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During 2018, tropical cyclones formed within seven different
tropical cyclone basins 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 Ind ...
, located within various parts of the Atlantic, Pacific and Indian Oceans. During the year, a total of 151 tropical cyclones had formed this year to date. 102 tropical cyclones were named by either a
Regional Specialized Meteorological Center A Regional Specialized Meteorological Centre (RSMC) is responsible for the distribution of information, advisories, and warnings regarding the specific program they have a part of, agreed by consensus at the World Meteorological Organization as p ...
(RSMC) or a
Tropical Cyclone Warning Center A Regional Specialized Meteorological Centre (RSMC) is responsible for the distribution of information, advisories, and warnings regarding the specific program they have a part of, agreed by consensus at the World Meteorological Organization as p ...
(TCWC). With 151 tropical cyclones, 2018 was one of the most active years on record, also was regarded as the second-most intense tropical cyclone years on record, featuring eleven Category 5 tropical cyclones, according to the Saffir–Simpson Hurricane Wind Scale (SSHWS), only behind
1997 File:1997 Events Collage.png, From left, clockwise: The movie set of ''Titanic'', the highest-grossing movie in history at the time; ''Harry Potter and the Philosopher's Stone'', is published; Comet Hale-Bopp passes by Earth and becomes one of t ...
. The most active basin in the year was the Western Pacific, which documented 28 named systems. The
Eastern Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
also saw an incredibly above-average year with 23 named systems, reaching the highest Accumulated Cyclone Energy (ACE) on record in the basin. Activity in the
Atlantic Basin The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Africa, Europe and ...
was unusually above-average with 15 tropical storms developing, despite the
El Niño El Niño (; ; ) is the warm phase of the El Niño–Southern Oscillation (ENSO) and is associated with a band of warm ocean water that develops in the central and east-central equatorial Pacific (approximately between the International Date L ...
, which would usually suppress Atlantic activity. The
North Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia (continent), Australia to the east. To the so ...
was also above-average, documented seven named storms, making it the second-most active season in the basin's history since reliable records began. Activity across the Southern Hemisphere's three basins— South-West Indian,
Australian Australian(s) may refer to: Australia * Australia, a country * Australians, citizens of the Commonwealth of Australia ** European Australians ** Anglo-Celtic Australians, Australians descended principally from British colonists ** Aboriginal Au ...
, and South Pacific—was spread evenly, with each region recording seven named storms apiece. The strongest tropical cyclones were Typhoon Kong-rey and
Typhoon Yutu Typhoon Yutu, known in the Philippines as Super 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 Philippi ...
with a minimum pressure of 900 mbar/hPa (26.58 inHg), while the costliest tropical cyclone of the year was
Hurricane Michael Hurricane Michael was a very powerful and destructive tropical cyclone that became the first Category 5 hurricane to make landfall in the contiguous United States since Andrew in 1992. It was the third-most intense Atlantic hurricane to ma ...
in the Atlantic which struck
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
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 Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...
and
Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...
.


Global atmospheric and hydrological conditions

In the Eastern Pacific Ocean, there was an active
El Niño El Niño (; ; ) is the warm phase of the El Niño–Southern Oscillation (ENSO) and is associated with a band of warm ocean water that develops in the central and east-central equatorial Pacific (approximately between the International Date L ...
. This was one of the primary causes for the Eastern Pacific's record activity in 2018. In the North Atlantic Ocean, atmospheric and hydrological conditions were generally unfavorable for tropical cyclogenesis. In the
tropical Atlantic The Tropical Atlantic realm is one of twelve marine realms that cover the world's coastal seas and continental shelves. The Tropical Atlantic covers both sides of the Atlantic. In the western Atlantic, it extends from Bermuda, southern Florida, ...
, sea surface temperatures were cooler than average, characteristic of a negative phase of the Atlantic multidecadal oscillation (AMO). Additionally, high quantities of
Saharan dust Saharan dust is an aeolian mineral dust from the Sahara desert, the largest hot desert in the world. The desert spans just over 9 million square kilometers, from the Atlantic Ocean to the Red Sea, from the Mediterranean sea to the Niger River va ...
along with stronger than average upper-level
wind shear Wind shear (or 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 or horizontal ...
over the tropical Atlantic created an unfavorable atmospheric environment.


Summary

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Gita The Bhagavad Gita (; sa, श्रीमद्भगवद्गीता, lit=The Song by God, translit=śrīmadbhagavadgītā;), often referred to as the Gita (), is a 700-Sanskrit prosody, verse Hindu texts, Hindu scripture that is part o ...
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Sanba is a percussion musical instrument from the Okinawa Islands. The name itself means "three slabs" or "three boards/planks," and it consists of three shards of ebony or other woods that are bound together by twine.Kelvin The kelvin, symbol K, is the primary unit of temperature in the International System of Units (SI), used alongside its prefixed forms and the degree Celsius. It is named after the Belfast-born and University of Glasgow-based engineer and phys ...
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Hola In molecular biology, the δ (delta) subunit of DNA polymerase III is encoded by the holA gene in ''E. coli'' and other bacteria Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biolo ...
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Eliakim Eliakim ( he, אֶלְיָקִים) is a moshav in northern Israel. Located in the Menashe Heights, it falls under the jurisdiction of Megiddo Regional Council. In it had a population of . History The village was established in 1949 as a moshav ...
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Nora Nora, NORA, or Norah may refer to: * Nora (name), a feminine given name People with the surname * Arlind Nora (born 1980), Albanian footballer * Pierre Nora (born 1931), French historian Places Australia * Norah Head, New South Wales, headland ...
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Fakir Fakir ( ar, فقیر, translit=faḳīr or ''faqīr'') is an Islamic term traditionally used for Sufi Muslim ascetics who renounce their worldly possessions and dedicate their lives to the worship of God. They do not necessarily renounce al ...
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Alberto Alberto is the Romance version of the Latinized form (''Albertus'') of Germanic ''Albert''. It is used in Italian, Portuguese and Spanish. The diminutive forms are ''Albertito'' in Spain or ''Albertico'' in some parts of Latin America, Albertin ...
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Bud In botany, a bud is an undeveloped or embryonic shoot and normally occurs in the axil of a leaf or at the tip of a stem. Once formed, a bud may remain for some time in a dormant condition, or it may form a shoot immediately. Buds may be spec ...
" from:10/06/2018 till:11/06/2018 color:NIO text:"BOB 02" from:13/06/2018 till:15/06/2018 color:WPAC text:"07W" from:13/06/2018 till:16/06/2018 color:WPAC text:"Gaemi" from:14/06/2018 till:19/06/2018 color:EPAC/CPAC text:" Carlotta" from:17/06/2018 till:18/06/2018 color:WPAC text:"TD" barset:break from:24/06/2018 till:26/06/2018 color:EPAC/CPAC text:"Daniel" from:27/06/2018 till:01/07/2018 color:EPAC/CPAC text:"Emilia" from:28/06/2018 till:04/07/2018 color:WPAC text:" Prapiroon" from:30/06/2018 till:06/07/2018 color:EPAC/CPAC text:"Fabio" from:03/07/2018 till:11/07/2018 color:WPAC text:"
Maria Maria may refer to: People * Mary, mother of Jesus * Maria (given name), a popular given name in many languages Place names Extraterrestrial *170 Maria, a Main belt S-type asteroid discovered in 1877 *Lunar maria (plural of ''mare''), large, da ...
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Beryl Beryl ( ) is a mineral composed of beryllium aluminium silicate with the chemical formula Be3Al2Si6O18. Well-known varieties of beryl include emerald and aquamarine. Naturally occurring, hexagonal crystals of beryl can be up to several mete ...
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Chris Chris is a short form of various names including Christopher, Christian, Christina, Christine, and Christos. Chris is also used as a name in its own right, however it is not as common. People with the given name * Chris Abani (born 1966), N ...
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Hector In Greek mythology, Hector (; grc, Ἕκτωρ, Hektōr, label=none, ) is a character in Homer's Iliad. He was a Trojan prince and the greatest warrior for Troy during the Trojan War. Hector led the Trojans and their allies in the defense o ...
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Shanshan Shanshan (; ug, پىچان, Pichan, Piqan) was a kingdom located at the north-eastern end of the Taklamakan Desert near the great, but now mostly dry, salt lake known as Lop Nur. The kingdom was originally an independent city-state, known in t ...
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Ileana Ileana (also Illeana, Iliana, Eleana, Eliana) is a female given name. It is the feminine form of the male name Elijah. It has been adapted for Romanian, Bulgarian, Macedonian, Italian and Spanish (in Spanish there is also Ilean and in Romanian Il ...
" from:05/08/2018 till:10/08/2018 color:EPAC/CPAC text:"John" from:06/08/2018 till:15/08/2018 color:WPAC text:"
Yagi Yagi may refer to: Places *Yagi, Kyoto, in Japan * Yagi (Kashihara), in Nara Prefecture, Japan *Yagi-nishiguchi Station, in Kashihara, Nara, Japan * Kami-Yagi Station, a JR-West Kabe Line station located in 3-chōme, Yagi, Asaminami-ku, Hiroshima, ...
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Bebinca ''Bebinca'' or ''bebinka'', (Konkani; ''bibik'') is a layer cake of Indo-Portuguese cuisine in Goa, India. In traditional baking, Bebinka has between 7 and 16 layers, but bakeries can modify the cake recipe as per convenience and taste. It ...
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Lane In road transport, a lane is part of a roadway that is designated to be used by a single line of vehicles to control and guide drivers and reduce traffic conflicts. Most public roads (highways) have at least two lanes, one for traffic in each ...
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Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico an ...
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Olivia Olivia may refer to: People * Olivia (name), including a list of people and fictional characters with the name * Olivia (singer) (Olivia Longott, born 1981), American singer * Olívia (basketball) (Carlos Henrique Rodrigues do Nascimento, born 19 ...
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Gordon Gordon may refer to: People * Gordon (given name), a masculine given name, including list of persons and fictional characters * Gordon (surname), the surname * Gordon (slave), escaped to a Union Army camp during the U.S. Civil War * Clan Gordon, ...
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Kirk Kirk is a Scottish and former Northern English word meaning "church". It is often used specifically of the Church of Scotland. Many place names and personal names are also derived from it. Basic meaning and etymology As a common noun, ''kirk'' ...
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Leslie Leslie may refer to: * Leslie (name), a name and list of people with the given name or surname, including fictional characters Families * Clan Leslie, a Scottish clan with the motto "grip fast" * Leslie (Russian nobility), a Russian noble family ...
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Rosa Rosa or De Rosa may refer to: People *Rosa (given name) * Rosa (surname) *Santa Rosa (female given name from Latin-a latinized variant of Rose) Places *223 Rosa, an asteroid *Rosa, Alabama, a town, United States * Rosa, Germany, in Thuringia, G ...
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Zorbas "Zorba's Dance" ( el, Ο Χορός Του Ζορμπά) is an instrumental by Greek composer Mikis Theodorakis. The song featured for the dance, which has become known as sirtaki, in the 1964 film ''Zorba the Greek'', for which Theodorakis wrote ...
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Michael Michael may refer to: People * Michael (given name), a given name * Michael (surname), including a list of people with the surname Michael Given name "Michael" * Michael (archangel), ''first'' of God's archangels in the Jewish, Christian an ...
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Vicente Vicente is an Italian, Spanish, and Portuguese name. Like its French variant, Vincent, it is derived from the Latin name ''Vincentius'' meaning "conquering" (from Latin ''vincere'', "to conquer"). Vicente may refer to: Location *São Vicente, Cap ...
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Willa Willa is a feminine given name. Notable people and characters with the name include: * Willa or Guilla of Provence (died before 924), early medieval Frankish queen * Willa of Tuscany (died 970), queen consort of Berengar II of Italy * Willa Brown ( ...
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Gaja Gaja () is a Sanskrit word for elephant. It is one of the significant animals finding references in Hindu scriptures, as well as Buddhist and Jain texts. Symbolism In general, a gaja personifies a number of positive attributes, including abund ...
" from:11/11/2018 till:16/11/2018 color:SPAC text:"02F" from:14/11/2018 till:18/11/2018 color:AUSR text:"TL" from:14/11/2018 till:26/11/2018 color:WPAC text:" Usagi" from:16/11/2018 till:18/11/2018 color:WPAC text:" Toraji" from:19/11/2018 till:27/11/2018 color:WPAC text:"Man-yi" from:29/11/2018 till:17/12/2018 color:AUSR text:"
Owen Owen may refer to: Origin: The name Owen is of Irish and Welsh origin. Its meanings range from noble, youthful, and well-born. Gender: Owen is historically the masculine form of the name. Popular feminine variations include Eowyn and Owena. ...
" from:09/12/2018 till:12/12/2018 color:AUSR text:"TL" from:13/12/2018 till:18/12/2018 color:NIO text:" Phethai" from:14/12/2018 till:16/12/2018 color:AUSR barset:break barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip from:16/12/2018 till:22/12/2018 color:SWIO text:"Kenanga" from:16/12/2018 till:24/12/2018 color:SWIO text:"Cilida" from:25/12/2018 till:29/12/2018 color:WPAC text:" 35W" from:27/12/2018 till:28/12/2018 color:AUSR text:"TL" from:28/12/2018 till:09/01/2019 color:AUSR text:"Penny" from:28/12/2018 till:31/12/2018 color:AUSR barset:break barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip from:31/12/2018 till:05/01/2019 color:SPAC text:"Mona" from:28/12/2018 till:01/01/2019 color:SPAC text:"03F" from:29/12/2018 till:30/12/2018 color:AUSR text:"TL" from:30/12/2018 till:02/01/2019 color:AUSR text:"TL" from:31/12/2018 till:04/01/2019 color:WPAC barset:break barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip from:04/01/2019 till:05/01/2019 color:NIO text:" Pabuk" from:31/12/2018 till:02/01/2019 color:SPAC text:"05F" bar:Month width:5 align:center fontsize:S shift:(0,-20) anchor:middle color:canvas from:27/12/2017 till:01/01/2018 text:Dec. '17 from:01/01/2018 till:01/02/2018 text:January from:01/02/2018 till:28/02/2018 text:February from:01/03/2018 till:01/04/2018 text:March from:01/04/2018 till:01/05/2018 text:April from:01/05/2018 till:01/06/2018 text:May from:01/06/2018 till:01/07/2018 text:June from:01/07/2018 till:01/08/2018 text:July from:01/08/2018 till:01/09/2018 text:August from:01/09/2018 till:01/10/2018 text:September from:01/10/2018 till:01/11/2018 text:October from:01/11/2018 till:01/12/2018 text:November from:01/12/2018 till:31/12/2018 text:December from:01/01/2019 till:13/01/2019 text:Jan. '19 TextData = pos:(690,30) text:"This table is based on the" pos:(810,30) text:"
tropical cyclone basins 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 Ind ...
"


North Atlantic Ocean

The 2018 Atlantic hurricane season was the third in a consecutive series of above-average and damaging
Atlantic hurricane season The Atlantic hurricane season is the period in a year from June through November when tropical cyclones form in the Atlantic Ocean, referred to in North American countries as hurricanes, tropical storms, or tropical depressions. In addition ...
s, featuring fifteen named storms, eight hurricanes, and two major hurricanes, which caused a total of over $50 billion (2018
USD The United States dollar (symbol: $; code: USD; also abbreviated US$ or U.S. Dollar, to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official ...
) in damages and at least 172 deaths. The season began with the formation of Tropical Storm Alberto on May 25, marking the fourth consecutive year that activity began early. However, no storms developed in the month of June. July saw the formation of
Beryl Beryl ( ) is a mineral composed of beryllium aluminium silicate with the chemical formula Be3Al2Si6O18. Well-known varieties of beryl include emerald and aquamarine. Naturally occurring, hexagonal crystals of beryl can be up to several mete ...
and Chris, both of which intensified into hurricanes. August also featured two named storms, Debby and Ernesto, though neither strengthened further than tropical storm status. On August 31, the depression that would later become
Hurricane Florence Hurricane Florence was a powerful and long-lived Cape Verde hurricane that caused catastrophic damage in the Carolinas in September 2018, primarily as a result of freshwater flooding due to torrential rain. The sixth named storm, third hu ...
developed. September featured the most activity, with Florence,
Gordon Gordon may refer to: People * Gordon (given name), a masculine given name, including list of persons and fictional characters * Gordon (surname), the surname * Gordon (slave), escaped to a Union Army camp during the U.S. Civil War * Clan Gordon, ...
, Helene, Isaac, Joyce, Tropical Depression Eleven,
Kirk Kirk is a Scottish and former Northern English word meaning "church". It is often used specifically of the Church of Scotland. Many place names and personal names are also derived from it. Basic meaning and etymology As a common noun, ''kirk'' ...
, and
Leslie Leslie may refer to: * Leslie (name), a name and list of people with the given name or surname, including fictional characters Families * Clan Leslie, a Scottish clan with the motto "grip fast" * Leslie (Russian nobility), a Russian noble family ...
also forming or existing in the month. Florence, Helene, Isaac, and Joyce existed simultaneously for a few days in September, becoming the first time since
2008 File:2008 Events Collage.png, From left, clockwise: Lehman Brothers went bankrupt following the Subprime mortgage crisis; Cyclone Nargis killed more than 138,000 in Myanmar; A scene from the opening ceremony of the 2008 Summer Olympics in Beijing; ...
that four named storms were active at the same time. The season also became the second consecutive year with three hurricanes simultaneously active. Activity continued in October, with Michael forming on October 7 and strengthening into a major hurricane over the Gulf of Mexico, before making landfall in the
Florida Panhandle The Florida Panhandle (also West Florida and Northwest Florida) is the northwestern part of the U.S. state of Florida; it is a Salient (geography), salient roughly long and wide, lying between Alabama on the north and the west, Georgia (U. ...
at peak intensity. Michael, which peaked as a Category 5 hurricane with maximum sustained winds of and a minimum barometric pressure of , was the most intense tropical cyclone of the season and one of only four storms to make landfall in the United States mainland as a Category 5, the others being the
1935 Labor Day hurricane The Great Labor Day Hurricane of 1935 was the most intense Atlantic hurricane to make landfall on record by pressure, with winds of up to 185 mph (297 km/h). The fourth tropical cyclone, third tropical storm, second hurricane, and se ...
,
Hurricane Camille Hurricane Camille was the second most intense tropical cyclone on record to strike the United States, behind the 1935 Labor Day hurricane. The most intense storm of the 1969 Atlantic hurricane season, Camille originated as a tropical depression ...
in 1969, and
Hurricane Andrew Hurricane Andrew was a very powerful and destructive Category 5 Atlantic hurricane that struck the Bahamas, Florida, and Louisiana in August 1992. It is the most destructive hurricane to ever hit Florida in terms of structures damaged ...
in 1992. After 15 consecutive days as a tropical cyclone, Leslie transitioned into a powerful extratropical cyclone on October 13 while situated approximately west of the
Iberian Peninsula The Iberian Peninsula (), ** * Aragonese and Occitan: ''Peninsula Iberica'' ** ** * french: Péninsule Ibérique * mwl, Península Eibérica * eu, Iberiar penintsula also known as Iberia, is a peninsula in southwestern Europe, defi ...
, before making landfall soon afterward. A two-week period of inactivity ensued as the season began to wind down. Oscar, forming as a subtropical storm on October 26, intensified into a hurricane the next day, making it the eighth hurricane of the season. Oscar's extratropical transition ended the season's activity on October 31. No systems formed in the month of November for the first time since 2014. The seasonal activity was reflected with an
accumulated cyclone energy Accumulated cyclone energy (ACE) is a metric used by various agencies to express the energy released by a tropical cyclone during its lifetime. It is calculating by summing the square of a tropical cyclone's maximum sustained winds, measured ever ...
index value of 133 units. ACE is, broadly speaking, a measure of the power of a hurricane multiplied by the length of time it existed; therefore, long-lived storms and particularly strong systems result in high levels of ACE. The measure is calculated at full advisories for cyclones at tropical storm strength—storms with winds in excess of .


Eastern Pacific & Central Pacific Oceans

The 2018 Pacific hurricane season was one of the most active
Pacific hurricane season A Pacific hurricane is a mature tropical cyclone that develops within the northeastern and central Pacific Ocean to the east of 180°W, north of the equator. For tropical cyclone warning purposes, the northern Pacific is divided into three regio ...
s on record, producing the highest
accumulated cyclone energy Accumulated cyclone energy (ACE) is a metric used by various agencies to express the energy released by a tropical cyclone during its lifetime. It is calculating by summing the square of a tropical cyclone's maximum sustained winds, measured ever ...
value on record in the basin. The season had the fourth-highest number of named storms – 23, tied with
1982 Events January * January 1 – In Malaysia and Singapore, clocks are adjusted to the same time zone, UTC+8 (GMT+8.00). * January 13 – Air Florida Flight 90 crashes shortly after takeoff into the 14th Street bridges, 14th Street Bridge in ...
. The season also featured eight
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, six of which occurred in Mexico. The season produced 26 tropical depressions formed, with 23 reaching tropical storm intensity. Thirteen of the tropical storms became hurricanes, with 10 reaching major hurricane intensity. The
accumulated cyclone energy Accumulated cyclone energy (ACE) is a metric used by various agencies to express the energy released by a tropical cyclone during its lifetime. It is calculating by summing the square of a tropical cyclone's maximum sustained winds, measured ever ...
(ACE) index for the 2018 Pacific hurricane season was 316.565 units (201.9725 units for the Eastern Pacific and 114.5925 units for the Central Pacific). The season started with the formation of Tropical Depression One-E on May 10, which was five days before the official start of hurricane season in the Eastern Pacific. The month of June saw record activity, with the formation of six tropical cyclonesAletta, Bud, Carlotta, Daniel, Emilia, and Seven-E. With five named systems, the record for most June tropical storms, which was set in
1985 The year 1985 was designated as the International Youth Year by the United Nations. Events January * January 1 ** The Internet's Domain Name System is created. ** Greenland withdraws from the European Economic Community as a result of a ...
, was tied. Aletta and Bud both intensified into Category 4 major hurricanes, marking the first time since
2010 File:2010 Events Collage New.png, From top left, clockwise: The 2010 Chile earthquake was one of the strongest recorded in history; The Eruption of Eyjafjallajökull in Iceland disrupts air travel in Europe; A scene from the opening ceremony of ...
that two occurred in June. Tropical Storm Carlotta moved along the southern coast of Mexico, causing flooding rains. Activity during the month of July was below normal across the basin. Although a total of four tropical depressions formed, only two became stormsFabio and Gilma. Fabio's intensification into a tropical storm on July 1 marked the earliest date of a season's sixth named storm, beating the previous record of July 3 set in both
1984 Events January * January 1 – The Bornean Sultanate of Brunei gains full independence from the United Kingdom, having become a British protectorate in 1888. * January 7 – Brunei becomes the sixth member of the Association of Southeast A ...
and 1985. August was an above-average month for the Eastern Pacific, with a total of seven named storms occurring during the monthHector, Ileana, John, Kristy, Lane, Miriam, and Norman. Forming from a July tropical depression, Hurricane Hector spent more days as a major hurricane than any other storm in the basin. It also had the highest accumulated cyclone energy since Hurricane John in
1994 File:1994 Events Collage.png, From left, clockwise: The 1994 Winter Olympics are held in Lillehammer, Norway; The Kaiser Permanente building after the 1994 Northridge earthquake; A model of the MS Estonia, which Sinking of the MS Estonia, sank in ...
. Around the same time, Tropical Storm Ileana paralleled the southwestern coast of Mexico, bringing heavy rainfall to the region. Forming in mid-August, Hurricane Lane became the first Category 5 hurricane to form during the year. Lane brought record rainfall to Hawaii's Big Island, becoming the wettest tropical cyclone for that state and the second wettest in the United States. September saw the formation of five tropical cyclonesOlivia, Paul, Nineteen-E, Rosa, and Sergio. Hurricane Olivia became the first tropical cyclone in recorded history to make landfall on the islands of Maui and Lanai on September 12. Tropical Depression Nineteen-E formed in the
Gulf of California The Gulf of California ( es, Golfo de California), also known as the Sea of Cortés (''Mar de Cortés'') or Sea of Cortez, or less commonly as the Vermilion Sea (''Mar Bermejo''), is a marginal sea of the Pacific Ocean that separates the Baja Ca ...
on September 19, the first such instance in recorded history. It made landfall in Sonora on the next day, causing severe flooding. Additionally, one named storm formed in the Central Pacific in SeptemberWalaka. In October, Walaka intensified into a Category 5 hurricane in the Central Pacificthe season's third and final Category 5 storm. October yielded an above-average number of tropical cyclones with three named storms formingTara, Vicente, and Willa. Sergio became the eighth system to obtain Category 4 intensity during the season, breaking the old record of seven which was set in
2015 File:2015 Events Collage new.png, From top left, clockwise: Civil service in remembrance of November 2015 Paris attacks; Germanwings Flight 9525 was purposely crashed into the French Alps; the rubble of residences in Kathmandu following the Apri ...
. Rosa and Sergio both made landfall on the Baja California Peninsula during October, bringing gale-force winds and rain to the region before impacting western Mexico. Willa became the season's second Category 5 hurricane before making landfall in Sinaloa, Mexico, in late October. The cyclone brought strong winds to the area where it made landfall and dropped torrential rainfall throughout the region. Tropical Storm Vicente caused severe flooding and landslides in western Mexico at the same time as Willa, compounding the latter's effects in some areas. November featured the season's last system, Tropical Storm Xavier, which dissipated on November 6, marking the end of the season.


Western Pacific Ocean

The 2018 Pacific typhoon season was the costliest Pacific typhoon season on record, until the record was beaten by the following year. The season was above-average, producing 29 storms, 13 typhoons, and 7 super typhoons. The season began with Tropical Depression Agaton active to the east of the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
. Over the course of two days, the system moved over 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 the shores of South China (hence the name), in the west by the Indochinese Peninsula, in the east by the islands of Taiwan and northwestern Phil ...
and intensified into the first named storm, Bolaven. A month later, Tropical Storm Sanba developed and affected the southern Philippines. About another month later, Tropical Depression 03W formed in the open Pacific and was named Jelawat. Jelawat intensified into the season's first typhoon on March 30, and then the season's first super typhoon. Tropical activity fired up by June, when a series of storms developed, with Tropical Storm Ewiniar making landfall over mainland China. Later that month, Typhoon Prapiroon developed and affected the
Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
, the first since 2013. Thereafter, Typhoon Maria developed and reached its peak intensity as a Category 5 super typhoon, being the first typhoon to reach that intensity since Typhoon Nock-ten in 2016. Hurricane Hector crossed the
International Date Line The International Date Line (IDL) is an internationally accepted demarcation on the surface of Earth, running between the South and North Poles and serving as the boundary between one calendar day and the next. It passes through the Pacific O ...
on August 13, the first to do so since
Genevieve Genevieve (french: link=no, Sainte Geneviève; la, Sancta Genovefa, Genoveva; 419/422 AD – 502/512 AD) is the patroness saint of Paris in the Catholic Church, Catholic and Eastern Orthodox Church, Orthodox traditions. Her Calendar of sain ...
in 2014. Systems like Tropical Storms Son-tinh, Ampil, Josie, Wukong, Jongdari, Shanshan, Yagi, Leepi, Bebinca, and Rumbia formed between late July to early August. On August 16, Typhoon Soulik developed and headed north, until a Fujiwhara interaction with Typhoon Cimaron (which formed later than Soulik) made it head west towards the
East China Sea The East China Sea is an arm of the Western Pacific Ocean, located directly offshore from East China. It covers an area of roughly . The sea’s northern extension between mainland China and the Korean Peninsula is the Yellow Sea, separated b ...
. It later made landfall in
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
, making it the first typhoon to make landfall in South Korea since Typhoon Chaba in 2016. Cimaron made landfall near
Kyoto Kyoto (; Japanese: , ''Kyōto'' ), officially , is the capital city of Kyoto Prefecture in Japan. Located in the Kansai region on the island of Honshu, Kyoto forms a part of the Keihanshin metropolitan area along with Osaka and Kobe. , the ci ...
, Japan on August 23. When Cimaron was nearing landfall, Tropical Depression Luis formed, which made landfall in China and Taiwan. Later that month, Typhoon Jebi developed over the West Pacific and intensified into the third super typhoon of the season. In September,
Typhoon Mangkhut Typhoon Mangkhut (), known in the Philippines as Typhoon Ompong, was a powerful and catastrophic tropical cyclone that caused extensive damage in Guam, the Philippines and South China in September 2018. It was the strongest typhoon to strike Lu ...
became the fourth super typhoon of the season and made landfall on the island of
Luzon Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as ...
in the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
. On the same day, Tropical Depression Neneng formed, which later became Tropical Storm Barijat and made landfall in Vietnam. By late September, Typhoon Trami (Paeng) formed, becoming the 5th super typhoon of 2018. While
Typhoon Trami Typhoon Trami, known in the Philippines as Typhoon Paeng, was the second typhoon to affect Japan within a month. The twenty-fourth tropical storm and tenth typhoon of the annual typhoon season, Trami developed from a low-pressure area southeas ...
was in the Western Pacific, nearing
Okinawa is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest city ...
with winds of , Tropical Depression 30W formed, and was named ''Kong-rey'' by the JMA after strengthening into a tropical storm. It intensified into a super typhoon on October 2, becoming the 5th Category 5 super typhoon. Later on in the month, it was followed by the sixth and final Category 5-equivalent storm of the season, Yutu.


North Indian Ocean

The 2018 North Indian Ocean cyclone season was one of the most active
North Indian Ocean cyclone season 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 or geography. Etymology The word ''north'' is ...
since
1992 File:1992 Events Collage V1.png, From left, clockwise: 1992 Los Angeles riots, Riots break out across Los Angeles, California after the Police brutality, police beating of Rodney King; El Al Flight 1862 crashes into a residential apartment buildi ...
, with the formation of fourteen depressions and seven cyclones. The season started with ARB 01 which was formed on March 14 making one of the rarest system formed in March since tropical cyclone development stays relatively low between January and March. It caused heavy rainfall in
Maldives Maldives (, ; dv, ދިވެހިރާއްޖެ, translit=Dhivehi Raajje, ), officially the Republic of Maldives ( dv, ދިވެހިރާއްޖޭގެ ޖުމްހޫރިއްޔާ, translit=Dhivehi Raajjeyge Jumhooriyyaa, label=none, ), is an archipelag ...
,
Lakshadweep Lakshadweep (), also known as Laccadives (), is a union territory of India. It is an archipelago of 36 islands in the Arabian sea, located off the Malabar Coast. The name ''Lakshadweep'' means "one lakh islands" in Sanskrit, though the Lac ...
and
Kerala Kerala ( ; ) is a state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile regions of Cochin, Malabar, South ...
. After a two-month gap, another low formed near the
Horn of Africa The Horn of Africa (HoA), also known as the Somali Peninsula, is a large peninsula and geopolitical region in East Africa.Robert Stock, ''Africa South of the Sahara, Second Edition: A Geographical Interpretation'', (The Guilford Press; 2004), ...
, which later became '' Sagar''. It became unofficially the strongest cyclone to make landfall until it was broken by
Gati Gati or GATI may refer to: * Gati Ltd, an Indian courier delivery services company * Gati, Nepal, a village * Gati, Iran, a village * gati, a term for the subdivisions of the Desire realm in Buddhist cosmology * GATI, the Gender and Trade Initiativ ...
in 2020. It caused heavy rainfall in
Somaliland Somaliland,; ar, صوماليلاند ', ' officially the Republic of Somaliland,, ar, جمهورية صوماليلاند, link=no ''Jumhūrīyat Ṣūmālīlānd'' is a ''de facto'' sovereign state in the Horn of Africa, still conside ...
and local flooding was reported in the Yemeni coast. The storm made the westernmost landfall surpassing the record of Tropical Storm One. A day after Sagar dissipation, another low pressure formed off the coast of
Oman Oman ( ; ar, عُمَان ' ), officially the Sultanate of Oman ( ar, سلْطنةُ عُمان ), is an Arabian country located in southwestern Asia. It is situated on the southeastern coast of the Arabian Peninsula, and spans the mouth of t ...
which later organised into ''
Cyclone Mekunu Extremely Severe Cyclonic Storm Mekunu was the strongest storm to strike Oman's Dhofar Governorate since 1959. The second named storm of the 2018 North Indian Ocean cyclone season, Mekunu developed out of a low-pressure area on May 21. It g ...
''. It then peaked as a Category 3 tropical cyclone according to JTWC and an Extremely Severe Cyclonic Storm according to IMD. It caused 30 people dead and heavy rainfall recorded in
Salalah Salalah ( ar, صَلَالَة, Ṣalālah) is the capital and largest city of the southern Omani governorate of Dhofar. Its population in 2009 was about 197,169. Salalah is the third-largest city in the Sultanate of Oman, and the largest city ...
, Oman. After that, a low pressure quickly intensified into a deep depression and peaking as a tropical storm made landfall in Myanmar causing heavy downpour. Five monsoonal depression also formed between June and September. Cyclogenesis continued with Cyclone Daye which made landfall in
Odisha Odisha (English: , ), formerly Orissa ( the official name until 2011), is an Indian state located in Eastern India. It is the 8th largest state by area, and the 11th largest by population. The state has the third largest population of ...
state. Heavy downpour and flood mainly in
Malkangiri Malkangiri historically known as 'Malikamardhangiri' is a town and a Municipality in Malkangiri district in the Indian state of Odisha. It is the headquarters of the Malkangiri district. Malkangiri is the new home of the East Pakistani refugee ...
district and its outer bands also caused heavy rainfall in
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fourt ...
. Following with Daye, Luban and Titli both formed in the Arabian sea and the Bay of Bengal respectively, causing heavy damages in Oman and
Andhra Pradesh Andhra Pradesh (, abbr. AP) is a state in the south-eastern coastal region of India. It is the seventh-largest state by area covering an area of and tenth-most populous state with 49,386,799 inhabitants. It is bordered by Telangana to the ...
. Gaja on November 10, also formed and caused extensive damage in
Tamil Nadu Tamil Nadu (; , TN) is a States and union territories of India, state in southern India. It is the List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of India ...
and
Andaman and Nicobar Islands The Andaman and Nicobar Islands is a union territory of India consisting of 572 islands, of which 37 are inhabited, at the junction of the Bay of Bengal and the Andaman Sea. The territory is about north of Aceh in Indonesia and separated f ...
. The season ended with Cyclone Phethai causing agricultural damage in
Andhra Pradesh Andhra Pradesh (, abbr. AP) is a state in the south-eastern coastal region of India. It is the seventh-largest state by area covering an area of and tenth-most populous state with 49,386,799 inhabitants. It is bordered by Telangana to the ...
and eight dead.


South-West Indian Ocean


January–June

The 2017–18 season was a below-average season that produced only 8 tropical storms, of which 6 became tropical cyclones. The season started with Tropical Depression 01U which was designated by the BOM, entered the basin on August 8 however quickly dissipated overseas. After a three-month gap another low formed off the coast of
Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
on December 27 which intensified into ''Tropical Cyclone Ava''. It caused powerful winds up to , caused extensive damage
Toamasina Toamasina (), meaning "like salt" or "salty", unofficially and in French Tamatave, is the capital of the Atsinanana region on the east coast of Madagascar on the Indian Ocean. The city is the chief seaport of the country, situated northeast of it ...
and heavy downpour triggered flash flooding
Tamatave Toamasina (), meaning "like salt" or "salty", unofficially and in French Tamatave, is the capital of the Atsinanana region on the east coast of Madagascar on the Indian Ocean. The city is the chief seaport of the country, situated northeast of it ...
and
Antananarivo Antananarivo ( French: ''Tananarive'', ), also known by its colonial shorthand form Tana, is the capital and largest city of Madagascar. The administrative area of the city, known as Antananarivo-Renivohitra ("Antananarivo-Mother Hill" or "An ...
. After that another low formed on the Australian region and entered the basin. It was named ''Irving'' by the Bureau of Meteorology and peaked as a powerful Category 2 equivalent tropical cyclone. It dissipated off the coast of
Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
. A day later after Ava and Irving, a low pressure formed near
Mauritius Mauritius ( ; french: Maurice, link=no ; mfe, label=Mauritian Creole, Moris ), officially the Republic of Mauritius, is an island nation in the Indian Ocean about off the southeast coast of the African continent, east of Madagascar. It incl ...
and explosively intensified into a powerful Category 3 equivalent tropical cyclone named ''Berguitta''. It passed near Mauritius and strong winds affected the textile industry, it then passed southeast of Réuníon and strong winds knocked down power lines and trees and left 72,000 people without power. Following with Berguitta, a tropical depression formed northeast of Madagascar and caused heavy downpour, damage is unknown however MFR gave advisories. Five days after Berguitta dissipation, another tropical depression formed on January 25, it then peaked as a very powerful Category 4 equivalent tropical cyclone named ''Cebile'', however no advisories given by MFR and JTWC because it was formed overseas . A month after Cebile, a tropical depression formed near the coast of Madagascar which then named as ''Dumazile''. It peaked as a Category 3 equivalent tropical cyclone and caused agricultural damage in Reunion Island. Week after Dumazile dissipation, another low pressure formed off the east coast of Madagascar. It caused heavy downpour which destroyed 260 homes and flash flooding caused additional 630 homes destroyed, its remnants affected Reunion. Month later, Fakir formed east of Réuníon and dumped of rainfall which triggered landslide and took two people's lives. The season ended with Flamboyan which was the first system to be named by TCWC Jarkata, it peaked as Category 1 equivalent tropical cyclone and dissipated on May 1 without making landfall.


July–December

The 2018–19 season was the costliest and the most active season ever recorded since reliable records began in 1967. Additionally, it is also the deadliest cyclone season recorded in the South-West Indian Ocean, surpassing the 1891–92 season, in which the
1892 Mauritius cyclone On 29 April 1892, a powerful tropical cyclone struck the island of Mauritius in the South-West Indian Ocean. At least 1,200 people died during the storm, and another 4,000 people were injured, with 50,000 people left homeless, making the cyclone ...
devastated the island of
Mauritius Mauritius ( ; french: Maurice, link=no ; mfe, label=Mauritian Creole, Moris ), officially the Republic of Mauritius, is an island nation in the Indian Ocean about off the southeast coast of the African continent, east of Madagascar. It incl ...
. The first tropical cyclone was an unnamed moderate tropical storm that formed northeast of
Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
on September 13, 2018, two months before the official start of the season. Two cyclones formed in the month of November, with Intense Tropical Cyclone Alcide forming on November 5, and Severe Tropical Storm Bouchra entering the basin from the Australian region on November 9. Two tropical cyclones formed in the month of December, Cilida and Kenanga. Intense Tropical Cyclone Kenanga crossed into the basin from the Australian region, retaining its name assigned by
TCWC Jakarta Meteorology, Climatology, and Geophysical Agency ( id, Badan Meteorologi, Klimatologi, dan Geofisika, abbreviated BMKG) is an Indonesian non-departmental government agency for meteorology, climatology, and geophysics. History Its history began ...
. Two moderate tropical storms formed in January, Desmond and Eketsang. Five more intense tropical cyclones formed during February and March: Funani, Gelena, Haleh, Idai, and Joaninha. In addition, Savannah crossed into the basin from the Australian basin as an intense tropical cyclone in March. On April 21, 2019, final two storms of the season formed at the same time,
Kenneth Kenneth is an English given name and surname. The name is an Anglicised form of two entirely different Gaelic personal names: ''Cainnech'' and '' Cináed''. The modern Gaelic form of ''Cainnech'' is ''Coinneach''; the name was derived from a byna ...
and Lorna.


Systems


January

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 Mauritius ( ; french: Maurice, link=no ; mfe, label=Mauritian Creole, Moris ), officially the Republic of Mauritius, is an island nation in the Indian Ocean about off the southeast coast of the African continent, east of Madagascar. It incl ...
and
Réunion Réunion (; french: La Réunion, ; previously ''Île Bourbon''; rcf, label= Reunionese Creole, La Rényon) is an island in the Indian Ocean that is an overseas department and region of France. It is located approximately east of the island ...
, 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.


February

The month of February was inactive, with only six tropical cyclones forming. However,
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 monso ...
became the most intense tropical cyclone to affect
Tonga Tonga (, ; ), officially the Kingdom of Tonga ( to, Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country and archipelago. The country has 171 islands – of which 45 are inhabited. Its total surface area is about , scattered over in ...
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 The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
, resulting in a few million in damage and over a dozen fatalities.
Cyclone Kelvin Severe Tropical Cyclone Kelvin was a strong tropical cyclone that impacted Western Australia in February 2018, causing moderate damage. The system was first identified as a weak tropical low on the morning of 11 February over the Northern Terri ...
was unusual in that it maintained a healthy structure over land through a process known as the
brown ocean effect The brown ocean effect is an observed weather phenomenon involving some tropical cyclones after landfall. Normally, hurricanes and tropical storms lose strength when they make landfall, but when the brown ocean effect is in play, tropical cyclon ...
, leading to tens of millions in damages.


March

March was an active month with twelve systems. Early in the month, Cyclone Hola formed near
Vanuatu Vanuatu ( or ; ), officially the Republic of Vanuatu (french: link=no, République de Vanuatu; bi, Ripablik blong Vanuatu), is an island country located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is east of no ...
causing a few fatalities and later passed by
New Caledonia ) , anthem = "" , image_map = New Caledonia on the globe (small islands magnified) (Polynesia centered).svg , map_alt = Location of New Caledonia , map_caption = Location of New Caledonia , mapsize = 290px , subdivision_type = Sovereign st ...
and New Zealand where it caused minor damages. At the same time, Tropical Depression 18U made landfall in
Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The 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 Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
, causing close to two dozen deaths and an unknown amount of damage. Also forming in the middle of month,
Cyclone Marcus Severe Tropical Cyclone Marcus was a very powerful tropical cyclone that struck Australia's Northern Territory and the Kimberley region of Western Australia in March 2018. It was the strongest tropical cyclone of the 2017–18 Australian region cyc ...
was a very intense tropical cyclone that affected the
Tanimbar Islands The Tanimbar Islands, also called ''Timur Laut'', are a group of about 65 islands in the Maluku (province), Maluku Provinces of Indonesia, province of Indonesia. The largest and most central of the islands is Yamdena; others include Selaru to t ...
,
Top End The Top End of Australia's Northern Territory is a geographical region encompassing the northernmost section of the Northern Territory, which aside from the Cape York Peninsula is the northernmost part of the Australian continent. It covers a ra ...
, and
Kimberley Kimberly or Kimberley may refer to: Places and historical events Australia * Kimberley (Western Australia) ** Roman Catholic Diocese of Kimberley * Kimberley Warm Springs, Tasmania * Kimberley, Tasmania a small town * County of Kimberley, a ...
, 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 Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...
, causing millions in damages and several deaths.


April

April was an inactive month with only four systems forming. Tropical Cyclone Keni made landfall in
Fiji Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...
, causing millions in damages. Later in the month, Tropical Cyclone Fakir passed by
Réunion Réunion (; french: La Réunion, ; previously ''Île Bourbon''; rcf, label= Reunionese Creole, La Rényon) is an island in the Indian Ocean that is an overseas department and region of France. It is located approximately east of the island ...
, causing millions in damages and a small number of fatalities.


May

May was a relatively inactive month with only seven systems forming. In the middle of the month,
Cyclone Sagar Cyclonic Storm Sagar was the strongest tropical cyclone to make landfall in Somalia and Somaliland in recorded history until Gati in 2020, and the first named cyclone of the 2018 North Indian Ocean cyclone season. Forming on May 16 east of ...
affected
Yemen Yemen (; ar, ٱلْيَمَن, al-Yaman), officially the Republic of Yemen,, ) is a country in Western Asia. It is situated on the southern end of the Arabian Peninsula, and borders Saudi Arabia to the Saudi Arabia–Yemen border, north and ...
,
Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...
,
Djibouti Djibouti, ar, جيبوتي ', french: link=no, Djibouti, so, Jabuuti officially the Republic of Djibouti, is a country in the Horn of Africa, bordered by Somalia to the south, Ethiopia to the southwest, Eritrea in the north, and the Red ...
,
Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...
, causing tens of millions in damages and several dozen deaths. Several days later,
Cyclone Mekunu Extremely Severe Cyclonic Storm Mekunu was the strongest storm to strike Oman's Dhofar Governorate since 1959. The second named storm of the 2018 North Indian Ocean cyclone season, Mekunu developed out of a low-pressure area on May 21. It g ...
affected Yemen, Oman, and
Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the A ...
, 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 The Eastern United States, commonly referred to as the American East, Eastern America, or simply the East, is the region of the United States to the east of the Mississippi River. In some cases the term may refer to a smaller area or the East C ...
. Late in the month, BOB 01 caused a few deaths in
Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
.


June

June was an active month with fourteen systems having formed. In early June, Tropical Storm Ewiniar impacted
South China South China () 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 that most of its citizens are not n ...
and
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...
, 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 The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
despite never making landfall. In the middle of the month, Tropical Storm Gaemi made landfall in
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...
, causing a few fatalities. Late in the month, Prapiroon affected Japan and the
Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
, killing a few people and causing over ten million in damages.


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 East China () is a geographical and a loosely defined cultural region that covers the eastern coastal area of China. A concept abolished in 1978, for economical purposes the region was defined from 1949 to 1961 by the Chinese Central Governme ...
. Around the same time, Hurricane Chris killed a person off the coast of
North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...
. Later in the month, Tropical Storm Son-Tinh impacted the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
,
South China South China () 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 that most of its citizens are not n ...
,
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...
,
Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...
,
Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...
, and
Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
, causing over a $235 million in damages and several dozen deaths.


August

August was an active month with 21 systems having formed.
Hurricane Florence Hurricane Florence was a powerful and long-lived Cape Verde hurricane that caused catastrophic damage in the Carolinas in September 2018, primarily as a result of freshwater flooding due to torrential rain. The sixth named storm, third hu ...
made landfall in
North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...
with deadly flooding, resulting in $24.23 billion in damages 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 The name Lane has been used for eight tropical cyclones in the Eastern Pacific Ocean. *Tropical Storm Lane (1978) *Tropical Storm Lane (1982) *Hurricane Lane (1988) *Hurricane Lane (1994) *Hurricane Lane (2000) *Hurricane Lane (2006) – a strong C ...
made an extremely close pass near
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
after peaking as a Category 5 Hurricane, becoming Hawaii's wettest
tropical cyclone A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depend ...
on record and the second wettest tropical cyclone in U.S. history, only behind
Hurricane Harvey Hurricane Harvey was a devastating Category 4 hurricane that made landfall on Texas and Louisiana in August 2017, causing catastrophic flooding and more than 100 deaths. It is tied with 2005's Hurricane Katrina as the costliest t ...
.


September

September was the most active month in the year at 23 tropical cyclones, including
Hurricane Walaka Hurricane Walaka was a Category 5 hurricane that brought high surf and a powerful storm surge to the Hawaiian Islands. Walaka was the nineteenth named storm, twelfth hurricane, eighth major hurricane, and second Category 5 hurricane ...
, the second most intense in the Central Pacific on record and
Typhoon Mangkhut Typhoon Mangkhut (), known in the Philippines as Typhoon Ompong, was a powerful and catastrophic tropical cyclone that caused extensive damage in Guam, the Philippines and South China in September 2018. It was the strongest typhoon to strike Lu ...
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 The 2018 Atlantic hurricane season was the third in a consecutive series of above-average and damaging Atlantic hurricane seasons, featuring 15 named storms, 8 hurricanes, and 2 major hurricanes, which caused a total of over $50 billion ( ...
to be the second Atlantic season in a row to see three hurricanes active at once on September 13.


October

October was an active month of the year but less so than previous months at 11 tropical cyclones.
Typhoon Yutu Typhoon Yutu, known in the Philippines as Super 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 Philippi ...
became the strongest tropical cyclone in 2018, neck-to-neck with Typhoon Kong-rey.
Hurricane Michael Hurricane Michael was a very powerful and destructive tropical cyclone that became the first Category 5 hurricane to make landfall in the contiguous United States since Andrew in 1992. It was the third-most intense Atlantic hurricane to ma ...
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 The contiguous United States (officially the conterminous United States) consists of the 48 adjoining U.S. states and the Federal District of the United States of America. The term excludes the only two non-contiguous states, Alaska and Hawaii ...
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 The Arabian Sea ( ar, اَلْبَحرْ ٱلْعَرَبِيُّ, Al-Bahr al-ˁArabī) is a region of the northern Indian Ocean bounded on the north by Pakistan, Iran and the Gulf of Oman, on the west by the Gulf of Aden, Guardafui Channel ...
and
Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean, bounded on the west and northwest by India, on the north by Bangladesh, and on the east by Myanmar and the Andaman and Nicobar Islands of India. Its southern limit is a line between ...
simultaneously. Hurricane Willa also became the closest Category 5 to Mexico since Patricia.


November

November featured 10 tropical cyclones.
Cyclone Gaja Very Severe Cyclonic Storm Gaja was the sixth named cyclone of the 2018 North Indian Ocean cyclone season, after Cyclones Sagar, Mekunu, Daye, Luban, and Titli. Forming on November 5 as a low-pressure system over the Gulf of Thailand, the sy ...
made landfall in South India, resulting in about 60 fatalities.


December

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


Global effects


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 The Saffir–Simpson hurricane wind scale (SSHWS) classifies hurricanes—which in the Western Hemisphere are tropical cyclones that exceed the intensities of tropical depressions and tropical storms—into five categories distinguished by ...
which uses 1-minute sustained winds.

5 The wind speeds for this tropical cyclone are based on
Météo-France Météo-France is the French national meteorological service. Organisation The organisation was established by decree in June 1993 and is a department of the Ministry of Transportation. It is headquartered in Paris but many domestic operatio ...
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 The 2018 Pacific typhoon season was at the time, the costliest Pacific typhoon season on record, until the record was beaten by the following year. The season was well above-average, producing 29 storms, 13 typhoons, and 7 super typhoons. It was ...
. It was later named ''Pabuk'' on January 1, 2019, and as such only counts for that year.


See also

*
Tropical cyclones by year The following is a list of tropical cyclones by year. Since the year 957, there have been at least 12,791 recorded tropical or subtropical cyclones in the Atlantic, Pacific, and Indian Oceans, which are known as basins. Collectively, tropical ...
*
List of earthquakes in 2018 This is a list of earthquakes in 2018. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for other reasons. All dates are listed according to UTC time. Maximum intensities are ...
*
Tornadoes of 2018 This page documents notable tornadoes and tornado outbreaks worldwide in 2018. Strong and destructive tornadoes form most frequently in the United States, Brazil, Bangladesh and East India, Eastern India, but they can occur almost anywhere under ...
* 2018 wildfire season *
2018 Kerala floods On 16 August 2018, severe floods affected the south Indian state Kerala, due to unusually high rainfall during the monsoon season. It was the worst flood in Kerala in nearly a century. Over 483 people died, and 15 are missing. About a milli ...
*
2018 Japan floods In late June through mid-July 2018, successive heavy downpours in southwestern Japan resulted in widespread, devastating floods and mudflows. The event is officially referred to as by the Japan Meteorological Agency. As of 20 July, 225&n ...


Notes


References


External links

Regional specialized meteorological centers
US National Hurricane Center
nbsp;– North Atlantic, Eastern Pacific
Central Pacific Hurricane Center
nbsp;– Central Pacific
Japan Meteorological Agency
nbsp;– NW Pacific
India Meteorological Department
nbsp;–
Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean, bounded on the west and northwest by India, on the north by Bangladesh, and on the east by Myanmar and the Andaman and Nicobar Islands of India. Its southern limit is a line between ...
and the
Arabian Sea The Arabian Sea ( ar, اَلْبَحرْ ٱلْعَرَبِيُّ, Al-Bahr al-ˁArabī) is a region of the northern Indian Ocean bounded on the north by Pakistan, Iran and the Gulf of Oman, on the west by the Gulf of Aden, Guardafui Channel ...

Météo-France – La Reunion
nbsp;– South Indian Ocean from 30°E to 90°E
Fiji Meteorological Service
nbsp;– South Pacific west of 160°E, north of 25° S Tropical cyclone warning centers
Meteorology, Climatology, and Geophysical Agency of Indonesia
nbsp;– South Indian Ocean from 90°E to 141°E, generally north of 10°S
Australian Bureau of Meteorology (TCWC's Perth, Darwin & Brisbane)
nbsp;– South Indian Ocean & South Pacific Ocean from 90°E to 160°E, generally south of 10°S
Papua New Guinea National Weather Service
nbsp;– South Pacific Ocean from 141°E to 160°E, generally north of 10°S
Meteorological Service of New Zealand Limited
nbsp;– South Pacific west of 160°E, south of 25°S {{DEFAULTSORT:Tropical cyclones in 2018 Tropical cyclones by year 2018 Atlantic hurricane season 2018 Pacific hurricane season 2018 Pacific typhoon season 2018 North Indian Ocean cyclone season 2017–18 Australian region cyclone season 2018–19 Australian region cyclone season 2017–18 South Pacific cyclone season 2018–19 South Pacific cyclone season 2017–18 South-West Indian Ocean cyclone season 2018–19 South-West Indian Ocean cyclone season 2018-related lists