2018–19 Australian region cyclone season
| 2018–19 Australian region cyclone season | |
|---|---|
| Seasonal boundaries | |
| First system formed | 25 September 2018 |
| Last system dissipated | Season Ongoing |
| Strongest storm | |
| Name | Liua |
| • Lowest pressure | 1003 hPa (mbar) |
| Seasonal statistics | |
| Tropical lows | 1 |
| Total fatalities | None |
| Total damage | None |
| Related articles | |
The 2018–19 Australian region cyclone season is the period of the year when most tropical cyclones form in the Southern Indian Ocean and Pacific Oceans between 90°E and 160°E. The season will officially run from 1 November 2018 to 30 April 2019, however, a tropical cyclone could form at any time between 1 July 2018 and 30 June 2019 and would count towards the season total. During the season, tropical cyclones will be officially monitored, by one of the five Tropical Cyclone Warning Centres (TCWCs) that operate in this region. Three of the five centers are operated by the Australian Bureau of Meteorology (BoM) in Perth, Darwin, and Brisbane, while the other two are operated by the National Weather Service of Papua New Guinea in Port Moresby and the Indonesian Agency for Meteorology, Climatology and Geophysics in Jakarta, Indonesia. The United States Joint Typhoon Warning Center (JTWC) and other national meteorological services including Météo-France will also monitor the basin during the season.
Seasonal forecasts
| Region | Average number |
Chance of more |
Chance of less |
Actual activity |
|---|---|---|---|---|
| Whole | 11 | 37% | 63% | |
| Western | 7 | 44% | 56% | |
| North-Western | 5 | 41% | 59% | |
| Northern | 3 | 46% | 54% | |
| Eastern | 4 | 40% | 60% | |
| Source: BOM's Seasonal Outlooks for Tropical Cyclones.[1] | ||||
Ahead of the tropcial cyclone season starting on November 1, 2018, the BoM issued five tropical cyclone outlooks for the Australian region during October 2018.[1] Each one of these forecasts was for the entire tropical cyclone year between July 2018 and June 2019 and took into account various factors, including the latest neutral to weak El Niño conditions that had been observed in the tropical Pacific Ocean.[1] The outlooks showed that activity in the region overall and for each of its sub-regions would be near to below average.[1] For the Western region between 90°E and 125°E, the BoM forecast that the area would also see activity below its average of 7, with a 56% chance of a below average number of tropical cyclones occurring.[1] TCWC Perth also noted that there was a likelihood of two tropical cyclones and a significant likelihood of at least one severe tropical cyclone impacting Western Australia.[2] For the North-Western sub-region between 105°E and 130°E, it was predicted that activity would be above average, with a 41% chance of below-average tropical cyclone activity.[1] The Northern Territory, which was defined as being between as being 125°E and 142.5°E, had a 54% chance of an above-average season.[1] The Eastern region between 142.5°E and 160°E was predicted to have a near-normal tropical cyclone season, with a 60% chance of below-average tropical cyclone activity.[1]
Seasonal summary
Systems
Tropical Cyclone 01U (Liua)
| Category 1 tropical cyclone (Australian scale) | |
| Tropical storm (SSHWS) | |
  | |
| Duration | 25 September – 29 September |
|---|---|
| Peak intensity | 75 km/h (45 mph) (10-min) 994 hPa (mbar) |
Luia was one of the earliest storms to have formed at that time of the year. It reached a peak of a 'Tropical Storm' in the South Pacific Ocean before weakening into a depression when it entered the Australian region. It then dissipated due to colder ocean waters and high windshear. It only partially affected the Solomon Islands but little to no damage was done, almost nothing affected.
Storm names
Bureau of Meteorology
Since the start of the 2008–09 season, there has only been one list that the Bureau of Meteorology have assigned names to tropical cyclones.[3] However, the Bureau of Meteorology still operates the various TCWCs in Perth, Darwin & Brisbane. These monitor all tropical cyclones that form within the Australian region, including any in either TCWC Jakarta's or Port Moresby's area of responsibility. The next 12 names on the naming list are listed here below.
| Owen (unused) | Penny (unused) | Riley (unused) | Savannah (unused) | Trevor (unused) | Veronica (unused) |
| Wallace (unused) | Ann (unused) | Blake (unused) | Claudia (unused) | Damien (unused) | Esther (unused) |
TCWC Jakarta
TCWC Jakarta monitors Tropical Cyclones from the Equator to 11S and from 90E to 145E. Should a Tropical Depression reach Tropical Cyclone strength within TCWC Jakarta's Area of Responsibility then it will be assigned the next name from the following list.[3]
| Kenanga (unused) | Lili (unused) | Mangga (unused) | Seroja (unused) | Teratai (unused) |
| Anggrek (unused) | Bakung (unused) | Cempaka (unused) | Dahlia (unused) | Flamboyan (unused) |
TCWC Port Moresby
Tropical cyclones that develop north of 11°S between 151°E and 160°E are assigned names by the Tropical Cyclone Warning Centre in Port Moresby, Papua New Guinea. Tropical cyclone formation in this area is rare, with no cyclones being named in it since 2007.[4] As names are assigned in a random order the whole list is shown below.
| Alu (unused) | Buri (unused) | Dodo (unused) | Emau (unused) | Fere (unused) |
| Hibu (unused) | Ila (unused) | Kama (unused) | Lobu (unused) | Maila (unused) |
Season effects
| Name | Dates active | Peak classification |
Sustained wind speeds |
Pressure | Areas affected | Damages (AUD) |
Damages (USD) |
Deaths | Refs |
|---|---|---|---|---|---|---|---|---|---|
| 01U (Liua) | 25 – 29 September | Category 1 cyclone | 45 mph (85 km/h) | 994 mbar | Solomon Islands | None | None | None | |
| Season Aggregates | |||||||||
| 1 system | 25 September – Season ongoing | Not specified | Not specified | None | None | 0 | |||
See also
- Tropical cyclones in 2018
- List of Southern Hemisphere cyclone seasons
- Atlantic hurricane seasons: 2018, 2019
- Pacific hurricane seasons: 2018, 2019
- Pacific typhoon seasons: 2018, 2019
- North Indian Ocean cyclone seasons: 2018, 2019
- 2018–19 South-West Indian Ocean cyclone season
- 2018–19 South Pacific cyclone season
References
- 1 2 3 4 5 6 7 8 National Climate Centre (8 October 2018). "Australian Tropical Cyclone Outlook for 2018 to 2019: Lower number of cyclones likely for Australia". Australian Bureau of Meteorology. Retrieved 8 October 2018.
- ↑ Perth Tropical Cyclone Warning Centre (10 October 2016). "Western Australia Seasonal Tropical Cyclone Outlook 2016–17". Australian Bureau of Meteorology. Archived from the original on 10 October 2016. Retrieved 10 October 2016.
- 1 2 "Tropical Cyclone Operational plan for the South Pacific & Southeast Indian Ocean, 2014 Edition" (PDF). WMO. Retrieved 2016-06-12.
- ↑ Gary Padgett (2008). "Monthly Global Tropical Cyclone Summary October". Australian Severe Weather. Retrieved 2013-07-01.
External links
- Australian Bureau of Meteorology
- Joint Typhoon Warning Center
- Tropical Cyclone Warning Center Jakarta (in Indonesian)
Tropical cyclones of the 2018–19 Australian region cyclone season | |||
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