List of Category 1 Australian region tropical cyclones

Category 1 is the lowest classification on the Australian tropical cyclone intensity scale used to classify tropical cyclones, that have 10-minute sustained winds of 33–47 knots (61–87 km/h; 38–54 mph). As of 2020 tropical cyclones have peaked as Category 1 tropical cyclones in the South Pacific tropical cyclone basin, which is denoted as the waters surrounding Australia to the south of the equator, between 90°E and 160°E. The earliest tropical cyclone to be classified as a Category 1 tropical cyclone was Carmen. The latest was Harold which was classified as a Category 1 tropical cyclone as it moved through the Solomon Sea.

Background

The Australian region tropical cyclone basin is located to the south of the Equator between 90°E and 160°E.[1] The basin is officially monitored by the Australian Bureau of Meteorology, Papua New Guinea's National Weather Service as well as Indonesia's Badan Meteorologi Klimatologi dan Geofisika. Other meteorological services such as the Fiji Meteorological Service, the New Zealand MetService, Meteo France as well as the United States Joint Typhoon Warning Center also monitor the basin.[1] Within the basin a Category 1 tropical cyclone is a tropical cyclone that has 10-minute mean maximum sustained wind speeds of 33–47 knots (61–87 km/h; 38–54 mph) on the Australian tropical cyclone intensity scale.[1][2] A named storm could also be classified as a Category 1 tropical cyclone if it is estimated, to have 1-minute mean maximum sustained wind speeds of between 64–82 knots (119–152 km/h; 74–94 mph) on the Saffir-Simpson hurricane wind scale.[1][3] However, this scale is not officially used in the Australian, however, various agencies including NASA also use it to compare tropical cyclones.[1] A Category 1 tropical cyclone is expected to cause some damage, if it significantly impacts land at or near its peak intensity.[2][3]

Systems
Name Dates as a
Category 1		 Duration Sustained
wind speeds		 Pressure Land areas affected Damage
(USD)		 Deaths Refs
Isa16 – 18 April 19702 days75 km/h (45 mph)990 hPa (29.23 inHg)Solomon Islands[4]
Dora10 – 17 February 19716 days75 km/h (45 mph)990 hPa (29.23 inHg)QueenslandWidespreadNone[5][6]
Fiona24 February 19716 hours75 km/h (45 mph)990 hPa (29.23 inHg)Queensland, New Caledonia[7]
Faith14 – 22 April 19728 days75 km/h (45 mph)990 hPa (29.23 inHg)Northern Territory, Queensland[8]
Maud29 – 31 January 19731 day 18 hours85 km/h (50 mph)990 hPa (29.23 inHg)Western Australia[9]
Bella23 – 24 March 19731 day75 km/h (45 mph)998 hPa (29.47 inHg)Northern Territory[9]
Paula29 – 24 March 19731 day75 km/h (45 mph)998 hPa (29.47 inHg)Northern Territory[10]
Natalie1 December 197318 hours75 km/h (45 mph)998 hPa (29.47 inHg)[11]
Flora13 – 14 March 19741 day85 km/h (50 mph)990 hPa (29.23 inHg)Northern Territory[10]
Amelia (1975)6 – 9 April 19751 day 12 1/2 hours75 km/h (45 mph)990 hPa (29.23 inHg)Northern Territory[12]
Denise20 – 23 May 19752 days 18 hours75 km/h (45 mph)992 hPa (29.29 inHg)Cocos IslandMinorNone[13][14]
Kim (1975)
Sue (1975)
Alan (1976)
Hope (1976)
Carol (1976)
June (1977)
Keith (1977)
Lily (1977)
Miles (1977)
Nancy (1977)
Otto (1977)
Stan (1979)
Kevin2 – 12 May 197970 km/h (45 mph)985 hPa (29.09 inHg)NoneNoneNone[15][16]
Gordon (1979)
Paul (1980)
Edna (1980)
Amelia (1981)
Unnamed (1981)
Coral (1982)
Claudia (1982)
Des (1983)
Fritz (1983)
Unnamed (1983)
Rebecca (1985)
Ophelia (1986)
Hector (1986)
Vernon (1986)
Alfred (1986)
Blanch(e) (1987)
Herbie18 – 19 May 19881 day 12 hours75 km/h (45 mph)980 hPa (28.94 inHg)Western Australia$20 millionNone[17][18]
John (1989)
Leon–Hanitra (1989)
Marcia (1989)
Ernie (1989)
Rosita (1990)
Greg (1990)
Bessi (1990)
Laurence (1990)
Ken (1992)
Tim (1994)
Emma (1995)
Isobel (1996)
Dennis (1996)
Lindsay9 – 13 July 199675 km/h (45 mph)990 hPa (29.23 inHg)NoneNoneNone
Melanie-Bellamine1996
Nicholas (1996)
18S (1997)
Gillian (1997)
Ita (1997)
May (1998)
Sid24 – 29 December 19982 days 9 hours85 km/h (50 mph)985 hPa (29.09 inHg)Northern Territory$100 million1[19]
Olinda (1999)
Marcia (2000)
Vincent (2001)
Winsome (2001)
Wylva (2001)
Des (2002)
Errol8 – 14 May 200275 km/h (45 mph)995 hPa (29.38 inHg)NoneNoneNone[20]
Upia21 – 29 May 200265 km/h (40 mph)995 hPa (29.38 inHg)Budelun IslandNoneNone[21]
Beni (2003)
Graham27 February – 1 March 2003Category 1 tropical cyclone75 km/h (45 mph)985 hPa (29.09 inHg)Western AustraliaN/A1
Harriet (2003)
Epi5 – 6 June 200365 km/h (40 mph)993 hPa (29.32 inHg)Papua New GuineaNoneNone
Evan (2004)
Phoebe1 – 5 September 2004Category 1 tropical cyclone85 km/h (55 mph)990 hPa (29.23 inHg)NoneNoneNone[22]
Raymond (2004)
Tim (2005)
Vivienne (2005)
Emma (2006)
Pierre15 – 23 May 2007Category 1 tropical cyclone75 km/h (45 mph)990 hPa (29.23 inHg)Papua New GuineaMinimalNone[23][24]
01U/01S26 July – 1 August 2007Category 1 tropical cyclone75 km/h (45 mph)992 hPa (29.29 inHg)NoneNone[25][26]
Charlotte (2009)
Ellie (2009)
Freddy (2009)
Kirrily18 April – 1 May 200975 km/h (45 mph)998 hPa (29.47 inHg)IndonesiaMinimalNone[27]
Neville (2010)
Tasha (2010)
Vince (2011)
Mitchell (2013)
Oswald17 – 29 January 201365 km/h (40 mph)991 hPa (29.26 inHg)Eastern Australia$2.28 billion6
Peta (2013)
Alessia (2013)
Edna (2014)
Hadi (2014)
Raquel (2015)
Yvette (2017)
Alfred (2017)
Caleb (2017)
Greg (2017)
Cempaka (2017)
Irving (2018)
Linda (2018)
Flamboyan (2018)
Kenanga (2019)
Lili (2019)
Blake (2020)
Esther (2020)
Gretel (2020)
Harold (2020)


Notes

    See also

    References
    1. RA V Tropical Cyclone Committee (October 8, 2020). Tropical Cyclone Operational Plan for the South-East Indian Ocean and the Southern Pacific Ocean 2020 (PDF) (Report). World Meteorological Organization. pp. I-4–II-9 (9–21). Retrieved October 10, 2020.
    2. 2017/2018 Tropical Cyclone Season Summary of Alerts and Warnings Procedures for Fiji (PDF) (Report). Fiji Meteorological Service. October 23, 2017. pp. 3 & 11. Archived from the original (PDF) on May 25, 2019.
    3. Schott, Timothy; Landsea, Christopher; Hafele, Gene; Lorens, Jeffrey; Taylor, Arthur; Thrum, Harvey; Ward, Bill; Willis, Mark; Zaleski, Walt (January 2, 2019). The Saffir-Simpson Hurricane Wind Scale (PDF) (Report). United States National Hurricane Center. Retrieved June 4, 2019.
    4. "1970 Tropical Cyclone Isa (1970104S10164)". International Best Track Archive for Climate Stewardship. Retrieved April 14, 2020.
    5. "1971 Tropical Cyclone Dora (1971041S20153)". International Best Track Archive for Climate Stewardship. Retrieved April 14, 2020.
    6. Tropical Cyclone Dora (Report). Australian Bureau of Meteorology. Archived from the original on 22 March 2012. Retrieved 25 December 2014.
    7. "1971 Tropical Cyclone Fiona (1971048S16141)". International Best Track Archive for Climate Stewardship. Retrieved April 14, 2020.
    8. "1972 Tropical Cyclone Faith (1972102S11140)". International Best Track Archive for Climate Stewardship. Retrieved April 14, 2020.
    9. "1973 Tropical Cyclone Maud (1973028S16123)". International Best Track Archive for Climate Stewardship. Retrieved April 14, 2020.
    10. "1973 Tropical Cyclone Paula (1973085S09104)". International Best Track Archive for Climate Stewardship. Retrieved April 14, 2020.
    11. "1973 Tropical Cyclone Natalie (1973335S15161)". International Best Track Archive for Climate Stewardship. Retrieved April 14, 2020.
    12. "1975 Tropical Cyclone Amelia (1975097S10137)". International Best Track Archive for Climate Stewardship. Retrieved April 14, 2020.
    13. "1975 Tropical Cyclone Denise (1975139S12106)". International Best Track Archive for Climate Stewardship. Retrieved April 14, 2020.
    14. Tropical Cyclone Denise: May 19 – 25, 1975 (PDF) (Report). Australian Bureau of Meteorology. 19 November 2010. p. 2. Archived (PDF) from the original on 3 December 2015. Retrieved 3 December 2015.
    15. Broadbridge, L.W. (3 September 1979). "The Australian Tropical Cyclone Season 1978–79" (PDF). Australian Meteorological Magazine. Australian Bureau of Meteorology (27). Retrieved 29 November 2011.
    16. http://www.bom.gov.au/cyclone/history/kevin.shtml
    17. "Tropical Cyclone Herbie". Australian Bureau of Meteorology. 2010. Retrieved 25 February 2011.
    18. Staff Writer (23 May 1988). "Oil Slick Spreads From Shipwreck". Sydney Morning Herald.
    19. "Tropical Cyclone Sid". Australian Bureau of Meteorology. Retrieved 2 December 2012.
    20. Tropical Cyclone Errol (PDF) (Report). Australian Bureau of Meteorology. Retrieved 20 May 2017.
    21. Tropical Cyclone Upia (Report). Australian Bureau of Meteorology. Retrieved 20 May 2017.
    22. "Tropical Cyclone Phoebe" (PDF). Australian Bureau of Meteorology. 11 June 2009. Retrieved 9 September 2014.
    23. Auden, Tony (21 June 2011). Tropical Cyclone Anthony: 23 – 31 January 2011 (PDF) (Report). Australian Bureau of Meteorology's Brisbane Tropical Cyclone Warning Centre. Retrieved 13 December 2014.
    24. "Tropical Cyclone Pierre" (PDF). Australian Bureau of Meteorology.
    25. Monthly Weather Review: Australia: July 2015 (PDF) (Report). Australian Bureau of Meteorology. 25 August 2015. p. 4. Archived from the original (PDF) on 30 August 2015. Retrieved 30 August 2015.
    26. Courtney Joe; Perth Tropical Cyclone Warning Centre (16 August 2007). Unnamed Tropical Cyclone (PDF) (Report). Australian Bureau of Meteorology. Retrieved 17 July 2016.
    27. Tropical Cyclone Kirrily (PDF) (Report) (in Indonesian). Badan Meteorologi, Klimatologi, dan Geofisika. 6 July 2010. Archived (PDF) from the original on 26 October 2012.
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