The 2004–05 Australian region cyclone season was a near-average season with eleven

tropical cyclones 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 ...

An average tropical cyclone season contains thirteen tropical cyclone

/ref> occurring within the Australian region south of the

equator The equator is the circle of latitude that divides Earth into the Northern Hemisphere, Northern and Southern Hemisphere, Southern Hemispheres of Earth, hemispheres. It is an imaginary line located at 0 degrees latitude, about in circumferen ...

and from 90°E to 160°E. The season officially ran from 1 November 2004 to 30 April 2005 with pre-season Tropical Cyclone Phoebe forming on 1 September and an unnamed tropical cyclone dissipating on 15 April. This is the period of the year when most tropical cyclones form within the Australian region. During the season at least five people were killed from tropical disturbances while overall damage was estimated at $ (2005 USD; $ USD). Severe Tropical Cyclone Harvey caused an estimated $ (2005 USD; $ USD) in damage in

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 ...

when it made landfall in February. The most damaging storm of the season, Severe Tropical Cyclone Ingrid, killed five people and caused an estimated $ (2005 USD; $ USD) as the first tropical cyclone on record, to bring hurricane-force windspeeds to

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

Western Australia Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Aust ...

. Within the Australian region, tropical lows are monitored by the

Bureau of Meteorology The Bureau of Meteorology (BOM or BoM) is an executive agency of the Government of Australia, Australian Government that is responsible for providing Weather forecasting, weather forecasts and Meteorology, meteorological services to Australia a ...

(BoM), who run Tropical Cyclone Warning Centres (TCWC) in

Perth Perth () is the list of Australian capital cities, capital city of Western Australia. It is the list of cities in Australia by population, fourth-most-populous city in Australia, with a population of over 2.3 million within Greater Perth . The ...

, Darwin and

Brisbane Brisbane ( ; ) is the List of Australian capital cities, capital and largest city of the States and territories of Australia, state of Queensland and the list of cities in Australia by population, third-most populous city in Australia, with a ...

. There is also a TCWC in

Port Moresby (; Tok Pisin: ''Pot Mosbi''), also referred to as Pom City or simply Moresby, is the capital and largest city of Papua New Guinea. It is one of the largest cities in the southwestern Pacific (along with Jayapura) outside of Australia and New ...

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 ...

. These TCWCs issue warnings for tropical lows between 90°E and 160°E. The United States

Joint Typhoon Warning Center The Joint Typhoon Warning Center (JTWC) is a joint United States Navy – United States Air Force command in Pearl Harbor, Hawaii. The JTWC is responsible for the issuing of tropical cyclone warnings in the North-West Pacific Ocean, South P ...

(JTWC) issues unofficial warnings within the Australian region, designating tropical cyclones with the P suffix when they form to the east of 135°E and S when they form to the west of 135°E. The Bureau of Meteorology and TCWC Port Moresby both use the

Australian Tropical Cyclone Intensity 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 meteorologi ...

, and measure windspeeds over a period of ten minutes, while the JTWC measures sustained winds over a period of one minute and uses the Saffir–Simpson Hurricane Scale. This timeline includes information from post-storm reviews by the Bureau of Meteorology, TCWC Port Moresby, and the JTWC. It documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season. Reports among warning centers often differ; as such, information from all three agencies has been included.

Timeline of events

September

;1 September *0000

UTC Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communica ...

, (0800 WST) – TCWC Perth and RSMC La Reunion, both report that Tropical Depression/Low 01S, has moved into the Australian region from the South-West Indian Ocean with 10-minute sustained winds of .The figures for

maximum sustained wind 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 ...

s and position estimates are rounded to the nearest 5 units (

miles The mile, sometimes the international mile or statute mile to distinguish it from other miles, is a British imperial unit and United States customary unit of length; both are based on the older English unit of length equal to 5,280 English f ...

, or

kilometre The kilometre (SI symbol: km; or ), spelt kilometer in American English, American and Philippine English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo- being the SI prefix for ). It is the ...

s), following the convention used in th
Bureau of Meteorology
's operational products for each storm. All other units are rounded to the nearest digit. *0600 UTC, (1400 WST) – The JTWC reports that Tropical Depression 01S, has moved into the Australian region from the South-West Indian Ocean with 1-minute sustained winds of . *1800 UTC, (0200 WST, 2 September) – The JTWC reports that Tropical Depression/Low 01S has intensified into a tropical storm. ;2 September *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Depression/Low 01S, has intensified into a category one tropical cyclone. *0400 UTC, (1200 WST) – TCWC Perth names Tropical Cyclone 01S, Phoebe. *1200 UTC, (2000 WST) – TCWC Perth reports that Tropical Cyclone Phoebe (01S), has reached its peak 10-minute sustained wind speeds of 85 km/h (50 mph). *1800 UTC, (0200 WST, 3 September) – The JTWC reports that Tropical Storm Phoebe (01S), has reached its peak one-minute sustained winds of 100 km/h (65 mph). ;4 September *1200 UTC, (2000 WST) – TCWC Perth reports that Tropical Cyclone Phoebe (01S), has weakened into a tropical low. *1200 UTC, (2000 WST) – The JTWC issues its final advisory as Tropical Storm Phoebe (01S), has weakened into a tropical depression. ;5 September *1200 UTC, (2000 WST) – TCWC Perth issues its final advisory on Tropical Low Phoebe (01S).

October and November

*The 2004–05 Australian region cyclone season officially began on 1 November 2004. *There were no significant tropical lows within the Australian region during October and November 2004.

December

;2 December *0600 UTC, (1400 WST) – TCWC Perth reports that a weak tropical low has formed about , to the northeast of

Jakarta Jakarta (; , Betawi language, Betawi: ''Jakartè''), officially the Special Capital Region of Jakarta (; ''DKI Jakarta'') and formerly known as Batavia, Dutch East Indies, Batavia until 1949, is the capital and largest city of Indonesia and ...

, Indonesia. ;3 December *1800 UTC, (0200 WST, 4 December) – The JTWC designates the tropical low as Tropical Depression 05S. ;4 December *0600 UTC, (1400 WST) – The JTWC reports that Tropical Depression 05S has intensified into a tropical storm. *0600 UTC, (1400 WST) – The JTWC reports that Tropical Storm 05S has reached its peak 1-minute sustained windspeeds of . ;5 December *1200 UTC, (2000 WST) – The JTWC reports that Tropical Storm 05S has weakened into a tropical depression. *2300 UTC, (0700 WST) – TCWC Perth issues its final advisory on Tropical Depression 05S. ;6 December *0000 UTC, (0800 WST) – The JTWC issues its final advisory on Tropical Depression 05S. ;30 December *0000 UTC, (0800 WST) – TCWC Perth reports that a tropical low has formed about to the southwest of

Dili Dili (Portuguese language, Portuguese and Tetum language, Tetum: ''Díli'') is the Capital city, capital and largest city of Timor-Leste. It lies on the northern coast of the island of Timor, in a small area of flat land hemmed in by mountai ...

East Timor Timor-Leste, also known as East Timor, officially the Democratic Republic of Timor-Leste, is a country in Southeast Asia. It comprises the eastern half of the island of Timor, the coastal exclave of Oecusse in the island's northwest, and ...

. *1800 UTC, (0200 WST, 31 December) – The JTWC designates the tropical low as Tropical Depression 07S. ;31 December *0600 UTC, (1400 WST) – TCWC Perth reports that Tropical Low (07S), has intensified into a Category 1 tropical cyclone and names it Raymond. *1800 UTC, (0200 WST, 1 January 2005) – The JTWC reports that Tropical Depression Raymond (07S), has intensified into a tropical storm.

January

;2 January *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Cyclone Raymond (07S), has reached its peak 10-minute sustained windspeeds of peak 10-minute intensity of 85 km/h (50 mph). *0600 UTC, (1400 WST) – The JTWC reports that Tropical Storm Raymond (07S), has reached its peak 1-minute sustained windspeeds of 95 km/h (60 mph). *1500 UTC, (2300 WST) – TCWC Perth reports that Tropical Cyclone Raymond (07S), has made landfall near

Kalumburu, Western Australia Kalumburu (and Kalumburu Community, formerly Drysdale River Mission) are bounded localities within the Shire of Wyndham-East Kimberley in Western Australia (postcode 6740). Kalumburu Community is the northernmost settlement in Western Australia ...

with 10-minute sustained winds of 85 km/h (50 mph). ;3 January *0600 UTC, (1400 WST) – TCWC Perth reports that Tropical Cyclone Raymond (07S), has weakened into a tropical low. *0600 UTC, (1400 WST) – The JTWC issues their final advisory on Tropical Cyclone Raymond (07S), as it weakens into a tropical depression. ;6 January *0600 UTC, (1400 WST) – TCWC Perth reports that a tropical low has formed about , to the southwest of Jakarta, Indonesia. ;7 January *0600 UTC, (1400 WST) – The JTWC designates the tropical low as Tropical Depression 09S. *1800 UTC, (0200 WST, 8 January) – TCWC Perth reports that Tropical Low 09S, has intensified into a category one tropical cyclone and names it "Sally". ;8 January *0600 UTC, (1400 WST) – The JTWC reports that Tropical Depression Sally (09S), has intensified into a tropical storm. *1200 UTC, (2200 EST) – TCWC Brisbane reports that Severe Tropical Cyclone Kerry (08P), has moved into the Australian region from the South Pacific as a Category 3 severe tropical cyclone. *1200 UTC, (2200 EST) – The JTWC reports that Tropical Cyclone Kerry (08P), has moved into the Australian region from the South Pacific as a Category 1 tropical cyclone. Tropical Cyclone Kerry 2005

;9 January *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Cyclone Sally (09S), has intensified into a Category 2 tropical cyclone. *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Cyclone Sally (09S), has reached its peak 10-minute sustained winds of . *0000 UTC, (0800 WST) – The JTWC reports that Tropical Storm Sally (09S), has reached its peak 1-minute sustained winds of 85 km/h (50 mph). *0600 UTC, (1600 EST) – The JTWC reports that Tropical Cyclone Kerry (08S), has intensified into a Category 2 tropical cyclone. *1200 UTC – TCWC Perth reports that Tropical Cyclone Sally (09S), has weakened into a Category 1 tropical cyclone. *1200 UTC – TCWC Brisbane reports that Severe Tropical Cyclone Kerry (08P), has reached its peak intensity of 140 km/h (85 mph). *1200 UTC – The JTWC reports that Tropical Cyclone Kerry (08S), has reached its peak one-minute sustained wind speeds of 165 km/h (105 mph). ;10 January *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Low Ex-Raymond (07S), has dissipated 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 ...

. *0000 UTC, (0800 WST) – The JTWC issues its final advisory as Tropical Storm Sally (09S), weakens into a tropical depression. *0300 UTC, (1100 WST) – TCWC Perth reports that Tropical Cyclone Sally (09S), has weakened into a tropical low. *0600 UTC, (1400 WST) – TCWC Perth issues its final advisory on Tropical Low Sally (09S), as it dissipates. ;11 January *0600 UTC, (1400 EST) – TCWC Brisbane reports that Severe Tropical Cyclone Kerry (08P), has weakened into a category 2 tropical cyclone. *1800 UTC, (0400 EST, 12 January) – TCWC Brisbane reports that Tropical Cyclone Kerry (08P), has moved into the South Pacific from the Australian region, however, TCWC Brisbane retains the primary warning responsibility for Kerry. ;12 January *1200 UTC, (2000 WST) – TCWC Brisbane reports that Tropical Cyclone Kerry (08P), has weakened into a Category 1 tropical cyclone. ;13 January *0600 UTC, (1400 EST) – TCWC Brisbane reports that Tropical Cyclone Kerry (08P), has re-entered the Australian region from the South Pacific. ;14 January *0000 UTC, (0930 CST) – The JTWC reports that Tropical Depression 10S has formed 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 ...

. *0600 UTC, (1400 EST) – TCWC Brisbane reports that Tropical Cyclone Kerry (08P) has weakened into a tropical depression. *0600 UTC, (1400 EST) – The JTWC reports that Tropical Depression Kerry (08P), has weakened into a tropical disturbance. ;15 January *0000 UTC, (0800 WST) – TCWC Perth starts to monitor Tropical Depression 10S as a tropical low. *1200 UTC, (2000 WST) – The JTWC reports that Tropical Depression 10S, has intensified into a tropical storm. *1200 UTC, (2000 WST) – The JTWC reports that Tropical Storm 10S, has reached its peak 1-minute sustained wind speeds of 65 km/h (40 mph). ;16 January *0600 UTC, (1400 EST) – The JTWC reports that Tropical Storm 10S has weakened into a tropical depression. ;17 January *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Low 10S has become extratropical. *0600 UTC, (1400 EST) – The JTWC reports that Tropical Depression 10S has degenerated into a tropical disturbance. Tim 2005 track

;18 January *0000 UTC, (1000 EST) – TCWC Brisbane issues its final advisory on Tropical Low Kerry. ;22 January *0000 UTC, (0800 WST) – TCWC Perth reports that a tropical low has formed. *1200 UTC, (2000 WST) – The JTWC designates the tropical low as Tropical Depression 13S. ;23 January *1200 UTC, (2000 WST) – TCWC Perth reports that Tropical Low 13S, has intensified into a Category 1 tropical cyclone and names it "Tim". *1800 UTC, (0200 WST, 24 January) – TCWC Perth reports that Tropical Cyclone Tim (13S), has reached its peak 10-minute sustained winds of 85 km/h (50 mph). *1800 UTC, (0200 WST, 24 January) – The JTWC reports that Tropical Depression Tim (13S), has intensified into a tropical storm. *1800 UTC, (0200 WST, 24 January) – The JTWC reports that Tropical Depression Tim (13S), has reached its peak one-minute sustained winds of . ;25 January *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Cyclone Tim (13S) has weakened into a tropical low. *1200 UTC, (2000 WST) – TCWC Perth issues its final advisory on Tropical Low Tim (13S). *1200 UTC, (2200 EST) – The JTWC reports that Tropical Storm Tim (13S), has weakened into a tropical depression. ;26 January *0600 UTC, (1600 EST) – The JTWC issues its final advisory on Tropical Depression Tim (13S).

February

;3 February *1200 UTC, (2130 CST) – TCWC Darwin and TCWC Brisbane report that a tropical low has formed over land about to the north of Edward Island. ;4 February *0000 UTC, (0800 WST) – TCWC Perth reports that a tropical low has formed. ;5 February *0000 UTC – The JTWC designates TCWC Perth's tropical low as Tropical Depression 17S. *1200 UTC – The JTWC designates the tropical low monitored by TCWC Darwin as Tropical Depression 16S. Cyclone Harvey 2005

;6 February *0000 UTC, (0930 CST) – TCWC Darwin and TCWC Brisbane report that Tropical Low 16S has intensified into a Category 1 tropical cyclone and name it "Harvey". *0000 UTC – The JTWC reports that Tropical Depression Harvey (16S) has intensified into a tropical storm. ;7 February *0000 UTC – TCWC Darwin and TCWC Brisbane report that Tropical Cyclone Harvey (16S), has intensified into a Category 2 tropical cyclone. *0000 UTC – The JTWC reports that Tropical Depression 17S has intensified into a tropical storm. *0000 UTC – The JTWC reports that Tropical Depression 17S has reached its peak one-minute sustained winds of . *0600 UTC – TCWC Darwin and TCWC Brisbane report that Tropical Cyclone Harvey (16S), has intensified into a Category 3 severe tropical cyclone. *0600 UTC – The JTWC reports that Tropical Storm Harvey (16S) has reached its peak one-minute sustained winds of 95 km/h (60 mph). *0800 UTC – TCWC Darwin and TCWC Brisbane report that Severe Tropical Cyclone Harvey (16S) has made landfall near the

border. *1200 UTC – TCWC Darwin and TCWC Brisbane report that Severe Tropical Cyclone Harvey (16S) has weakened into a Category 2 tropical cyclone. *1500 UTC – TCWC Darwin and TCWC Brisbane report that Tropical Cyclone Harvey (16S) has weakened into a Category 1 tropical cyclone. *1800 UTC – TCWC Darwin and TCWC Brisbane issue the final advisory on Tropical Cyclone Harvey (16S), as it weakens into a tropical low. *1800 UTC – The JTWC issues its final advisory on Tropical Storm Harvey (16S). ;8 February *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Low 17S, has intensified into a Category 1 tropical cyclone and names it "Vivienne". *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Cyclone Vivienne (17S), has reached its peak 10-minute sustained winds of . *1200 UTC – TCWC Perth reports that Tropical Cyclone Vivienne (17S), has weakened into a tropical low. *1200 UTC – The JTWC reports that Tropical Storm Vivienne (17S), has weakened into a tropical depression and dissipated. ;9 February *1200 UTC, (2000 WST) – TCWC Perth reports that Tropical Low Vivienne (17S), has dissipated.

March

;4 March *0000 UTC, (0930 CST) – TCWC Brisbane reports that a tropical low has formed in the Gulf of Carpentaria about to the west of Darwin, Australia. ;5 March *0600 UTC, (1530 CST) – The JTWC designates the tropical low as Tropical Depression 22P. *1200 UTC, (2130 CST) – TCWC Brisbane reports that Tropical Low 22P, has made landfall on the

Cape York Peninsula The Cape York Peninsula is a peninsula located in Far North Queensland, Australia. It is the largest wilderness in northern Australia.Mittermeier, R.E. et al. (2002). Wilderness: Earth's last wild places. Mexico City: Agrupación Sierra Madre, ...

with winds of . ;6 March *0000 UTC, (1000 EST) – TCWC Brisbane reports that Tropical Low 22P, has intensified into a Category 1 tropical cyclone as it moves offshore and names it "Ingrid". *0600 UTC, (1600 EST) – TCWC Brisbane reports that Tropical Cyclone Ingrid (22P), has intensified into a category two tropical cyclone. *0600 UTC, (1530 EST) – The JTWC reports that Tropical Depression Ingrid (22P), has intensified into a tropical storm. *1200 UTC, (2130 EST) – TCWC Brisbane reports that Tropical Cyclone Ingrid (22P), has intensified into a Category 3 severe tropical cyclone. *1200 UTC, (2130 EST) – The JTWC reports that Tropical Storm Ingrid (22P), has intensified into a Category 1 tropical cyclone. ;7 March *0000 UTC, (1000 EST) – The JTWC reports that Tropical Cyclone Ingrid (22P), has intensified into a Category 2 tropical cyclone. *0600 UTC, (1530 EST) – TCWC Brisbane reports that Severe Tropical Cyclone Ingrid (22P) has intensified into a Category 4 severe tropical cyclone. *0600 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P) has intensified into a Category 4 tropical cyclone. *1800 UTC – TCWC Brisbane reports that Severe Tropical Cyclone Ingrid (22P) has intensified into a Category 5 severe tropical cyclone. Cyclone Ingrid 2005

;8 March *0600 UTC – TCWC Perth reports that a tropical low has formed. *1800 UTC – The JTWC designates the tropical low as Tropical Depression 23S. *1800 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P) has weakened into a category three tropical cyclone. ;9 March *0600 UTC – TCWC Brisbane reports that Severe Tropical Cyclone Ingrid (22P), has weakened into a Category 4 severe tropical cyclone. *1800 UTC – TCWC Perth reports that Tropical Low 23S, has intensified into a Category 1 tropical cyclone and names it "Willy". *1800 UTC – The JTWC reports that Tropical Depression Willy (23S), has intensified into a tropical storm. *2000 UTC – TCWC Brisbane reports that Severe Tropical Cyclone Ingrid (22P) has made landfall on the Cape York Peninsula near Night Island with winds of 175 km/h (110 mph). *2100 UTC – TCWC Brisbane reports that Severe Tropical Cyclone Ingrid (22P) has weakened into a category three severe tropical cyclone. ;10 March *0000 UTC – TCWC Brisbane reports that Severe Tropical Cyclone Ingrid (22P) has weakened into a category two tropical cyclone. *0000 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P), has weakened into a Category 1 tropical cyclone. *0600 UTC – TCWC Perth reports that Tropical Cyclone Willy (23S), has intensified into a Category 2 tropical cyclone. *1200 UTC – TCWC Brisbane reports that Tropical Cyclone Ingrid (22P), has weakened into a Category 1 tropical cyclone. *1200 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P), has weakened into a tropical storm. *1800 UTC – TCWC Perth reports that Tropical Cyclone Willy (23S), has intensified into a Category 3 severe tropical cyclone. *1800 UTC – TCWC Brisbane reports that Tropical Cyclone Ingrid (22P), has intensified into a Category 2 tropical cyclone. *1800 UTC – TCWC Brisbane passes the primary warning responsibility of Tropical Cyclone Ingrid (22P), to TCWC Darwin as the storm moves west of 141°E. *1800 UTC – The JTWC reports that Tropical Storm Willy (23S), has intensified into a Category 1 tropical cyclone. ;11 March *0000 UTC – TCWC Darwin reports that Tropical Cyclone Ingrid (22P), has intensified into a Category 3 severe tropical cyclone. *0000 UTC – The JTWC reports that Tropical Storm Ingrid (22P), has intensified into a Category 1 tropical cyclone. *0600 UTC – The JTWC reports that Tropical Cyclone Willy (23S), has intensified into a Category 2 tropical cyclone. *0900 UTC – TCWC Darwin reports that Severe Tropical Cyclone Ingrid (22P), has intensified into a Category 4 severe tropical cyclone. *1200 UTC – TCWC Perth reports that Severe Tropical Cyclone Willy (23S), has reached its peak 10-minute sustained winds of 140 km/h (85 mph). *1200 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P), has intensified into a Category 4 tropical cyclone. *1200 UTC – The JTWC reports that Tropical Cyclone Willy (23S), has reached its peak one-minute sustained wind speeds of 165 km/h (105 mph). *1500 UTC – TCWC Darwin reports that Severe Tropical Cyclone Ingrid (22P), has intensified into a Category 5 severe tropical cyclone. *1800 UTC – TCWC Darwin reports that Severe Tropical Cyclone Ingrid (22P), has reached its peak 10-minute sustained wind speeds of 230 km/h (145 mph). Willy 12 March 2005

;12 March *0600 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P), has reached its peak 1-minute sustained wind speeds of 250 km/h (155 mph). *0600 UTC – The JTWC reports that Tropical Cyclone Willy (23S), has weakened into a Category 1 tropical cyclone. *1800 UTC – TCWC Darwin reports that Severe Tropical Cyclone Ingrid (22P), has weakened into a Category 4 severe tropical cyclone. ;13 March *0000 UTC – TCWC Darwin reports that Severe Tropical Cyclone Ingrid (22P), has made landfall on the

Cobourg Peninsula The Cobourg Peninsula is a peninsula located east of Darwin in the Northern Territory, Australia. It is deeply indented with coves and bays, covers a land area of about , and is virtually uninhabited with a population ranging from about 20 ...

with winds of 165 km/h (105 mph). *0300 UTC – TCWC Darwin reports that Severe Tropical Cyclone Ingrid (22P), has weakened into a Category 3 severe tropical cyclone. *0600 UTC – TCWC Perth reports that Severe Tropical Cyclone Willy (23S), has weakened into a Category 2 tropical cyclone. *0600 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P), has weakened into a Category 3 tropical cyclone. *0900 UTC – TCWC Darwin reports that Severe Tropical Cyclone Ingrid (22P), has made landfall on Meville Island with winds of 130 km/h (80 mph). *1200 UTC – The JTWC reports that Tropical Cyclone Willy (23S), has weakened into a tropical storm. *1800 UTC – TCWC Perth reports that Tropical Cyclone Willy (23S), has weakened into a Category 1 tropical cyclone. *1800 UTC – TCWC Darwin reports that Severe Tropical Cyclone Ingrid (22P), has weakened into a Category 2 tropical cyclone. ;14 March *0000 UTC – TCWC Darwin reports that Tropical Cyclone Ingrid (22P), has intensified into a Category 3 tropical cyclone. *0000 UTC – TCWC Perth reports that Tropical Cyclone Willy (23S), has weakened into a tropical low. *0000 UTC – The JTWC issues their final advisory on Tropical Storm Willy (23S). *1200 UTC – TCWC Darwin reports that Severe Tropical Cyclone Ingrid (22P), has intensified into a Category 4 severe tropical cyclone. *1200 UTC – TCWC Darwin transfers the primary warning responsibility of Severe Tropical Cyclone Ingrid (22P), to TCWC Perth as Ingrid, moves west of 129°E. *1200 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P) has intensified into a Category 4 tropical cyclone. *1800 UTC – TCWC Perth issues its final advisory on Tropical Low Willy (23S). ;15 March *1200 UTC – TCWC Perth reports that Severe Tropical Cyclone Ingrid (22P), has made landfall in northern

with winds of 185 km/h (115 mph). *1500 UTC – TCWC Perth reports that Severe Tropical Cyclone Ingrid (22P) has weakened into a Category 3 severe tropical cyclone. *1800 UTC – TCWC Perth reports that Severe Tropical Cyclone Ingrid (22P) has weakened into a Category 2 tropical cyclone. *1800 UTC – TCWC Perth reports that Tropical Cyclone Ingrid (22P), has made landfall near Kalumburu with winds of 110 km/h (70 mph). *1800 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P) has weakened into a Category 2 tropical cyclone. ;16 March *0600 UTC – TCWC Perth reports that Tropical Cyclone Ingrid (22P) has weakened into a Category 1 tropical cyclone. *0600 UTC – The JTWC reports that Tropical Cyclone Ingrid (22P), has weakened into a Category 1 tropical cyclone. *2100 UTC – TCWC Perth issues its final advisory on Tropical Cyclone Ingrid (22P), as it weakens into a tropical low. ;17 March *0600 UTC – The JTWC issues its final warning on Tropical Cyclone Ingrid (22P).

April and May

;2 April *0000 UTC, (0800 WST) – TCWC Perth reports that a tropical low, has formed about , to the southwest of

, Indonesia. ;3 April *1000 UTC, (1800 WST) – TCWC Perth names the tropical low, "Adeline". *1200 UTC, (2000 WST) – TCWC Perth reports that Tropical Low Adeline has intensified into a Category 1 tropical cyclone. *1200 UTC, (2000 WST) – The JTWC designates Tropical Cyclone Adeline as Tropical Depression 26S. ;4 April *0000 UTC, (0800 WST) – TCWC Perth reports that Tropical Cyclone Adeline (26S), has intensified into a Category 2 tropical Cyclone. *1800 UTC, (0200 WST, 5 April) – TCWC Perth reports that Tropical Cyclone Adeline (26S), has intensified into a Category 3 severe tropical cyclone. *1800 UTC, (0200 WST, 5 April) – The JTWC reports that Tropical Depression Adeline (26S), has intensified into a tropical storm. ;5 April *0600 UTC, (1400 WST) – The JTWC reports that Tropical Storm Adeline (26S) has intensified into a Category 1 tropical cyclone. *1200 UTC, (2000 WST) – The JTWC reports that Tropical Cyclone Adeline (26S) has intensified into a Category 2 tropical cyclone. *1300 UTC, (2100 WST) – TCWC Perth passes the primary warning responsibility for Severe Tropical Cyclone Adeline (26S), to RSMC La Réunion as it moves into the South-West Indian Ocean. ;12 April *Unknown time – TCWC Port Moresby and TCWC Brisbane, report that a tropical low, has developed within the far northern

Arafura Sea The Arafura Sea (or Arafuru Sea) lies west of the Pacific Ocean, overlying the continental shelf between Australia and Western New Guinea (also called Papua), which is the Indonesian part of the Island of New Guinea. Geography The Arafura Sea is ...

. ;13 April *0000 UTC (1000 EST) – The tropical low makes landfall on the

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

n province of Papua. ;15 April *1200 UTC (2200 EST) – The tropical low dissipates. ;1 May *0000 UTC (1000 EST) – The 2004–05 Australian region cyclone season officially ends.

Notes

References

{{DEFAULTSORT:Timeline of the 2004-05 Australian region cyclone season Australian region meteorological timelines 2004–05 Australian region cyclone season Articles which contain graphical timelines