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During 2004, 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 132 systems formed with 82 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
Cyclone Gafilo Very Intense Tropical Cyclone Gafilo was both the most intense tropical cyclone ever recorded in the South-West Indian Ocean and the most intense tropical cyclone worldwide in 2004. Being unusually large and intense, Gafilo was the deadliest an ...
, 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 . The most active basin in the year was the Western Pacific, which documented 29 named systems, while 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 ...
15 named systems formed. Conversely, both the Eastern Pacific hurricane and North Indian Ocean cyclone seasons experienced a below average number of named systems, numbering 12 and 4, respectively. 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 spread evenly, with each region recording seven named storms apiece. Throughout the year, 28 Category 3 tropical cyclones formed, including seven Category 5 tropical cyclones formed 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 2004 (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 1024.4 units. The costliest tropical cyclone was
Hurricane Ivan Hurricane Ivan was a large, long-lived, and devastating tropical cyclone that caused widespread damage in the Caribbean and United States. The ninth named storm, the sixth hurricane, and the fourth major hurricane of the active 2004 Atlantic h ...
, which struck Caribbean and United States in September causing a
tornado outbreak A tornado outbreak is the occurrence of multiple tornadoes spawned by the same Synoptic scale meteorology, synoptic scale weather system. The number of tornadoes required to qualify as an outbreak typically are at least six to ten, with at least ...
, with US$26.1 billion in damage. The deadliest tropical cyclone of the year was
Hurricane Jeanne Hurricane Jeanne was the deadliest tropical cyclone in the Atlantic basin since Mitch in 1998, and the deadliest tropical cyclone worldwide in 2004. It was the tenth named storm, the seventh hurricane, and the fifth major hurricane of the se ...
who killed for at least 3,006 deaths in
Haiti Haiti, officially the Republic of Haiti, is a country on the island of Hispaniola in the Caribbean Sea, east of Cuba and Jamaica, and south of the Bahamas. It occupies the western three-eighths of the island, which it shares with the Dominican ...
.


Global atmospheric and hydrological conditions

Due to a Modoki
El Niño EL, El or el may refer to: Arts and entertainment Fictional entities * El, a character from the manga series ''Shugo Chara!'' by Peach-Pit * Eleven (''Stranger Things'') (El), a fictional character in the TV series ''Stranger Things'' * El, fami ...
– a rare type of El Niño in which unfavorable conditions are produced over 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 the definition, to Antarctica in the south, and is bounded by the conti ...
instead of the Atlantic basin due to warmer
sea surface temperatures Sea surface temperature (or ocean surface temperature) is the ocean temperature, temperature of ocean water close to the surface. The exact meaning of ''surface'' varies in the literature and in practice. It is usually between and below the sea ...
farther west along the equatorial Pacific – activity was above average in North Atlantic Ocean.


Summary

ImageSize = width:1600 height:400 PlotArea = top:10 bottom:80 right:20 left:20 Legend = columns:3 left:20 top:58 columnwidth:270 AlignBars = early DateFormat = dd/mm/yyyy Period = from:25/12/2003 till:17/01/2005 TimeAxis = orientation:horizontal ScaleMinor = grid:black unit:month increment:1 start:01/01/2004 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:25/12/2003 till:08/01/2004 color:SPAC text:"
Heta Heta is a conventional name for the historical Greek alphabet letter Eta (Η) and several of its variants, when used in their original function of denoting the consonant . Overview The letter Η had been adopted by Greek from the Phoenician let ...
" from:27/12/2003 till:04/01/2004 color:SWIO text:"Darius" from:01/01/2004 till:06/01/2004 color:AUSR text:"Ken" from:10/01/2004 till:17/01/2004 color:AUSR text:"Monsoon Depression" from:22/01/2004 till:24/01/2004 color:SWIO text:"05R" from:24/01/2004 till:04/02/2004 color:SWIO text:" Elita" from:26/01/2004 till:06/02/2004 color:SWIO text:"Frank" from:28/01/2004 till:28/01/2004 color:SWIO text:"08R" from:28/01/2004 till:01/02/2004 color:AUSR text:"Linda" from:10/02/2004 till:15/02/2004 color:AUSR text:"Fritz" from:11/02/2004 till:16/02/2004 color:WPAC text:"Ambo" from:21/02/2004 till:02/03/2004 color:SPAC text:"
Ivy ''Hedera'', commonly called ivy (plural ivies), is a genus of 12–15 species of evergreen climbing or ground-creeping woody plants in the family Araliaceae, native to Western Europe, Central Europe, Southern Europe, Macaronesia, northwestern ...
" from:25/02/2004 till:03/03/2004 color:AUSR text:"
Monty Monty is a masculine given name, often a short form of Montgomery (name), Montgomery, Montague (given name), Montague and other similar names. It is also a surname. Notable people with the name or nickname include: Nickname *Bernard Montgomery ...
" from:27/02/2004 till:04/03/2004 color:AUSR text:"Evan" from:01/03/2004 till:15/03/2004 color:SWIO text:" Gafilo" from:02/03/2004 till:05/03/2004 color:AUSR text:"Subtropical Storm" from:08/03/2004 till:10/03/2004 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 from:10/03/2004 till:16/03/2004 color:SWIO text:"Nicky-Helma" from:12/03/2004 till:28/03/2004 color:AUSR text:" Fay" from:15/03/2004 till:28/03/2004 color:SWIO text:"11R" from:18/03/2004 till:24/03/2004 color:WPAC text:"Butchoy" from:20/03/2004 till:23/03/2004 color:AUSR text:"Grace" barset:break from:20/03/2004 till:22/03/2004 color:SPAC text:"06F" from:21/03/2004 till:27/03/2004 color:AUSR barset:break barset:skip from:27/03/2004 till:29/03/2004 color:SWIO text:"Oscar-Itseng" from:24/03/2004 till:28/03/2004 color:SATL text:"
Catarina __NOTOC__ Catarina may refer to: People * Catarina (given name) Places * Catarina, Masaya in Nicaragua * Catarina, San Marcos in Guatemala * Catarina, Texas in the United States * Santa Catarina Barahona in Guatemala * Santa Catarina Ixtahuaca ...
" from:28/03/2004 till:01/04/2004 color:SPAC text:"08F" from:31/03/2004 till:01/04/2004 color:SWIO text:"13R" from:01/04/2004 till:03/04/2004 color:SPAC text:"09F" from:04/04/2004 till:15/04/2004 color:WPAC text:" Sudal" from:04/04/2004 till:09/04/2004 color:SPAC text:"10F" from:07/04/2004 till:07/04/2004 color:SPAC text:"11F" from:07/04/2004 till:13/04/2004 color:SPAC text:"12F" from:12/04/2004 till:13/04/2004 color:SPAC text:"13F" from:18/04/2004 till:19/04/2004 color:SPAC text:"14F" from:21/04/2004 till:24/04/2004 color:SPAC text:"15F" from:26/04/2004 till:27/04/2004 color:SWIO text:"14R" from:05/05/2004 till:10/05/2004 color:NIO text:"ARB 01" from:05/05/2004 till:17/05/2004 color:SWIO text:"Juba" from:13/05/2004 till:21/05/2004 color:WPAC text:" Nida" from:14/05/2004 till:20/05/2004 color:WPAC text:"05W" from:16/05/2004 till:19/05/2004 color:NIO text:" BOB 01" from:16/05/2004 till:22/05/2004 color:WPAC text:"Omais" from:19/05/2004 till:24/05/2004 color:SWIO text:"16R" barset:break from:22/05/2004 till:24/05/2004 color:EPAC/CPAC text:"Agatha" from:04/06/2004 till:11/06/2004 color:WPAC text:" Conson" from:05/06/2004 till:15/06/2004 color:WPAC text:" Chanthu" from:10/06/2004 till:13/06/2004 color:NIO text:"ARB 02" from:11/06/2004 till:14/06/2004 color:NIO text:"BOB 02" from:11/06/2004 till:21/06/2004 color:WPAC text:"
Dianmu Dianmu (), also known as Leizi, is the Chinese goddess of lightning, who is said to have used flashing mirrors to send bolts of lightning across the sky. She is married to Leigong, the god of thunder. She is one of the gods who work together to ...
" from:21/06/2004 till:04/07/2004 color:WPAC text:"Mindulle" from:24/06/2004 till:04/07/2004 color:WPAC text:" Tingting" from:02/07/2004 till:04/07/2004 color:EPAC/CPAC text:"Two-E" from:05/07/2004 till:06/07/2004 color:EPAC/CPAC text:"One-C" from:11/07/2004 till:15/07/2004 color:EPAC/CPAC text:"Blas" from:12/07/2004 till:16/07/2004 color:WPAC text:"Kompasu" from:19/07/2004 till:25/07/2004 color:EPAC/CPAC text:"Celia" from:24/07/2004 till:03/08/2004 color:WPAC text:"Namtheun" from:26/07/2004 till:01/08/2004 color:EPAC/CPAC text:" Darby" from:27/07/2004 till:27/07/2004 color:WPAC text:"TD" from:31/07/2004 till:06/08/2004 color:NATL text:"
Alex Alex is a given name. Similar names are Alexander, Alexandra, Alexey or Alexis. People Multiple * Alex Brown (disambiguation), multiple people * Alex Cook (disambiguation), multiple people * Alex Forsyth (disambiguation), multiple people * Al ...
" from:01/08/2004 till:02/08/2004 color:EPAC/CPAC text:"Six-E" from:03/08/2004 till:13/08/2004 color:NATL text:"
Bonnie Bonnie is a Scottish given name and is sometimes used as a descriptive reference, as in the Scottish folk song, My Bonnie Lies over the Ocean or Bonnie Dundee about John Graham, 7th Laird of Claverhouse. It comes from the Scots language word "bon ...
" from:02/08/2004 till:06/08/2004 color:WPAC text:"Malou" from:02/08/2004 till:09/08/2004 color:WPAC text:" Meranti" barset:break from:06/08/2004 till:15/08/2004 color:WPAC text:" Rananim" from:06/08/2004 till:07/08/2004 color:WPAC text:"TD" from:08/08/2004 till:08/08/2004 color:WPAC text:"TD" from:09/08/2004 till:13/08/2004 color:WPAC text:"Malakas" from:09/08/2004 till:14/08/2004 color:NATL text:" Charley" from:13/08/2004 till:21/08/2004 color:NATL text:"
Danielle Danielle is a modern French female variant of the male name Daniel, meaning "The God(dess)" in the French language. The name "Daniel" originates from the Hebrew Bible and is associated with the prophet Daniel. In Hebrew, the name is composed of ...
" from:13/08/2004 till:15/08/2004 color:NATL text:"
Earl Earl () is a rank of the nobility in the United Kingdom. In modern Britain, an earl is a member of the Peerages in the United Kingdom, peerage, ranking below a marquess and above a viscount. A feminine form of ''earl'' never developed; instead, ...
" from:14/08/2004 till:20/08/2004 color:WPAC text:"Megi" from:17/08/2004 till:31/08/2004 color:WPAC text:" Chaba" from:18/08/2004 till:31/08/2004 color:WPAC text:" Aere" from:19/08/2004 till:24/08/2004 color:EPAC/CPAC text:"Estelle" from:23/08/2004 till:26/08/2004 color:EPAC/CPAC text:"Frank" from:23/08/2004 till:26/08/2004 color:EPAC/CPAC text:"Nine-E" from:24/08/2004 till:07/09/2004 color:NATL text:"
Frances Frances is an English given name or last name of Latin origin. In Latin the meaning of the name Frances is 'from France' or 'the French.' The male version of the name in English is Francis (given name), Francis. The original Franciscus, meaning "F ...
" from:25/08/2004 till:31/08/2004 color:WPAC text:"21W" from:26/08/2004 till:30/08/2004 color:EPAC/CPAC text:"Georgette" from:26/08/2004 till:08/09/2004 color:WPAC text:" Songda" from:27/08/2004 till:01/09/2004 color:NATL text:"
Gaston Gaston is a masculine given name of French origin and a surname. The name "Gaston" may refer to: People First name *Gaston I, Count of Foix (1287–1315) * Gaston II, Count of Foix (1308–1343) *Gaston III, Count of Foix (1331–1391) *Gaston ...
" from:27/08/2004 till:31/08/2004 color:NATL text:"Hermine" from:30/08/2004 till:05/09/2004 color:EPAC/CPAC text:"
Howard Howard is a masculine given name derived from the English surname Howard. ''The Oxford Dictionary of English Christian Names'' notes that "the use of this surname as a christian name is quite recent and there seems to be no particular reason for ...
" from:30/08/2004 till:01/09/2004 color:SWIO 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 from:01/09/2004 till:05/09/2004 color:AUSR text:"Phoebe" barset:break from:02/09/2004 till:18/09/2004 color:NATL barset:break from:22/09/2004 till:24/09/2004 color:NATL text:"
Ivan Ivan () is a Slavic male given name, connected with the variant of the Greek name (English: John) from Hebrew meaning 'God is gracious'. It is associated worldwide with Slavic countries. The earliest person known to bear the name was the B ...
" from:03/09/2004 till:09/09/2004 color:WPAC text:"Sarika" from:07/09/2004 till:09/09/2004 color:NATL text:"Ten" from:08/09/2004 till:11/09/2004 color:WPAC text:"TD" from:08/09/2004 till:16/09/2004 color:EPAC/CPAC text:"Isis" from:10/09/2004 till:19/09/2004 color:EPAC/CPAC text:" Javier" from:10/09/2004 till:13/09/2004 color:WPAC text:"Haima" from:12/09/2004 till:12/09/2004 color:WPAC text:"TD" from:12/09/2004 till:15/09/2004 color:NIO text:"BOB 03" from:13/09/2004 till:28/09/2004 color:NATL text:" Jeanne" from:15/09/2004 till:20/09/2004 color:WPAC text:"Pablo" from:15/09/2004 till:16/09/2004 color:WPAC text:"TD" from:16/09/2004 till:24/09/2004 color:NATL text:"
Karl Karl may refer to: People * Karl (given name), including a list of people and characters with the name * Karl der Große, commonly known in English as Charlemagne * Karl of Austria, last Austrian Emperor * Karl (footballer) (born 1993), Karl Cac ...
" from:19/09/2004 till:03/10/2004 color:NATL text:"Lisa" from:19/09/2004 till:29/09/2004 color:WPAC text:"Meari" from:20/09/2004 till:20/09/2004 color:WPAC text:"TD" from:30/09/2004 till:10/10/2004 color:NIO text:"
Onil ''For people with the given name, see Onil (given name).'' Onil (; ) is a town and municipality located in the comarca of L'Alcoià, in the province of Alicante, Valencian Community, Spain. It has an area of 48.41 km2 and, according to th ...
" from:02/10/2004 till:08/10/2004 color:NIO text:"BOB 04/05" from:03/10/2004 till:10/10/2004 color:WPAC text:"Ma-on" from:04/10/2004 till:06/10/2004 color:EPAC/CPAC text:"Kay" from:08/10/2004 till:10/10/2004 color:NATL text:"
Matthew Matthew may refer to: * Matthew (given name) * Matthew (surname) * ''Matthew'' (album), a 2000 album by rapper Kool Keith * Matthew (elm cultivar), a cultivar of the Chinese Elm ''Ulmus parvifolia'' Christianity * Matthew the Apostle, one of ...
" barset:break from:09/10/2004 till:13/10/2004 color:WPAC text:"TD" from:10/10/2004 till:11/10/2004 color:NATL text:"
Nicole Nicole may refer to: People * Nicole (name) * Nicole (American singer) (born 1958), a contestant in season 3 of the American ''The X Factor'' * Nicole (Chilean singer) (born 1977) * Nicole (German singer) (born 1964), winner of the 1982 Euro ...
" from:10/10/2004 till:20/10/2004 color:WPAC text:"
Tokage The name Tokage has been used to name four tropical cyclones in the northwestern Pacific Ocean. The name was contributed by Japan and is the Japanese word for Lacerta or lizard Lizard is the common name used for all Squamata, squamate reptile ...
" from:11/10/2004 till:13/10/2004 color:EPAC/CPAC text:"
Lester Lester is an ancient Anglo-Saxon surname and given name. People Given name * Lester Bangs (1948–1982), American music critic * Lester Oliver Bankhead (1912–1997), American architect * Lester W. Bentley (1908–1972), American artist from ...
" from:14/10/2004 till:26/10/2004 color:WPAC text:"Nock-ten" from:25/10/2004 till:29/10/2004 color:SWIO text:"02" from:25/10/2004 till:26/10/2004 color:EPAC/CPAC text:" Sixteen-E" from:28/10/2004 till:30/10/2004 color:SPAC text:"01F" from:02/11/2004 till:07/11/2004 color:NIO text:"ARB 04" from:06/11/2004 till:18/11/2004 color:SWIO text:"Arola" from:13/11/2004 till:25/11/2004 color:WPAC text:" Muifa" from:16/11/2004 till:18/11/2004 color:WPAC text:"TD" from:19/11/2004 till:05/12/2004 color:SWIO text:"Bento" from:21/11/2004 till:23/11/2004 color:WPAC text:"Merbok" from:27/11/2004 till:30/11/2004 color:WPAC text:" Winnie" from:29/11/2004 till:04/12/2004 color:WPAC text:" Nanmadol" from:29/11/2004 till:02/12/2004 color:NIO text:"
Agni Agni ( ) is the Deva (Hinduism), Hindu god of fire. As the Guardians of the directions#Aṣṭa-Dikpāla ("Guardians of Eight Directions"), guardian deity of the southeast direction, he is typically found in southeast corners of Hindu temples. ...
" from:29/11/2004 till:03/12/2004 color:NATL text:"Otto" from:03/12/2004 till:05/12/2004 color:AUSR text:"05S" from:03/12/2004 till:14/12/2004 color:SPAC text:"02F" from:05/12/2004 till:10/12/2004 color:SPAC text:"03F" barset:break from:11/12/2004 till:20/12/2004 color:WPAC text:"Talas" from:11/12/2004 till:11/12/2004 color:SWIO text:"05" from:17/12/2004 till:21/12/2004 color:WPAC text:"Noru" from:21/12/2004 till:27/12/2004 color:SPAC text:"Judy" from:22/12/2004 till:25/12/2004 color:SWIO text:"Chambo" from:30/12/2004 till:10/01/2005 color:AUSR text:"Raymond" bar:Month width:5 align:center fontsize:S shift:(0,-20) anchor:middle color:canvas from:25/12/2003 till:01/01/2004 text:Dec. '03 from:01/01/2004 till:01/02/2004 text:January from:01/02/2004 till:28/02/2004 text:February from:01/03/2004 till:01/04/2004 text:March from:01/04/2004 till:01/05/2004 text:April from:01/05/2004 till:01/06/2004 text:May from:01/06/2004 till:01/07/2004 text:June from:01/07/2004 till:01/08/2004 text:July from:01/08/2004 till:01/09/2004 text:August from:01/09/2004 till:01/10/2004 text:September from:01/10/2004 till:01/11/2004 text:October from:01/11/2004 till:01/12/2004 text:November from:01/12/2004 till:31/12/2004 text:December from:01/01/2005 till:17/01/2005 text:Jan. '05 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 North Pacific Ocean, the Southwest Pacific, the Southwest and Southeast Indian Oceans, ...
"


North Atlantic Ocean

It was an above average season in which 16 tropical cyclones formed. All but one tropical depression attained tropical storm status, and nine of these became hurricanes. Six hurricanes further intensified into major hurricanes.


Systems

A total of 138 systems formed globally in the year with 60 of them causing significant damage, deaths, and/or setting records for their basin.


January

7 storms formed on January, in the Australian and Southwestern Indian basin, respectively. Cyclone Frank was the strongest.


February

5 systems formed on February. 3 on Australian region, 1 on South Pacific basin, and 1 on the Western Pacific. Tropical Cyclone Ivy is the strongest.


March

Average storms forming 12 storms. Strongest storm is Cyclone Gafilo with 895
hpa The pascal (symbol: Pa) is the unit of pressure in the International System of Units (SI). It is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Blaise Pascal, is an S ...
, Hurricane Catarina was the record breaking and the only hurricane in the South Atlantic.


April

Below average forming 9 systems. Only Typhoon Sudal (2004) became a storm, mostly being a depression.


May

8 systems formed on May. Typhoon Nida is the strongest.


June

7 storms formed on June. Typhoon Dianmu is the strongest.


July


August


September


October


November


December


Global effects


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 and subtropical cyclones in the Atlantic, Pacific, and Indian oceans, which are known as basins. Collectively, tropica ...
* List of earthquakes in 2004 *
Tornadoes of 2004 This page documents notable tornadoes and tornado outbreaks worldwide in 2004. Strong and destructive tornadoes form most frequently in the United States, Bangladesh, and East India, Eastern India, but they can occur almost anywhere under the righ ...
*
2004 Indian Ocean earthquake and tsunami On 26 December 2004, at 07:58:53 local time ( UTC+7), a major earthquake with a magnitude of 9.2–9.3 struck with an epicentre off the west coast of Aceh in northern Sumatra, Indonesia. The undersea megathrust earthquake, known in the sci ...


Notes

1 Only systems that formed either on or after January 1, 2004 are counted in the seasonal totals.
2 Only systems that formed either before or on December 31, 2004 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 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 ...
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


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. 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 2004 Tropical cyclones by year Tropícal cyclones in 2004 2004-related lists