Tropical cyclones in 2018

During 2018, tropical cyclones formed within seven different tropical cyclone basins, located within various parts of the Atlantic, Pacific and Indian Oceans. During the year, a total of 151 tropical cyclones had formed this year to date. 102 tropical cyclones were named by either a Regional Specialized Meteorological Center (RSMC) or a Tropical Cyclone Warning Center (TCWC).

Tropical cyclones in 2018
Year summary map
Year boundaries
First systemAva
FormedDecember 27, 2017
Last systemPenny
DissipatedJanuary 9, 2019
Strongest system
NameKong-rey & Yutu
Lowest pressure900 mbar/hPa; 26.58 inHg
Longest lasting system
NameIris & Leslie
Duration21 days
Year statistics
Total systems151
Named systems102
Total fatalities1,500 total
Total damage> $86.65 billion (2018 USD)
Related articles
Hurricanes Walaka and Sergio, Tropical Depression Rosa, Tropical Storm Leslie and Typhoon Kong-rey on October 2, 2018

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 an 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.

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.

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. Six tropical cyclones: Beryl,[6] Chris,[7] Debby,[8] Ernesto,[9] Joyce[10] and Leslie,[11] developed or reformed in the subtropical Atlantic.

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 MangkhutTropical Storm Gordon (2018)Hurricane Olivia (2018)Typhoon Jebi (2018)Hurricane Lane (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)

Systems

January

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.

Tropical cyclones formed in January 2018
Storm name Dates active Max. wind
km/h (mph)
Pressure
(hPa)
Areas affected Damage
(USD)
Deaths Refs.
Ava December 27-January 9 155 (100) 965 Madagascar $4.62 million 73
Bolaven (Agaton) December 29-January 4 65 (40) 1002 Caroline Islands, Philippines, Vietnam $11.1 million 3
07U January 1–2 N/A 1006 None None None
Irving January 3–9 150 (90) 964 None None None
Joyce January 7–16 85 (50) 978 Western Australia None None
Berguitta January 9–20 165 (105) 940 Mauritius, Réunion $26.5 million 1
04 January 14–16 55 (35) 999 Madagascar, Mozambique $5.1 million 11
10U January 14–19 Unspecified Unspecified Christmas Island None None
11U January 20–February 1 75 (45) 985 Top End, Western Australia None None
12U January 23–24 Unspecified Unspecified None None None
Cebile January 25–February 4 185 (115) 944 None None None
05F January 26–27 Unspecified 996 New Caledonia None None
Fehi January 28–30 85 (50) 986 New Caledonia, New Zealand $67 million None [12]

February

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.

Tropical cyclones formed in February 2018
Storm name Dates active Max. wind
km/h (mph)
Pressure
(hPa)
Areas affected Damage
(USD)
Deaths Refs.
14U February 1 Unspecified Unspecified None None None
Gita February 3–19 205 (125) 927 Vanatu, Fiji, Wallis and Futuna, Samoa, American Samoa, Niue, Tonga, New Caledonia, Queensland, New Zealand $250 million 2 [12]
08F February 3–11 Unspecified 994 Fiji None None
Sanba (Basyang) February 8–16 65 (40) 1000 Caroline Islands, Philippines $3.23 million 15 [13]
15U February 9–12 Unspecified Unspecified None None None
Kelvin February 11–20 150 (90) 955 Top End, Western Australia, South Australia $25 million None [14][12]

March

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 name Dates active Max. wind
km/h (mph)
Pressure
(hPa)
Areas affected Damage
(USD)
Deaths Refs.
Dumazile March 1–6 165 (105) 945 Madagascar, Réunion None None
Hola March 3–11 165 (105) 952 Vanuatu, New Caledonia, New Zealand Unknown 3 [15][16]
18U March 4–9 Unspecified 1001 Northern Territory $40 million None [12]
Eliakim March 13–20 110 (70) 980 Madagascar $3.21 million 21 [17][18]
Linda March 13–16 75 (45) 993 Solomon Islands, New Caledonia, South East Queensland None None
ARB 01 March 13–15 45 (30)3 1006 South India, Maldives None None
Marcus March 14–24 250 (155) 905 Tanimbar Islands, Top End, Kimberley $75 million None [12]
Nora March 20–26 155 (100) 958 Cape York Peninsula, New Guinea, Top End None None
Iris March 20–April 9 100 (65) 987 None None None
23U March 23–25 Unspecified 1004 None None None
Jelawat (Caloy) March 24–April 1 195 (120) 915 Caroline Islands None None
Josie March 29–April 2 75 (45) 993 Vanatu, Fiji, Tonga $10 million 6 [12]

April

Cyclone Keni

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 name Dates active Max. wind
km/h (mph)
Pressure
(hPa)
Areas affected Damage
(USD)
Deaths Refs.
Keni April 5–11 140 (85) 970 Vanuatu, Fiji, Tonga $50 million None [12]
14F April 17–20 Unspecified 1000 Rotuma None None
Fakir April 20–24 130 (80) 975 Madagascar, Réunion, Mauritius $24.5 million 2 [19][12]
Flamboyan April 26–May 1 110 (70) 983 None None None

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.

Tropical cyclones formed in May 2018
Storm name Dates active Max. wind
km/h (mph)
Pressure
(hPa)
Areas affected Damage
(USD)
Deaths Refs.
Lexi May 4–9 75 (45)4 988 Alejandro Selkirk Island, Juan Fernández Islands, Chile None None
04W May 10–15 Unspecified 1008 None None None
One-E May 10–11 55 (35)4 1007 None None None
Sagar May 16–20 85 (50)3 994 Yemen, Horn of Africa $30 million 79 [20][21][22]
Mekunu May 21–27 175 (110)3 960 Yemen, Oman, Saudi Arabia $1.5 billon 31 [23][24][25]
Alberto May 25–31 100 (65)4 990 Yucatán Peninsula, Cayman Islands, Cuba, Gulf Coast of the United States, Southeastern United States, Midwestern United States, Ontario $125 million 18 [26]
BOB 01 May 29–30 55 (35)3 990 Myanmar None 5 [27]

June

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 name Dates active Max. wind km/h (mph) Min. pressure (mbar) Areas affected Damage (USD) Deaths Refs.
Ewiniar June 2–9 75 (45) 998 Vietnam, Philippines, South China, Taiwan, Ryukyu Islands $812 million 13 [25][28]
Maliksi (Domeng) June 3–11 110 (70) 970 Ryukyu Islands, Philippines, Honshu None 2 [29]
TD June 4–5 Unspecified 1006 None None None
Aletta June 6–11 220 (140)4 943 None None None
Bud June 9–15 220 (140)4 943 Western Mexico, Baja California Sur, Southwestern United States Minimal None
BOB 02 June 10–11 45 (30)3 989 Bangladesh None None
07W June 13–15 65 (40) 996 Taiwan, Ryukyu Islands None None
Gaemi (Ester) June 13–16 85 (50) 990 Taiwan, Ryukyu Islands None 3 [30]
Carlotta June 14–18 100 (65)4 997 Southwestern Mexico Unknown None
TD June 17–18 Unspecified 1000 South China None None
Daniel June 24–26 75 (45)4 1004 None None None
Emilia June 27–July 1 95 (60)4 997 None None None
Prapiroon (Florita) June 28–July 4 120 (75) 960 Japan, Korean Peninsula $10 million 4 [31][32]
Fabio June 30–July 6 175 (110)4 964 None None None

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.

Tropical cyclones formed in July 2018
Storm name Dates active Max. wind km/h (mph) Min. pressure (mbar) Areas affected Damage (USD) Deaths Refs.
Maria (Gardo) July 3–12 195 (120) 915 Mariana Islands, Ryukyu Islands, Taiwan, East China $623 million 1 [33][31]
Beryl July 5–16 130 (80)4 991 Lesser Antilles, Hispaniola, Puerto Rico, Cuba, The Bahamas, Bermuda, Atlantic Canada Minimal None
Chris July 6–12 165 (105)4 969 Bermuda, East Coast of the United States, Atlantic Canada, Iceland Minimal 1 [34]
Son-Tinh (Henry) July 16–24 75 (45) 994 Philippines, South China, Vietnam, Laos, Thailand, Myanmar $256 million 170 [31]
TD July 16–17 Unspecified 998 South China, Vietnam, Laos $14.9 million None [35]
Ampil (Inday) July 17–24 95 (60) 985 Ryukyu Islands, China, Russian Far East $241 million 1 [36]
13W (Josie) July 20–23 55 (35) 996 Philippines, Taiwan, Ryukyu Islands, East China $87.4 million 16 [37]
BOB 03 July 21–23 45 (30)3 989 East India, North India Unknown 69
Wukong July 22–26 95 (60) 990 None None None
Jongdari July 23–August 4 140 (85) 960 Japan, East China $1.48 billion None [38][39]
Gilma July 26–29 75 (45)4 1005 None None None
Nine-E July 26–27 55 (35)4 1007 None None None
16W July 31–August 1 55 (35) 1002 None None None
Hector July 31–August 16 250 (155)4 936 Hawaii, Johnston Atoll Minimal None

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[40] 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[41] and the second wettest tropical cyclone in U.S. history, only behind Hurricane Harvey.

Tropical cyclones formed in August 2018
Storm name Dates active Max. wind km/h (mph) Min. pressure (mbar) Areas affected Damage (USD) Deaths Refs.
Shanshan August 2–10 130 (80) 970 Mariana Islands, Japan $132 thousand None
Ileana August 4–7 100 (65)4 998 Western Mexico, Baja California Sur Unknown 8 [42]
John August 5–10 175 (110)4 964 Western Mexico, Baja California Sur, Southern California None None
Yagi (Karding) August 6–15 75 (45) 990 Philippines, Taiwan, Ryukyu Islands, China $386 million 8 [43][44]
Kristy August 7–12 110 (70)4 991 None None None
BOB 04 August 7–8 45 (30)3 992 East India None None
Debby August 7–9 85 (50)4 998 None None None
Bebinca August 9–17 85 (50) 985 South China, Laos, Vietnam, Thailand, Myanmar $367 million 19 [45][46]
Leepi August 10–15 95 (60) 994 Japan, South Korea None None
Rumbia August 14–19 85 (50) 985 Ryukyu Islands, China, Korean Peninsula, Russian Far East $5.36 billion 53 [47][48]
Soulik August 15–24 155 (100) 950 Caroline Islands, Mariana Islands, Northeast China, Japan, Korean Peninsula, Russian Far East, Alaska $84.5 million 86 [49]
Lane August 15–29 260 (160)4 926 Hawaii $250 million 1 [39][50]
BOB 05 August 15–17 45 (30)3 994 East India, Central India, West India Unknown None
Ernesto August 15–18 75 (45)4 1003 Ireland, United Kingdom None
Cimaron August 16–24 155 (100) 950 Marshall Islands, Mariana Islands, Japan, Aleutian Islands $30.6 million None
24W (Luis) August 22–26 55 (35) 994 Taiwan, East China $34 million 7 [51][39]
TD August 24–26 Unspecified 1000 Ryukyu Islands, East China None None
Miriam August 26–September 2 155 (100)4 974 None None None
Jebi (Maymay) August 26–September 4 195 (120) 915 Mariana Islands, Taiwan, Japan, Russian Far East, Arctic $3.29 billion 17 [52][53][54][55]
Norman August 28–September 10 240 (150)4 937 Hawaii None None
Florence August 31–September 17 240 (150)4 937 West Africa, Cape Verde, Bermuda, Southeastern United States, Mid-Atlantic States, Atlantic Canada >$24.23 billion 57

September

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 name Dates active Max. wind km/h (mph) Min. pressure (mbar) Areas affected Damage (USD) Deaths Refs.
Olivia September 1–13 215 (130)4 951 Hawaii $25 million None
Gordon September 3–6 110 (70)4 996 Greater Antilles, The Bahamas, Florida, Gulf Coast of the United States, Eastern United States, Ontario $200 million 3 [56][57]
TD September 5–8 55 (35) 1000 Ryukyu Islands None None
BOB 06 September 6–7 55 (35)3 990 East India Unknown None
Mangkhut (Ompong) September 7–17 205 (125) 905 Marshall Islands, Mariana Islands, Philippines, Taiwan, Hong Kong, Macau, South China, Vietnam $3.74 billion 134
Helene September 7–16 175 (110)4 967 West Africa, Cape Verde, Azores, Ireland, United Kingdom, Norway Unknown 3 [58]
Isaac September 7–15 120 (75)4 995 West Africa, Lesser Antilles, Haiti, Jamaica, Cayman Islands, Cuba Minimal None
Barijat (Neneng) September 8–13 75 (45) 998 Philippines, Taiwan, South China, Vietnam $7.3 million None
Paul September 8–11 75 (45)4 1002 None None None
Joyce September 12–19 85 (50)4 995 None None None
01 September 13–17 75 (45) 1004 None None None
Nineteen-E September 19–20 55 (35)4 1002 Baja California Sur, Northwestern Mexico, Southwestern United States, Texas, Oklahoma, Arkansas >$296 million 14
Daye September 19–22 65 (40)3 992 Andhra Pradesh, East India, Central India, North India Minimal None
Trami (Paeng) September 20–October 1 195 (120) 915 Mariana Islands, Taiwan, Japan, Russian Far East, Alaska $1 billion 4
TD September 21–22 Unspecified 1006 None None None
Eleven September 21–22 55 (35)4 1007 None None None
Kirk September 22–29 100 (65)4 998 Lesser Antilles $444,000 2
Leslie September 23–October 13 150 (90)4 968 Azores, Bermuda, East Coast of the United States, Madeira, Iberian Peninsula, France >$500 million 17
Rosa September 25–October 2 240 (150)4 936 Baja California Peninsula, Northwestern Mexico, Southwestern United States $50.5 million 3
29W September 25–27 55 (35) 1008 None None None
Liua September 26–29 75 (45) 994 Solomon Islands, Papua New Guinea None None
Zorbas September 27–October 1 120 (75) 987 Tunisia, Libya, Greece, Turkey Unknown ≥5
Kong-rey (Queenie) September 28–October 6 215 (130) 900 Caroline Islands, Mariana Islands, Japan, Taiwan, South Korea $172 million 3
Sergio September 29–October 13 220 (140)4 943 Baja CalifornNorthwestern Mexico, Southwestern United States $352.1 million 2
Walaka September 29–October 6 260 (160)4 920 Johnston Atoll, Northwestern Hawaiian Islands, Alaska, British Columbia Minimal None

October

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 name Dates active Max. wind km/h (mph) Min. pressure (mbar) Areas affected Damage (USD) Deaths Refs.
Luban October 6–15 140 (85)3 976 Yemen, Oman $1 billion 14
Michael October 7–11 260 (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 billion 74
Titli October 8–12 150 (90)3 970 Andhra Pradesh, East India $920 million 85
Nadine October 9–13 100 (65)4 995 None None None
Tara October 14–17 100 (65)4 995 Southwestern Mexico Unknown None [59]
Vicente October 19–23 85 (50)4 1002 Honduras, El Salvador, Guatemala, Southwestern Mexico $7.05 million 16 [60][60]
TD October 19–20 Unspecified 1008 Vietnam, Cambodia, Thailand, Myanmar None None
Willa October 20–24 260 (160)4 925 Central America, Southwestern Mexico, Texas $537 million 6 [61][62]
TD October 20 Unspecified 1008 None None None
Yutu (Rosita) October 21–November 2 215 (130) 900 Caroline Islands, Mariana Islands, Philippines, South China, Taiwan $198 million 30
Oscar October 27–31 175 (110)4 966 None None None

November

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

Tropical cyclones formed in November 2018
Storm name Dates active Max. wind km/h (mph) Min. pressure (mbar) Areas affected Damage (USD) Deaths Refs.
Xavier November 2–5 100 (65)4 995 Southwestern Mexico None None
Alcide November 5–11 165 (105) 965 Agaléga, Madagascar, Tanzania None None
TD November 9 <55 (35) 1002 None None None
Bouchra November 9–20 95 (60) 990 None None None
Gaja November 10–19 110 (70)3 992 Andaman Islands, South India, Sri Lanka $775 million 52
02F November 11–16 Unspecified 1003 Solomon Islands None None
TL November 14–18 Unspecified 1004 Java, Christmas Island None None
Usagi (Samuel) November 14–26 110 (70) 990 Caroline Islands, Philippines, Vietnam, Cambodia, Laos $16 million 4
Toraji November 16–22 65 (40) 1004 Vietnam, Malay Peninsula $43.2 million 22
Man-yi (Tomas) November 20–28 150 (90) 960 Caroline Islands, Alaska None None
Owen November 29–December 17 150 (90) 958 Solomon Islands, Papua New Guinea, Queensland, Northern Territory $25 million 1

December

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 name Dates active Max. wind km/h (mph) Min. pressure (mbar) Areas affected Damage (USD) Deaths Refs.
TL December 9–12 Unspecified 1005 Solomon Islands, Queensland None None
Phethai December 13–18 100 (65)3 993 East India, Northeast India $100 million 8
Kenanga December 14–22 185 (115) 942 None None None
Cilida December 16–24 215 (130) 940 Mauritius Minimal None
35W (Usman) December 25–29 55 (35) 1000 Palau, Philippines $103 million 156 [63]
TL December 27–28 Unspecified 1001 Top End, Timor, Kimberley None None
Penny December 26—January 9 95 (60) 987 Papua New Guinea, Queensland Minimal None
Mona6 December 28—January 7 95 (60) 985 Solomon Islands, Fiji Minimal None
03F December 28—January 1 55 (35) 998 Solomon Islands, Fiji None None
TL December 29–30 Unspecified 1007 Tagula Island None None
TL December 30—January 2 Unspecified 1007 Java None None
05F December 31—January 2 Unspecified 998 None None None

Global effects

Season name Areas affected Systems formed Named systems Damage (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 16 15 >$50.205 billion 172
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 27 24 >$1.258 billion 52
2018 Pacific typhoon season1 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 44 29 >$30.23 billion 772
2018 North Indian Ocean cyclone season Andaman Islands, Myanmar, India, Bangladesh, Maldives, Arabian Peninsula, Horn of Africa, 14 7 $4.325 billion 343
2017–18 South-West Indian Ocean cyclone season1 Madagascar, Mozambique, Mauritius, Réunion 8 6 $63.9 million 108
2018–19 South-West Indian Ocean cyclone season2 Agaléga, Madagascar, Tanzania, Mauritius 4 4 None None
2017–18 Australian region cyclone season1 Western Australia, Christmas Island, Top End, Solomon Islands, South Australia, New Caledonia, South East Queensland, Tanimbar Islands, East Timor, Papua New Guinea 17 8 $165 million 41
2018–19 Australian region cyclone season2 Papua New Guinea, Solomon Islands, Java, Christmas Island, Timor, Queensland, Northern Territory 10 3 $25 million 1
2017–18 South Pacific cyclone season1 Fiji, New Caledonia, Vanuatu, Tonga, New Zealand, Samoan Islands, Wallis and Futuna, Niue, Solomon Islands 8 5 $377 million 11
2018–19 South Pacific cyclone season2 Solomon Islands, Fiji 3 1 None None
Worldwide (See above) 151[lower-alpha 1] 102 >$86.65 billion 1,500[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.

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See also

References

  1. Brian Donegan (August 28, 2018). "The Most Active Month for Hurricanes Begins This Weekend; Is the Tropical Atlantic About to Wake Up?". Retrieved September 15, 2018.
  2. Berg, Robbie. Hurricane Beryl Advisory Number 5. National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 16 September 2018.
  3. Roberts, Dave. Tropical Storm Florence Advisory Number 20. National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 16 September 2018.
  4. Pasch, Richard. Hurricane Helene Advisory Number 10. National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 16 September 2018.
  5. Zelinsky, David. Hurricane Isaac Advisory Number 10. National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 16 September 2018.
  6. Beven, Jack. Subtropical Storm Beryl Special Advisory Number 16. National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 16 September 2018.
  7. Beven, Jack. Hurricane Chris Advisory Number 18. National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 16 September 2018.
  8. Stewart, Stacy. Tropical Storm Debby Advisory Number 4. National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 16 September 2018.
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