean and northeastern Pacific Ocean, a typhoon occurs in the northwestern Pacific Ocean, and a cyclone occurs in the south Pacific or Indian Ocean.

The 2019 Pacific hurricane season is an upcoming event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the eastern Pacific Ocean. The season will officially begin on May 15 in the East Pacific Ocean, and on June 1 in the Central Pacific; they will both end on November 30. These dates conventionally delimit the period of each year when most tropical cyclones form in the Pacific basin. However, the formation of tropical cyclones is possible at any time of the year.

Hurricane Olivia (2018)

Hurricane Olivia was the first tropical cyclone to make landfall on Maui and Lanai in recorded history. The fifteenth named storm, ninth hurricane, and sixth major hurricane of the 2018 Pacific hurricane season, Olivia formed southwest of Mexico on September 1. The depression slowly organized and strengthened into Tropical Storm Olivia on the next day. Olivia then began a period of rapid intensification on September 3, reaching its initial peak on September 5. Soon after, Olivia began a weakening trend, before re-intensifying on September 6. On the next day, Olivia peaked as a Category 4 hurricane, with winds of 130 mph and a minimum central pressure of 951 mbar. Six hours later, Olivia began another weakening trend that resulted in the hurricane being downgraded to Category 1 status on September 8, east of the 140th meridian west. On September 9, Olivia entered the Central Pacific Basin. Over the next couple of days, Olivia prompted the issuance of Tropical Storm Watches and Warnings for Hawaii County, Oahu, Maui County, and Kauai County. Olivia weakened into a tropical storm on September 11, before making brief landfalls in northwest Maui and Lanai on the next day, becoming the first tropical cyclone to impact the islands in recorded history. Tropical storm-force winds mainly affected Maui County and Oahu. Torrential rains affected the same area from September 11 to 13, causing flash flooding. Olivia caused a total of US$25 million in damages. Olivia was downgraded to a tropical depression on September 13 while continuing to head west. Due to wind shear disrupting Olivia's convection, the system weakened into a remnant low on September 14. Olivia crossed into the West Pacific Basin on September 19 as a remnant low, before dissipating later that day.

Tropical cyclones in 2019 are spread out across seven different areas called basins and the Mediterranean Sea. Currently, 45 systems have formed during the year to date. 27 tropical cyclones have been named by either a Regional Specialized Meteorological Center (RSMC) or a Tropical Cyclone Warning Center (TCWC).

Tropical cyclones in 2016 were spread out across seven different areas called basins; the strongest of these tropical cyclones was Cyclone Winston, which strengthened to a minimum barometric pressure of 884 mbar before striking Fiji. 137 tropical cyclones had formed this year. 84 of which had been named by either a Regional Specialized Meteorological Center (RSMC) or a Tropical Cyclone Warning Center (TCWC). The most active basin in 2016 was the Western Pacific, which documented 26 named systems.

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Tropical Cyclone Warning Centers

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