During 2005, 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 North Pacific Ocean, the Southwest Pacific, the Southwest and Southeast Indian Oceans, ...

, located within various parts of the Atlantic, Pacific and Indian Oceans. During the year, a total of 141 systems formed with 94 of these developing further and were named by the responsible warning centre. The strongest

tropical cyclone A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its locat ...

of the year was

Hurricane Wilma Hurricane Wilma was the most intense tropical cyclone in the Atlantic basin and the second-most intense tropical cyclone in the Western Hemisphere, both based on barometric pressure, after Hurricane Patricia in 2015. Wilma's rapid intensifi ...

, which was estimated to have a minimum

barometric pressure Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as , which is equivalent to 1,013.2 ...

of . 2005 was above-average in terms of the number of storms. The most active basin in the year was the

North Atlantic The Atlantic Ocean is the second largest of the world's five oceanic divisions, with an area of about . It covers approximately 17% of Earth's surface and about 24% of its water surface area. During the Age of Discovery, it was known for ...

, which documented 28 named systems. The Western Pacific had an near-average season with 23 named storms. The Eastern Pacific hurricane season experienced an above-average number of

tropical storm A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its lo ...

intensity systems, numbering 15. 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 Aus ...

, and

South Pacific The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

– was fairly significant, with the regions recording 23 named storms altogether, with the most intense Southern Hemisphere cyclone of the year,

Cyclone Percy Severe Tropical Cyclone Percy was an extremely powerful tropical cyclone, which was the third and last Category 5 cyclone to form in the 2004–05 South Pacific cyclone season. The seventh named storm and the fourth and final severe tropical cyc ...

from the South Pacific Ocean basin peaking at and 900 millibars. Throughout the year, 28 Category 3 tropical cyclones formed, including eight Category 5 tropical cyclones in the year. The

accumulated cyclone energy Accumulated cyclone energy (ACE) is a metric used to compare overall activity of tropical cyclones, utilizing the available records of windspeeds at six-hour intervals to synthesize storm duration and strength into a single index value. The ACE ...

(ACE) index for the 2005 (seven basins combined), as calculated by

Colorado State University Colorado State University (Colorado State or CSU) is a Public university, public Land-grant university, land-grant research university in Fort Collins, Colorado, United States. It is the flagship university of the Colorado State University Syst ...

was 899.6 units. The deadliest tropical cyclone of the year was

Hurricane Stan Hurricane Stan was the deadliest tropical cyclone of the 2005 Atlantic hurricane season. A relatively weak system that affected areas of Central America and Mexico in early October 2005, Stan was the eighteenth named storm and eleventh hurric ...

in the North Atlantic Ocean, which killed more than 1,600 people in Central America.

Hurricane Katrina Hurricane Katrina was a powerful, devastating and historic tropical cyclone that caused 1,392 fatalities and damages estimated at $125 billion in late August 2005, particularly in the city of New Orleans and its surrounding area. ...

, also in the North Atlantic Ocean, was the costliest tropical cyclone of the season and all time (tied with

Hurricane Harvey Hurricane Harvey was a devastating tropical cyclone that made landfall in 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 tropical cy ...

2017 2017 was designated as the International Year of Sustainable Tourism for Development by the United Nations General Assembly. Events January * January 1 – Istanbul nightclub shooting: A gunman dressed as Santa Claus opens fire at the ...

), causing more than $125billion in damage after striking the United States, especially

New Orleans New Orleans (commonly known as NOLA or The Big Easy among other nicknames) is a Consolidated city-county, consolidated city-parish located along the Mississippi River in the U.S. state of Louisiana. With a population of 383,997 at the 2020 ...

and its surrounding areas.

Global atmospheric and hydrological conditions

2005 Pacific hurricane season three active storms

The 2005 tropical cyclone season was marked by record-breaking activity, particularly in the North Atlantic, which saw 28 named storms, 15 hurricanes, and 7 major hurricanes, including

. This was driven by unusually warm sea surface temperatures, low wind shear, and favorable atmospheric pressure patterns. Globally, the Western Pacific and Indian Oceans experienced near-average activity, while the Eastern Pacific was slightly below average due to cooler waters. The season was shaped by neutral ENSO conditions, warm ocean temperatures, and high ocean heat content, contributing to cyclone intensity in several regions. A strong

La Niña LA most frequently refers to Los Angeles, the second most populous city in the United States of America. La, LA, or L.A. may also refer to: Arts and entertainment Music *La (musical note), or A, the sixth note *"L.A.", a song by Elliott Smit ...

existed throughout 2005.

Summary

ImageSize = width:1400 height:470 PlotArea = top:10 bottom:80 right:20 left:20 Legend = columns:3 left:30 top:58 columnwidth:270 AlignBars = early DateFormat = dd/mm/yyyy Period = from:30/12/2004 till:08/01/2006 TimeAxis = orientation:horizontal ScaleMinor = grid:black unit:month increment:1 start:01/01/2005 Colors = id:canvas value:gray(0.88) id:NATL value:blue legend: North_Atlantic_Ocean id:EPAC/CPAC value:green legend: East_and_Central_Pacific_Ocean id:WPAC value:red legend: West_Pacific_Ocean id:NIO value:orange legend: North_Indian_Ocean id:SWIO value:purple legend: Southwest_Indian_Ocean id:SPAC value:yellow legend: South_Pacific_Ocean id:AUSR value:pink legend: Australian_Region id:SATL value:black legend: South_Atlantic_Ocean id:MED value:gray(0.99) legend: Mediterranean_Sea Backgroundcolors = canvas:canvas BarData = barset:Hurricane bar:Month PlotData= barset:Hurricane width:11 align:left fontsize:S shift:(4,-4) anchor:till from:30/12/2004 till:10/01/2005 color:AUSR text:"Raymond" from:04/01/2005 till:05/01/2005 color:SWIO text:"07" from:05/01/2005 till:18/01/2005 color:AUSR text:"Kerry" from:07/01/2005 till:10/01/2005 color:NIO text:"01B" from:07/01/2005 till:09/01/2005 color:AUSR text:"Sally" from:11/01/2005 till:17/01/2005 color:AUSR text:"10S" from:13/01/2005 till:17/01/2005 color:NIO text:"Hibaru" from:13/01/2005 till:19/01/2005 color:WPAC text:"Kulap" from:16/01/2005 till:23/01/2005 color:SWIO text:"

Ernest Ernest is a given name derived from the Germanic languages, Germanic word ''ernst'', meaning "serious", often shortened to Ernie. Notable people and fictional characters with the name include: People *Archduke Ernest of Austria (1553–1595), ...

from:17/01/2005 till:23/01/2005 color:SWIO text:"Daren" from:23/01/2005 till:23/01/2005 color:SWIO text:"10" from:26/01/2005 till:02/02/2005 color:SWIO text:"Felapi" from:27/01/2005 till:02/02/2005 color:SPAC text:"Lola" from:29/01/2005 till:05/02/2005 color:SWIO text:"Gerard" from:01/02/2005 till:08/02/2005 color:SPAC text:"

Meena Meena () is a tribe from northern and western India which is sometimes considered a sub-group of the Bhil community. It used to be claimed they speak Mina language, a Spurious languages, spurious language. Its name is also transliterated as ' ...

from:04/02/2005 till:08/02/2005 color:SWIO text:"13" from:04/02/2005 till:09/02/2005 color:AUSR text:"Vivienne" from:05/02/2005 till:07/02/2005 color:AUSR text:" Harvey" from:08/02/2005 till:17/02/2005 color:SWIO text:"14" from:10/02/2005 till:20/02/2005 color:SPAC text:"

Olaf Olaf or Olav (, , or differences between General American and Received Pronunciation, British ; ) is a Dutch, Polish, Scandinavian and German given name. It is presumably of Proto-Norse origin, reconstructed as ''*Anu-laibaz'', from ''anu'' "ances ...

" from:10/02/2005 till:17/02/2005 color:SPAC text:" Nancy" from:24/02/2005 till:05/03/2005 color:SPAC text:" Percy" from:24/02/2005 till:28/02/2005 color:SWIO text:"15" from:26/02/2005 till:02/03/2005 color:SPAC text:"11F" from:27/02/2005 till:08/03/2005 color:SPAC text:"Rae" from:27/02/2005 till:04/03/2005 color:SPAC text:"13F" barset:break from:05/03/2005 till:17/03/2005 color:AUSR text:"

Ingrid Ingrid may refer to: * Ingrid (given name), including a list of people and fictional characters * Ingrid Burley (born 1986), rapper known mononymously as Ingrid * Ingrid (record label), also an artist collective * Tropical Storm Ingrid, various cy ...

" from:09/03/2005 till:14/03/2005 color:AUSR text:"Willy" from:13/03/2005 till:18/03/2005 color:WPAC text:"Roke" from:19/03/2005 till:26/03/2005 color:SWIO text:"Hennie" from:29/03/2005 till:06/04/2005 color:SWIO text:"Isang" from:03/04/2005 till:05/04/2005 color:AUSR barset:break barset:skip barset:skip barset:skip barset:skip barset:skip from:05/04/2005 till:11/04/2005 color:SWIO text:"Adeline-Juliet" from:13/04/2005 till:15/04/2005 color:AUSR text:"11U" from:14/04/2005 till:02/05/2005 color:SPAC text:"14F" from:16/04/2005 till:23/04/2005 color:SPAC text:"Sheila" from:20/04/2005 till:22/04/2005 color:SPAC text:"16F" from:21/04/2005 till:27/04/2005 color:WPAC text:"Sonca" from:26/04/2005 till:02/05/2005 color:SPAC text:"17F" from:29/04/2005 till:02/05/2005 color:SPAC text:"18F" from:16/05/2005 till:17/05/2005 color:WPAC text:"Crising" from:17/05/2005 till:21/05/2005 color:EPAC/CPAC text:"

Adrian Adrian is a form of the Latin given name Adrianus or Hadrianus. Its ultimate origin is most likely via the former river Adria from the Venetic and Illyrian word ''adur'', meaning "sea" or "water". The Adria was until the 8th century BC the ma ...

" from:29/05/2005 till:11/06/2005 color:WPAC text:"Nesat" from:08/06/2005 till:13/06/2005 color:NATL text:"

Arlene Arlene may refer to: * Arleen, a feminine name, also spelled Arlene * "Arlene" (song), the 1985 debut single by American country music artist Marty Stuart * Arlene, a Beanie Baby cat produced by Ty, Inc. * List of storms named Arlene, the name of ...

" from:21/06/2005 till:26/06/2005 color:EPAC/CPAC text:"Beatriz" from:21/06/2005 till:22/06/2005 color:NIO text:"ARB 01" from:26/06/2005 till:03/07/2005 color:EPAC/CPAC text:"Calvin" from:27/06/2005 till:05/07/2005 color:NIO text:"LAND 01" from:28/06/2005 till:30/06/2005 color:NATL text:" Bret" from:03/07/2005 till:07/07/2005 color:NATL text:"

Cindy Cindy may refer to: People *Cindy (given name), a list of people named Cindy, Cindi, Cyndi or Cyndy *Tugiyati Cindy (born 1985), Indonesian footballer *Cindy (singer), Japanese singer Music * ''Cindy'' (musical), an off-Broadway production in 1 ...

" from:04/07/2005 till:13/07/2005 color:NATL text:"

Dennis Dennis or Denis is a first or last name from the Greco-Roman name Dionysius, via one of the Christian saints named Dionysius. The name came from Dionysus, the Greek god of ecstatic states, particularly those produced by wine, which is some ...

" from:04/07/2005 till:07/07/2005 color:WPAC text:"Emong" from:04/07/2005 till:07/07/2005 color:EPAC/CPAC text:"Dora" barset:break from:10/07/2005 till:21/07/2005 color:WPAC text:" Haitang" from:10/07/2005 till:21/07/2005 color:NATL text:"

Emily Emily may refer to: * Emily (given name), including a list of people with the name Music * "Emily" (1964 song), title song by Johnny Mandel and Johnny Mercer to the film ''The Americanization of Emily'' * "Emily" (Dave Koz song), a 1990 song ...

" from:18/07/2005 till:22/07/2005 color:EPAC/CPAC text:"Eugene" from:18/07/2005 till:24/07/2005 color:WPAC text:"Nalgae" from:20/07/2005 till:27/07/2005 color:WPAC text:"Banyan" from:21/07/2005 till:29/07/2005 color:NATL text:"Franklin" from:23/07/2005 till:25/07/2005 color:NATL text:"

Gert Gert is a mainly masculine given name (sometimes a short form of Gerrit, Gerard, etc.), with some female bearers (short for Gertrude). Since 1993 no one in Sweden has been baptised as Gert according to the Swedish Bureau of Census, so the na ...

" from:28/07/2005 till:31/07/2005 color:WPAC text:"Washi" from:29/07/2005 till:31/07/2005 color:NATL text:"BOB 02" from:30/07/2005 till:07/08/2005 color:WPAC text:" Matsa" from:02/08/2005 till:08/08/2005 color:NATL text:"Harvey" from:03/08/2005 till:04/08/2005 color:EPAC/CPAC text:"One-C" from:04/08/2005 till:18/08/2005 color:NATL text:"

Irene Irene is a name derived from εἰρήνη (eirēnē), Greek for "peace". Irene, and related names, may refer to: * Irene (given name) Places * Irene, Gauteng, South Africa * Irene, South Dakota, United States * Irene, Texas, United States ...

" from:09/08/2005 till:17/08/2005 color:EPAC/CPAC text:"Fernanda" from:09/08/2005 till:12/08/2005 color:WPAC text:"TD" from:10/08/2005 till:14/08/2005 color:WPAC text:"Sanvu" from:11/08/2005 till:16/08/2005 color:EPAC/CPAC text:"Greg" from:13/08/2005 till:14/08/2005 color:NATL text:"Ten" from:19/08/2005 till:28/08/2005 color:EPAC/CPAC text:"Hilary" from:19/08/2005 till:28/08/2005 color:WPAC text:"Mawar" from:21/08/2005 till:25/08/2005 color:WPAC text:"Guchol" from:23/08/2005 till:31/08/2005 color:NATL text:" Katrina" from:25/08/2005 till:03/09/2005 color:EPAC/CPAC text:"Irwin" from:25/08/2005 till:02/09/2005 color:WPAC text:" Talim" from:27/08/2005 till:30/08/2005 color:WPAC text:"TD" from:28/08/2005 till:02/09/2005 color:NATL text:"Lee" barset:break from:28/08/2005 till:08/09/2005 color:WPAC text:"

Nabi Nabi may refer to: People *Adil Nabi (born 1994), English footballer *Heiki Nabi (born 1985), Estonian wrestler *Isadore Nabi, satirical pseudonym of Richard Levins and Richard Lewontin, scientists in the 1960s *Mohammad Nabi (born 1985), Afghan c ...

" from:01/09/2005 till:10/09/2005 color:NATL 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, ...

" from:05/09/2005 till:06/09/2005 color:SWIO text:"01" from:05/09/2005 till:10/09/2005 color:NATL text:"

Nate Nate or NATE may refer to: People and fictional characters *Nate (given name) *A nickname for Nathanael *A nickname for Nathaniel Organizations *National Association for the Teaching of English, the UK subject teacher association for all aspects ...

" from:06/09/2005 till:17/09/2005 color:NATL text:"

Ophelia Ophelia () is a character in William Shakespeare's drama ''Hamlet'' (1599–1601). She is a young noblewoman of Denmark, the daughter of Polonius, sister of Laertes and potential wife of Prince Hamlet. Due to Hamlet's actions, Ophelia ultima ...

" from:07/09/2005 till:13/09/2005 color:WPAC text:"Khanun" from:11/09/2005 till:14/09/2005 color:WPAC text:"TD" from:12/09/2005 till:16/09/2005 color:NIO text:"BOB 03" from:12/09/2005 till:25/09/2005 color:EPAC/CPAC text:"Jova" from:14/09/2005 till:01/10/2005 color:EPAC/CPAC text:"

Kenneth Kenneth is a given name of Gaelic origin. 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 ...

" from:14/09/2005 till:16/09/2005 color:NIO text:"ARB 02" from:15/09/2005 till:16/09/2005 color:WPAC text:"TD" from:16/09/2005 till:19/09/2005 color:WPAC text:" Vicente" from:17/09/2005 till:23/09/2005 color:NATL text:"Philippe" from:17/09/2005 till:26/09/2005 color:NATL text:" Rita" from:17/09/2005 till:21/09/2005 color:NIO text:"Pyarr" from:17/09/2005 till:19/09/2005 color:EPAC/CPAC text:"Lidia" from:18/09/2005 till:26/09/2005 color:EPAC/CPAC text:"Max" from:19/09/2005 till:26/09/2005 color:WPAC text:"Saola" from:19/09/2005 till:28/09/2005 color:WPAC text:"Damrey" from:23/09/2005 till:01/10/2005 color:EPAC/CPAC text:"Norma" from:26/09/2005 till:03/10/2005 color:WPAC text:"

Longwang The Dragon King, also known as the Dragon God, is a Chinese water and weather god. He is regarded as the dispenser of rain, commanding over all bodies of water. He is the collective personification of the ancient concept of the '' lóng'' in ...

" from:28/09/2005 till:05/10/2005 color:EPAC/CPAC text:" Otis" from:30/09/2005 till:02/10/2005 color:NATL text:"Nineteen" from:01/10/2005 till:03/10/2005 color:NIO text:"03B" from:01/10/2005 till:05/10/2005 color:NATL text:" Stan" barset:break from:04/10/2005 till:05/10/2005 color:NATL text:" Unnamed" from:05/10/2005 till:06/10/2005 color:NATL text:" Tammy" from:06/10/2005 till:08/10/2005 color:WPAC text:"20W" from:07/10/2005 till:17/10/2005 color:WPAC text:"TD" from:08/10/2005 till:10/10/2005 color:NATL text:"Twenty-Two (Subtropical)" from:08/10/2005 till:11/10/2005 color:NATL text:"

Vince Vince is a given name, it is the anglicisation and shortened form of the name Vincent, as well as a surname. It may refer to: Given name People * Vince Agnew (born 1987), American football player * Vince Cable (born 1943), British politicia ...

" from:10/10/2005 till:12/10/2005 color:WPAC text:"TD" from:10/10/2005 till:19/10/2005 color:WPAC text:"Kirogi" from:12/10/2005 till:15/10/2005 color:SWIO text:"02" from:15/10/2005 till:20/10/2005 color:EPAC/CPAC text:"Sixteen-E" from:15/10/2005 till:25/10/2005 color:NATL text:" Wilma" from:22/10/2005 till:24/10/2005 color:NATL text:"

Alpha Alpha (uppercase , lowercase ) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived from the Phoenician letter ''aleph'' , whose name comes from the West Semitic word for ' ...

" from:26/10/2005 till:31/10/2005 color:NATL text:"

Beta Beta (, ; uppercase , lowercase , or cursive ; or ) is the second letter of the Greek alphabet. In the system of Greek numerals, it has a value of 2. In Ancient Greek, beta represented the voiced bilabial plosive . In Modern Greek, it represe ...

" from:26/10/2005 till:29/10/2005 color:NIO text:"BOB 04" from:29/10/2005 till:02/11/2005 color:WPAC text:"Kai-tak" from:05/11/2005 till:08/11/2005 color:AUSR text:"02R" from:06/11/2005 till:08/11/2005 color:SWIO text:"03" from:06/11/2005 till:08/11/2005 color:SWIO text:"04" from:07/11/2005 till:12/11/2005 color:WPAC text:"Tembin" from:14/11/2005 till:22/11/2005 color:NATL text:"

Gamma Gamma (; uppercase , lowercase ; ) is the third letter of the Greek alphabet. In the system of Greek numerals it has a value of 3. In Ancient Greek, the letter gamma represented a voiced velar stop . In Modern Greek, this letter normally repr ...

" from:16/11/2005 till:20/11/2005 color:WPAC text:"Bolaven" from:19/11/2005 till:24/11/2005 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 barset:skip barset:skip barset:skip barset:skip barset:skip barset:skip from:24/11/2005 till:03/12/2005 color:SWIO text:"Bertie-Alvin" from:20/11/2005 till:22/11/2005 color:NIO text:"BOB 05" from:22/11/2005 till:28/11/2005 color:NATL text:"

Delta Delta commonly refers to: * Delta (letter) (Δ or δ), the fourth letter of the Greek alphabet * D (NATO phonetic alphabet: "Delta"), the fourth letter in the Latin alphabet * River delta, at a river mouth * Delta Air Lines, a major US carrier ...

" from:28/11/2005 till:02/12/2005 color:NIO text:"Baaz" from:29/11/2005 till:08/12/2005 color:NATL text:"

Epsilon Epsilon (, ; uppercase , lowercase or ; ) is the fifth letter of the Greek alphabet, corresponding phonetically to a mid front unrounded vowel or . In the system of Greek numerals it also has the value five. It was derived from the Phoenic ...

" barset:break from:30/11/2005 till:02/12/2005 color:SPAC text:"01F" from:03/12/2005 till:06/12/2005 color:SPAC text:"02F" from:06/12/2005 till:10/12/2005 color:NIO text:"Fanoos" from:08/12/2005 till:16/12/2005 color:SPAC text:"03F" from:15/12/2005 till:22/12/2005 color:NIO text:"BOB 08" from:16/12/2005 till:22/12/2005 color:WPAC text:"Quedan" from:21/12/2005 till:23/12/2005 color:AUSR text:"04R" from:23/12/2005 till:30/12/2005 color:SWIO text:"06" from:30/12/2005 till:06/01/2006 color:NATL text:"

Zeta Zeta (, ; uppercase Ζ, lowercase ζ; , , classical or ''zē̂ta''; ''zíta'') is the sixth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 7. It was derived from the Phoenician alphabet, Phoenician letter zay ...

" bar:Month width:5 align:center fontsize:S shift:(0,-20) anchor:middle color:canvas from:30/12/2004 till:31/12/2004 text:Dec. '04 from:01/01/2005 till:31/01/2005 text:January from:01/02/2005 till:28/02/2005 text:February from:01/03/2005 till:31/03/2005 text:March from:01/04/2005 till:30/04/2005 text:April from:01/05/2005 till:31/05/2005 text:May from:01/06/2005 till:30/06/2005 text:June from:01/07/2005 till:31/07/2005 text:July from:01/08/2005 till:31/08/2005 text:August from:01/09/2005 till:30/09/2005 text:September from:01/10/2005 till:31/10/2005 text:October from:01/11/2005 till:30/11/2005 text:November from:01/12/2005 till:31/12/2005 text:December from:01/01/2006 till:08/01/2006 text:Jan. '06 TextData = pos:(690,30) text:"This table is based on the" pos:(810,30) text:"

North Atlantic Ocean

2005 Atlantic hurricane season summary map

The activity was the most active

Atlantic hurricane season The Atlantic hurricane season is the period in a year, from June 1 through November 30, when Tropical cyclone, tropical or subtropical cyclones are most likely to form in the North Atlantic Ocean. These dates, adopted by convention ...

in recorded history at the time, shattering numerous records, with 31

tropical The tropics are the regions of Earth surrounding the equator, where the sun may shine directly overhead. This contrasts with the temperate or polar regions of Earth, where the Sun can never be directly overhead. This is because of Earth's ax ...

subtropical cyclone A subtropical cyclone is a weather system that has some characteristics of both tropical cyclone, tropical and extratropical cyclones. As early as the 1950s, meteorologists were uncertain whether they should be characterized as Tropical cyclone ...

s recorded. The United States

National Hurricane Center The National Hurricane Center (NHC) is the division of the United States' NOAA/National Weather Service responsible for tracking and predicting tropical weather systems between the IERS Reference Meridian, Prime Meridian and the 140th meridian ...

named 27 storms, exhausting the annual pre-designated list and resulting in the usage of six

Greek letter The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC. It was derived from the earlier Phoenician alphabet, and is the earliest known alphabetic script to systematically write vowels as wel ...

names. A record 15 storms attained hurricane status, with

maximum sustained winds The maximum sustained wind associated with a tropical cyclone is a common indicator of the intensity of the storm. Within a mature tropical cyclone, it is found within the eyewall at a certain distance from the center, known as the radius of ma ...

of at least 74 mph (119

km/h The kilometre per hour ( SI symbol: km/h; non-SI abbreviations: kph, kmph, km/hr) is a unit of speed, expressing the number of kilometres travelled in one hour. History Although the metre was formally defined in 1799, the term "kilometres per h ...

); of those, a record seven became major hurricanes, which are a Category 3 or higher on the

Saffir–Simpson scale The Saffir–Simpson hurricane wind scale (SSHWS) is a tropical cyclone intensity scale that classifies hurricanes—which in the Western Hemisphere are tropical cyclones that exceed the intensities of tropical depressions and tropical sto ...

. The season's impact was widespread and catastrophic. Its storms caused an estimated 3,468 deaths and approximately $171.7 billion in damage. It was the costliest season on record at the time, until its record was surpassed 12 years later. It also produced the second-highest

(ACE) in the Atlantic basin, surpassed only by the 1933 season. The season officially began on June 1, 2005, and the first storm –

– developed on June 8.

Hurricane Dennis Hurricane Dennis was a deadly and destructive tropical cyclone that briefly held the record for the strongest Atlantic hurricane ever to form before August. Dennis was the fourth named storm of the record-breaking 2005 Atlantic hurricane sea ...

in July inflicted heavy damage to Cuba.

in October was part of a broader weather system that killed 1,668 people and caused $3.96 billion in damage to eastern Mexico and Central America, with

Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...

hit the hardest. The final storm –

– formed in late December and lasted until January 6, 2006.

Eastern Pacific Ocean

2005 Pacific hurricane season summary map

The activity continued the trend of generally below-average activity that began a decade prior. The season's first tropical cyclone, Adrian, developed on May 17 and reached its peak as a

Category 1 hurricane Category 1 can refer to: *Category 1 cable, an electrical standard for communications wiring * Category 1 tropical cyclone, on any of the Tropical cyclone scales * Category 1 pandemic, on the Pandemic Severity Index, an American influenza pandemic ...

. Named storms are infrequent in May, with one tropical storm every two years and a hurricane once every four years. At the time, Adrian was the fourth earliest tropical cyclone to form in the eastern Pacific since reliable record-keeping began in 1971. Activity throughout the remainder of the season was far less notable, with 16 tropical cyclones, 15 named storms, 7 hurricanes, and 2 major hurricanes. The long-term 1971–2004 average suggests an average season to feature 15 named storms, 9 hurricanes, and 4 major hurricanes. October, in particular, was notably quiet, with the formation of only one tropical depression; only three other seasons, 1989, 1995, and 1996, ended the month without the designation of a named storm.

Western Pacific Ocean

Although the season was quiet, some typhoons caused extensive damages in many places, especially in China where eight typhoons struck the country. First, Typhoon Haitang became the strongest storm in the basin this year and caused about $1.1 billion in damages in

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

and China in mid July. In August,

Typhoon Matsa Typhoon Matsa, known in the Philippines as Typhoon Gorio, was the second of eight Pacific tropical cyclones to make landfall on China during the 2005 Pacific typhoon season. The ninth tropical storm and fifth typhoon of the season, Matsa developed ...

made landfall in Eastern China and caused about $2.23 billion in damages. Later that same month, two powerful typhoons made landfall, causing extreme damage and some casualties. Similar to Haitang,

Typhoon Longwang Typhoon Longwang, known in the Philippines as Typhoon Maring, was the deadliest tropical cyclone to impact China during the 2005 Pacific typhoon season. Longwang was first identified as a tropical depression on September 25 north of the Mar ...

made landfall in Taiwan and China at a strong intensity causing damages. The season also marked the first time the

was more active than the Pacific typhoon season (the others being

2010 The year saw a multitude of natural and environmental disasters such as the 2010 Haiti earthquake, the Deepwater Horizon oil spill, and the 2010 Chile earthquake. The 2009 swine flu pandemic, swine flu pandemic which began the previous year ...

and

2020 The year 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of even ...

). However, the

2005 Atlantic hurricane season The 2005 Atlantic hurricane season was a record-breaking, devastating and deadly Atlantic hurricane season. It is the second-costliest hurricane season, just behind the 2017 season And 2024. It featured 28 tropical and subtropical storms, ...

featured record high activity while the Pacific typhoon season featured near average activity.

North Indian Ocean

There were a total of 12 depressions during the year, three less than normal, although the highest since 1992. The IMD named four cyclonic storms, a process they initiated in 2004, which was also below normal. No systems strengthened beyond cyclonic storm status. The season was the sixth in a row with below normal activity, based on the seasonal

. Storms generally develop when the

monsoon trough The monsoon trough is a convergence zone between the wind patterns of the southern and northern hemispheres. It is a portion of the Intertropical Convergence Zone in the Western Pacific,Bin WangThe Asian Monsoon.Retrieved 2008-05-03. and is dep ...

is located over tropical waters, with a peak from May to June and another peak in November. The monsoon developed 11 distinct

low-pressure area In meteorology, a low-pressure area (LPA), low area or low is a region where the atmospheric pressure is lower than that of surrounding locations. It is the opposite of a high-pressure area. Low-pressure areas are commonly associated with incle ...

s by the end of September, including five monsoon depressions, and the monsoon season was more active than usual.

Systems

January

January was above average featuring thirteen tropical cyclones, of which ten of them being named. The month started off with a tropical low which was short lived in the

Mozambique Channel The Mozambique Channel (, , ) is an arm of the Indian Ocean located between the Southeast African countries of Madagascar and Mozambique. The channel is about long and across at its narrowest point, and reaches a depth of about off the coa ...

. The month's first named storm Cyclone Sally formed on the 7th in the Australian basin, however it dissipated two days later. The South-West Indian Ocean basin also had two notable storms

Cyclone Ernest Intense Tropical Cyclone Ernest was one of two intense tropical cyclones in the 2004–05 South-West Indian Ocean cyclone season. The eighth tropical disturbance of the season, Ernest formed from a persistent area of thunderstorms in the central ...

and Tropical Storm Felapi which both impacted

Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...

. The North Indian Ocean had an early start with a depression and Cyclone Hibaru forming. The Northwest Pacific basin also had an early start with Tropical Storm Kulap forming near the

Caroline Islands The Caroline Islands (or the Carolines) are a widely scattered archipelago of tiny islands in the western Pacific Ocean, to the north of New Guinea. Politically, they are divided between the Federated States of Micronesia (FSM) in the cen ...

February

February was slightly below-average featuring nine tropical cyclones, of which seven were named. The Australian region featured

Cyclone Harvey Severe Tropical Cyclone Harvey was a tropical cyclone that struck Queensland and the Northern Territory of Australia during the 2004–05 Australian region cyclone season. It had a minimum pressure of 967 mbar (hPa; 28.56 inHg) and maximum win ...

and Tropical Low Vivienne. Harvey formed in the

Gulf of Carpentaria The Gulf of Carpentaria is a sea off the northern coast of Australia. It is enclosed on three sides by northern Australia and bounded on the north by the eastern Arafura Sea, which separates Australia and New Guinea. The northern boundary ...

before making landfall on

Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...

and the

Northern Territory The Northern Territory (abbreviated as NT; known formally as the Northern Territory of Australia and informally as the Territory) is an states and territories of Australia, Australian internal territory in the central and central-northern regi ...

while Vivienne caused minor oil and gas disruptions in the

Timor Sea The Timor Sea (, , or ) is a relatively shallow sea in the Indian Ocean bounded to the north by the island of Timor with Timor-Leste to the north, Indonesia to the northwest, Arafura Sea to the east, and to the south by Australia. The Sunda Tr ...

. The Southern Pacific basin featured seven cyclones of which three of them became Category 5 cyclones. Cyclones

, Nancy, and Percy all affected the

Cook Islands The Cook Islands is an island country in Polynesia, part of Oceania in the South Pacific Ocean. It consists of 15 islands whose total land area is approximately . The Cook Islands' Exclusive Economic Zone (EEZ) covers of ocean. Avarua is its ...

with Percy becoming the strongest storm of the month.

March

March was very inactive, featuring five tropical cyclones with all of them being named. The month started off with

Cyclone Ingrid Severe Tropical Cyclone Ingrid was a powerful tropical cyclone which struck northern Australia during the 2004–05 Australian region cyclone season. Its minimum pressure was 924 mbar (hPa). Meteorological history Originally a low-pressure ...

, which formed north of the

. Ingril was a erratic cyclone which effected much of Northern Australia as a Category 4 tropical storm. The storm made landfall on the town of

Nhulunbuy Nhulunbuy () is a town and locality in the far north of the Northern Territory of Australia. Founded on the Gove Peninsula in north-east Arnhem Land when a bauxite mine and deep water port were established in the late 1960s, the town's econ ...

as a Category 5 on the Australian scale. It then made a slow approach on

Kimberley Kimberly or Kimberley may refer to: Places and historical events Australia Queensland * Kimberley, Queensland, a coastal locality in the Shire of Douglas South Australia * County of Kimberley, a cadastral unit in South Australia Ta ...

before dissipating. While, Ingril was a Category 5 cyclone, another storm named Cyclone Willy formed northwest of

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

. Willy only caused minor oil distruption in the

but had no effect on land. The Western Pacific basin featured its second storm Tropical Storm Roke. Roke struck the

Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...

as a minimal typhoon killing 7 people. The South-West Indian Ocean featured two storms named

Hennie Hennie is a given name, often a short form (hypocorism) of Hendrik, Henry, Hendrick, Henrique, Henriette, Henrietta, Harriett, Harrietta, or Hendrickus. It may refer to: Men * Hennie Aucamp (1934–2014), South African Afrikaans poet, short ...

and Isang. Hennie caused minor damage on

Mauritius Mauritius, officially the Republic of Mauritius, is an island country in the Indian Ocean, about off the southeastern coast of East Africa, east of Madagascar. It includes the main island (also called Mauritius), as well as Rodrigues, Ag ...

, and

Réunion Réunion (; ; ; known as before 1848) is an island in the Indian Ocean that is an overseas departments and regions of France, overseas department and region of France. Part of the Mascarene Islands, it is located approximately east of the isl ...

before accelerating towards the southeastern Indian Ocean. Isang on the other hand took a similar route with Hennie but had no effect on land.

April

April was average featuring eight tropical cyclones, of which three were named. The month started off with Cyclone Adeline-Juliet which became the strongest storm of the month. The storm was first noted near the

Cocos Islands The Cocos (Keeling) Islands (), officially the Territory of Cocos (Keeling) Islands (; ), are an Australian external territory in the Indian Ocean, comprising a small archipelago approximately midway between Australia and Sri Lanka and rel ...

and was upgraded into Tropical Storm Adeline. It then entered the South-West Indian Ocean basin where the storm was renamed Juliet. It then intensified into an Intense Tropical Cyclone until the system weakened and became extratropical. Later ''11U'' formed over the Arafura Sea and made landfall on

Papua New Guinea Papua New Guinea, officially the Independent State of Papua New Guinea, is an island country in Oceania that comprises the eastern half of the island of New Guinea and offshore islands in Melanesia, a region of the southwestern Pacific Ocean n ...

. 11U was the last storm of the

2004–05 Australian region cyclone season The 2004–05 Australian region cyclone season was a slightly below average tropical cyclone season. It began on 1 November 2004 and ended on 30 April 2005. The regional tropical cyclone operational plan also defines a ''tropical cyclone year'' ...

. The second named storm was Cyclone Sheila which formed over

Fiji Fiji, 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 of an archipelago of more than 330 islands—of which about ...

. The storm then curved away from Fiji where the storm dissipated shortly after being named. The third named storm was Typhoon Sonca which formed in the Western Pacific. It then intensified into a Category 4 typhoon. Despite its strength, the typhoon stayed at sea and dissipated. The other unnamed storms were rather weak and short-lived as not much information is known.

May

May was a very inactive season featuring only three tropical cyclones with two of them being named. The month's first storm started in the Western Pacific with the formation of a tropical depression named ''Crising'' which was named by the

PAGASA The Philippine Atmospheric, Geophysical and Astronomical Services Administration (, abbreviated as PAGASA , which means "hope" as in the Tagalog language, Tagalog word ''pag-asa'') is the National Meteorological and Hydrological Services (NMHS ...

. Crising formed east of the Philippine island of

Mindanao Mindanao ( ) is the List of islands of the Philippines, second-largest island in the Philippines, after Luzon, and List of islands by population, seventh-most populous island in the world. Located in the southern region of the archipelago, the ...

however, the storm never organized into a tropical storm and did not receive an International name. It then dissipated east of the

. The Eastern Pacific featured its first storm of the year, Hurricane Adrian. ''Adrian'' formed very early shortly after the season started and took an unusually northeast route towards

El Salvador El Salvador, officially the Republic of El Salvador, is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south by the Pacific Ocean. El Salvador's capital and largest city is S ...

making it the closest hurricane ever to approach the country. It then made landfall on

Honduras Honduras, officially the Republic of Honduras, is a country in Central America. It is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Ocean at the Gulf of Fonseca, ...

before dissipating. The last storm of the month was Nesat which formed near

Guam Guam ( ; ) is an island that is an Territories of the United States, organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, Guam, Hagåtña, and the most ...

. ''Nesat'' then intensified into a Category 4 typhoon before passing south of

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

before becoming extratropical southeast of Japan.

June

June was an inactive month featuring only six tropical storms with four of them being named. The Eastern Pacific featured Tropical Storm Calvin which formed south of

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

. However, the storm weren't much of a threat to the country. The Atlantic featured Tropical Storm Arlene and

Tropical Storm Bret The name Bret has been used for eight tropical cyclones in the Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth ...

. ''Arlene'', which became the first storm of the

and the strongest storm of the month, formed very early north of

. It traveled north in the

Gulf of Mexico The Gulf of Mexico () is an oceanic basin and a marginal sea of the Atlantic Ocean, mostly surrounded by the North American continent. It is bounded on the northeast, north, and northwest by the Gulf Coast of the United States; on the southw ...

then made landfall near the

Alabama Alabama ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South, Deep Southern regions of the United States. It borders Tennessee to the north, Georgia (U.S. state), Georgia to the east, Florida and the Gu ...

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

border. ''Bret'' was a short lived storm that made landfall

Veracruz Veracruz, formally Veracruz de Ignacio de la Llave, officially the Free and Sovereign State of Veracruz de Ignacio de la Llave, is one of the 31 states which, along with Mexico City, comprise the 32 Political divisions of Mexico, Federal Entit ...

in Mexico causing minor damage. The North Indian Ocean featured two depressions with one depression forming over

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

causing minor flooding.

July

July was average featuring fourteen tropical cyclones, with twelve of them being named. The East Pacific featured two tropical storms named Dora and

Eugene Eugene may refer to: People and fictional characters * Eugene (given name), including a list of people and fictional characters with the given name * Gene Eugene, stage name of Canadian born actor, record producer, engineer, composer and musi ...

. The two storms made a close approach to the Mexican coastline however, the damage was minimal. The Western Pacific saw the formation of Typhoons Haitang, Matsa and Tropical Storms Nalgae,

Banyan A banyan, also spelled banian ( ), is a fig that develops accessory trunks from adjacent prop roots, allowing the tree to spread outwards indefinitely. This distinguishes banyans from other trees with a strangler habit that begin life as ...

, and

Washi is traditional Japanese paper processed by hand using fibers from the inner bark of the gampi tree, the mitsumata shrub (''Edgeworthia chrysantha''), or the paper mulberry (''kōzo'') bush. ''Washi'' is generally tougher than ordinary ...

and Emong. Typhoon Haitang, which became the strongest storm of the month made landfall on

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

and

along with Typhoon Matsa which made landfall near

Shanghai Shanghai, Shanghainese: , Standard Chinese pronunciation: is a direct-administered municipality and the most populous urban area in China. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the ...

. ''Washi'' made landfall in

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

while Banyan made a close approach to

but missed the country and became extratropical east of Japan. The Atlantic featured three hurricanes and two tropical storms. Some notable storms include

and Hurricane Emily. ''Dennis'' was an early-forming Category 4 hurricane that traveled across the

Caribbean The Caribbean ( , ; ; ; ) is a region in the middle of the Americas centered around the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean, mostly overlapping with the West Indies. Bordered by North America to the north, Central America ...

and eventually striking

inflicting severe damage and killing at least 70 people. Dennis was then followed by ''Emily'' which also formed near

Windward Islands The Windward Islands are the southern, generally larger islands of the Lesser Antilles of the Caribbean islands or the West Indies. Located approximately between latitudes 10° and 16° N and longitudes 60° and 62° W, they extend from D ...

. It then became the earliest-forming hurricane with a Category 5 strength. It was also the costliest Category 5 hurricane to not have its name retired. The North Indian Ocean featured the only non-named storm of the month classified as BOB 02 which was short lived.

August

August was average, featuring eighteen tropical cyclones with fourteen of them being named. The Eastern Pacific featured Hurricanes

Fernanda Fernanda is a Portuguese language, Portuguese, Spanish language, Spanish and Italian language, Italian feminine equivalent of Fernando, a male given name of Germanic peoples, Germanic origin, with an original meaning of "adventurous, bold journey ...

, and Hilary, Tropical Storms

Greg Greg is a masculine given name, and often a shortened form of the given name Gregory. Greg (sometimes spelled " Gregg") is also a surname. People with the name *Greg Abbott (disambiguation), multiple people *Greg Abel (born 1961/1962), Canadian b ...

, and

Irwin Irwin may refer to: Places ;United States * Irwin, California * Irwin, Idaho * Irwin, Illinois * Irwin, Iowa * Irwin, Nebraska * Irwin, Ohio * Irwin, Pennsylvania * Irwin, South Carolina * Irwin County, Georgia * Irwin Township, Venango Co ...

along with one depression classified as One-C. The five storms all stayed away from any landmass however, One-C's remnants dropped moderate rain on

Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...

causing minor damage. The Western Pacific featured three typhoons named Mawar, Talim, and

and Severe Tropical Storms Sanvu and Ghuchol. ''Sanvu'' and ''Talim'' struck

while ''Mawar'' and ''Nabi'' affected

. The Atlantic featured Tropical Storms Harvey,

Jose Jose is the English transliteration of the Hebrew and Aramaic name ''Yose'', which is etymologically linked to ''Yosef'' or Joseph. Given name Mishnaic and Talmudic periods * Jose ben Abin * Jose ben Akabya *Jose the Galilean * Jose ben Halafta ...

, and

Lee Lee may refer to: Arts and entertainment * ''Lee'' (2007 film), Tamil-language sports action film * ''Lee'' (2017 film), Kannada-language action film * ''Lee'' (2023 film), biographical drama about Lee Miller, American photojournalist * ''L ...

and Hurricanes

and Katrina. ''Jose'' was short lived but struck Central Mexico causing minor damage.

on the other hand struck

and intensified into the season's second Category 5 hurricane. Katrina then struck

causing a large

storm surge A storm surge, storm flood, tidal surge, or storm tide is a coastal flood or tsunami-like phenomenon of rising water commonly associated with low-pressure weather systems, such as cyclones. It is measured as the rise in water level above the ...

leaving the city completely flooded. The hurricane killed at least 1,800 people and inflicted $125 billion dollars worth of damage making it at the time the costliest tropical storm on record until it tied with

in 2017.

September

September was very active featuring 22 tropical storms with 17 of them being named. The Eastern Pacific featured Hurricanes Jova,

Max Max or MAX may refer to: Animals * Max (American dog) (1983–2013), at one time purported to be the world's oldest living dog * Max (British dog), the first pet dog to win the PDSA Order of Merit (animal equivalent of the OBE) * Max (gorilla) ...

, and Otis and Tropical storms Lidia and

Norma Norma may refer to: * Norma (given name), a given name (including a list of people with the name) ** Norma Lizbeth Ramos, a Mexican bullying victim Astronomy *Norma (constellation) * 555 Norma, a minor asteroid * Cygnus Arm or Norma Arm, a spiral ...

. Otis became a Category 2 hurricane and threatened the Baja California Peninsula, however, it dissipated before it could reach the peninsula. The other storms on the other hand stayed at sea. The Western Pacific featured some deadly storms mostly being Typhoons Khanun,

Damrey The name Damrey ( Khmer: ដំរី, �ɑm.ˈrəj has been used for five tropical cyclones in the Western Pacific basin. The name, submitted by Cambodia, means "elephant" in the Khmer language. * Typhoon Damrey (2000) (T0001, 01W, Asiang) – a ...

, Vicente, and

. ''Khanun'', ''Damrey'', and ''Longwang'' all struck

killing more than 350 people. ''Vincente'' on the other hand looped in The

South China Sea The South China Sea is a marginal sea of the Western Pacific Ocean. It is bounded in the north by South China, in the west by the Indochinese Peninsula, in the east by the islands of Taiwan island, Taiwan and northwestern Philippines (mainly Luz ...

before striking

killing at least 22 people. The Atlantic season continued with the formation of Hurricanes

Philippe Philippe is a masculine given name, cognate to Philip, and sometimes also a surname. The name may refer to: * Philippe of Belgium (born 1960), King of the Belgians (2013–present) * Philippe (footballer) (born 2000), Brazilian footballer * Prince ...

, and Rita, and a short lived depression. ''Maria'', affected parts of

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

causing 3 deaths. ''Nate'' stayed at sea however it disturbed some Canadian Navy ships heading to the U.S to help in the aftermath of Hurricane Katrina along with ''Ophelia'' which affected much of the

Eastern United States The Eastern United States, often abbreviated as simply the East, is a macroregion of the United States located to the east of the Mississippi River. It includes 17–26 states and Washington, D.C., the national capital. As of 2011, the Eastern ...

as well as parts of

Atlantic Canada Atlantic Canada, also called the Atlantic provinces (), is the list of regions of Canada, region of Eastern Canada comprising four provinces: New Brunswick, Newfoundland and Labrador, Nova Scotia, and Prince Edward Island. As of 2021, the landma ...

Hurricane Rita Hurricane Rita was the most intense tropical cyclone on record in the Gulf of Mexico, tying with Hurricane Milton in 2024 Atlantic hurricane season, 2024, as well as being the fourth-most intense Atlantic hurricane ever recorded. Part of the ...

on the other hand became the third Category 5 hurricane in the basin and became the most intense Atlantic Hurricane in the

by pressure. Rita then made landfall near the

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

Louisiana Louisiana ( ; ; ) is a state in the Deep South and South Central regions of the United States. It borders Texas to the west, Arkansas to the north, and Mississippi to the east. Of the 50 U.S. states, it ranks 31st in area and 25 ...

border which was already devastated by

. Rita was the strongest storm in 2005 until it was then beaten by

the next month. In the North Indian Ocean, three short lived depressions as well as Cyclone Pyarr formed. ''Pyarr'', being the only named stormed of the month affected

and

Bangladesh Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the List of countries and dependencies by population, eighth-most populous country in the world and among the List of countries and dependencies by ...

which resulted in severe damage and severe loss of life.

October

October was above average featuring sixteen storms with eight of them being named. In the East Pacific a short lived depression formed. The storm officially ended the 2005 Pacific hurricane season. In the West Pacific, Typhoons Kirogi and Kai-tak along with three depressions formed. Kirogi approached Japan but drifted away from the mainland. Kai-tak on the other hand paralleled the Vietnamese coast as a tropical storm before dissipating. In the Atlantic, the active season continued on with the formation of Tropical Storms Tammy and

and, Hurricanes Stan,

, Wilma,

and along with two depressions and an unnamed subtropical storm. Stan affected much of Central America and Mexico killing more than 1,600 people. Vince formed out of the unnamed subtropical storm which then intensified into a minimal Category 1 hurricane becoming the most eastern hurricane until the record was broken by Hurricane Pablo in

2019 This was the year in which the first known human case of COVID-19 was documented, preceding COVID-19 pandemic, the pandemic which was declared by the World Health Organization the following year. Up to that point, 2019 had been described as ...

. Hurricane Wilma on the other hand intensified into a Category 5 hurricane within a day with its pressure dropping from 982hPa to 882hPa within a 30-hour period. Wilma became the most intense Atlantic hurricane ever recorded, based on pressure. In the North Indian Ocean, 03B and BOB 04 formed but were short lived.

November

November was average featuring ten storms with seven storms being named. In the Southern Hemisphere, 02R and 01F formed but were short lived. Another notable storm was Cyclone Bertie-Alvin which was given two names. Bertie-Alvin wandered across the Southern Indian Ocean before dissipating. In the West Pacific, Tembin and Bolaven formed with the storms affecting the

. In the North Indian Ocean, BOB 05 and Cyclone Baaz. In the Atlantic, Tropical storms

and Hurricane Epsilon formed. Gamma affected Central America while Epsilon stayed out to sea. Delta, on the other hand, stuck the

Canary Islands The Canary Islands (; ) or Canaries are an archipelago in the Atlantic Ocean and the southernmost Autonomous communities of Spain, Autonomous Community of Spain. They are located in the northwest of Africa, with the closest point to the cont ...

which destroyed an iconic sea stack. Delta's remnants then made landfall of Morocco and Algeria.

December

December was inactive featuring six storms with two of them being named. In the Southern Hemisphere, 02F and 04R formed but were short lived. In the West Pacific, a short lived depression that was named ''Quedan'' by the PAGASA traveled across the

and dissipated south of

. In the North Indian Ocean, Cyclonic Storm Fanoos and BOB 08 formed with Fannos making landfall in Southern India. BOB 08 on the other hand stayed in the Bay of Bengal. In the Atlantic,

formed very late in the season and became the 28th storm of the year. Zeta continued into January 2006 which made it the second Atlantic tropical cyclones to span two calendar years (the other being Hurricane Alice in 1954–55).

Global effects

Notes

¹ Only systems that formed either on or after January 1, 2005 are counted in the seasonal totals.
² Only systems that formed either before or on December 31, 2005 are counted in the seasonal totals.
³ The wind speeds for this tropical cyclone/basin are based on the

IMD Scale Tropical cyclones are ranked on one of five tropical cyclone intensity scales, according to their maximum sustained winds and which tropical cyclone basins they are located in. Only a few classifications are used officially by the meteorologica ...

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.
⁵The wind speeds for this tropical cyclone are based on

Météo-France Météo-France is the official French meteorological administration, also offering services to Andorra and Monaco. It has the powers of the state and can exercise them in relation to meteorology. Météo-France is in charge of observing, study ...

which uses gust winds.

References

Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean. Geographically it is positioned between the Indian subcontinent and the Mainland Southeast Asia, Indochinese peninsula, located below the Bengal region. Many South Asian and Southe ...

and the

Arabian Sea The Arabian Sea () is a region of sea in the northern Indian Ocean, bounded on the west by the Arabian Peninsula, Gulf of Aden and Guardafui Channel, on the northwest by Gulf of Oman and Iran, on the north by Pakistan, on the east by India, and ...

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 2005 * Tropical cyclones by year

Global atmospheric and hydrological conditions

Summary

North Atlantic Ocean

Eastern Pacific Ocean

Western Pacific Ocean

North Indian Ocean

Systems

January

February

March

April

May

June

July

August

September

October

November

December

Global effects

See also

Notes

References

External links