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Australian region tropical cyclone

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Tropical cyclones are non-frontal, low pressure systems that develop within an environment of warm sea surface temperatures and little vertical wind shear aloft.[1] Within the Southern Hemisphere there are officially three areas where tropical cyclones develop on a regular basis, these areas are the South-West Indian Ocean between Africa and 90°E, the Australian region between 90°E and 160°E and the South Pacific basin between 160°E and 120°W. The Australian region is monitored by five different warning centers three of which are run by the Australian Bureau of Meteorology, while the other two are operated by the Papua New Guinea National Weather Service and the Badan Meteorologi Klimatologi dan Geofisika.

Basin history

There is a history of tropical cyclones affecting northeastern Australia for over 5000 years; however, Clement Lindley Wragge was the first person to monitor and name them.[2]

In the early history of tropical cyclones in the Australian region, the only evidence of a storm was based on ship reports and observations from land. Later, satellite imagery began in the basin in the 1959/60 season, although it was not continuous until 1970. In Western Australia in particular, the lack of population centers, shipping lanes, radars, and offshore stations meant that storms were tracked infrequently. After the onset of satellite imagery, the Dvorak technique was used to estimate storm's intensities and locations.[3]

Background

The Australian region is currently defined as being between 90E and 160E and is monitored by five different warning centres during the season that runs from 1 November to 30 April. Three of the warning centres are

Seasons

1970s

Season Tropical
Lows		 Tropical
Cyclones		 Severe Tropical
Cyclones		 Strongest
storm		 Deaths Damages References
1970–71
1971–72
1972–73
1973–74
1974–75
1975–76
1976–77
1977–78
1978–79
1979–80

1980s

Season Tropical
Lows		 Tropical
Cyclones		 Severe Tropical
Cyclones		 Strongest
storm		 Deaths Damages References
1980–81
1981–82
1982–83
1983–84
1984–85
1985–86
1986–87
1987–88
1988–89
1989–90

1990s

Season Tropical
Lows		 Tropical
Cyclones		 Severe Tropical
Cyclones		 Strongest
storm		 Deaths Damages References
1990–91 10 10 7 Marian 27
1991–92 11 10 9 Harriet-Heather 5 $9.4 million
1992–93 6 3 1 Oliver 0 $950 million
1993–94 12 11 7 Theodore 22
1994–95 19 9 6 Chloe 1
1995–96 19 14 9 Olivia 1 $58.5 million
1996–97 15 14 3 Pancho 34 $190 million
1997–98 10 9 3 Tiffany [4]
1998–99 21 14 9 Gwenda 8 $250 million [4]
1999-00 13 12 5 John/Paul 0 $251 million [4]

2000s

Season Tropical
Lows		 Tropical
Cyclones		 Severe Tropical
Cyclones		 Strongest
storm		 Deaths Damages References
2000–01 9 8 3 Sam 163 $12.8 million [4]
2001–02 14 10 4 Chris 19 $929,000 [4]
2002–03 10 9 3 Inigo 62 $28 million [4]
2003–04 13 10 5 Fay $20 million [4]
2004–05 13 10 4 Ingrid 5 $14.4 million [4]
2005–06 17 14 9 Monica 1 $808 million [4]
2006–07 8 6 3 George 3 [4]
2007–08 23 9 3 Pancho 170 $86 million [4]
2008–09 23 11 3 Hamish 5 $103 million [4]
2009–10 13 8 4 Laurence 3 $681 million [4]

2010s

Season Tropical
Lows		 Tropical
Cyclones		 Severe Tropical
Cyclones		 Strongest
storm		 Deaths Damages References
2010–11 28 10 5 Yasi 3 $3.56 billion [4][5]
2011–12 20 8 2 Lua 16 > $230 million [5]
2012–13 18 9 4 Narelle 20 $2.5 billion [6]
2013–14 24 10 5 Ita 22 $958 million
2014–15 15 9 7 Marcia 1 > $732 million
2015–16 7 3 0 Stan 0 None [A 1]

Notes

  1. ^ Number of tropical lows and tropical cyclones excludes Tropical Cyclone Raquel, which was considered to have been a part of the 2014-15 year.[7]

See also

References

  1. ^ RA V Tropical Cyclone Committee (5 May 2015). List of Tropical Cyclone Names withdrawn from use due to a Cyclone's Negative Impact on one or more countries (Tropical Cyclone Operational Plan for the South-East Indian Ocean and the Southern Pacific Ocean 2014). World Meteorological Organization. pp. 2B-1 - 2B-4 (23 - 26). Archived from the original (PDF) on 24 May 2015. Retrieved 6 May 2015. {{cite report}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  2. ^ Nott, Jonathon (14 November 2003). "Palaeotempestology: the study of prehistoric tropical cyclones—a review and implications for hazard assessment". Science Direct. Retrieved 14 September 2015.
  3. ^ S.J. Buchan; P.G. Black; R.L. Cohen (1999). The Impact of Tropical Cyclone Olivia on Australia's Northwest Shelf (PDF). Offshore Technology Conference. Retrieved 14 January 2016.
  4. ^ a b c d e f g h i j k l m n Padgett, Gary (1997–2011). "Monthly Global Tropical Cyclone Summaries". Archived from the original on 2011. Retrieved 19 February 2012. {{cite web}}: Check date values in: |archivedate= (help); Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  5. ^ a b National Climate Centre (3 July 2012). "Record-breaking La Niña events – Tropical cyclone activity during 2010–11 and 2011–12". Australian Bureau of Meteorology. p. 17. Archived from the original (PDF) on 22 July 2012. Retrieved 22 July 2012.
  6. ^ Nathan Paull and Miranda Forster (29 January 2013). "Floods recede as states count cost". Australian Associated Press. News Limited. Retrieved 29 January 2013.
  7. ^ Queensland Regional Office (September 2015). Tropical Cyclone Raquel (Report). Australian Bureau of Meteorology. Retrieved 15 September 2015.
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