List of South-West Indian Ocean severe tropical storms

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Satellite image of Tropical Storm Jasmine

Within the South-West Indian Ocean, the term severe tropical storms is reserved for those systems, that have winds of at least 50 knots (95 km/h; 60 mph). It is the second-highest classification used within the South-West Indian Ocean to classify tropical cyclones with.

Background

The

tropical storm that has 10-minute maximum sustained wind speeds between 48–63 kn (89–117 km/h; 55–72 mph).[1]

Systems

Name Duration Peak intensity Areas affected Damage
(USD) 		Deaths Refs
Wind speed Pressure
Roma
 18 February 23, 1973 100 km/h (65 mph) 982 hPa (29.00 inHg) None None None [2][3]
Honorine April 12 – 23, 1974 95 km/h (60 mph) 998 hPa (29.47 inHg) None None None [4]
Norah November 1 – 4, 1974 95 km/h (60 mph) 988 hPa (29.18 inHg) Christmas Island, Cocos Island None None [5]
Ines March 9 – 19, 1975 110 km/h (70 mph) 985 hPa (29.09 inHg) None None None [6]
Junon April 18 – 22, 1975 95 km/h (60 mph) 1005 hPa (29.68 inHg) None None None [6]
Kevin May 5 – 12, 1979 95 km/h (60 mph) 986 hPa (29.12 inHg) None None None [7]
Tony August 26 – 31, 1979 95 km/h (60 mph) 990 hPa (29.23 inHg) None None None [8]
Ikonjo May 11 – 20, 1990 95 km/h (60 mph) 976 hPa (28.82 inHg) Seychelles Minimal None [9][10]
Antoinette October 15 – 21, 1996 115 km/h (70 mph) 965 hPa (28.50 inHg) None None None [11][12]
Alex-Andree October 28 — 30, 2001 95 km/h (60 mph) 985 hPa (29.09 inHg) None None None [13]
Juba May 5 — 15, 2004 100 km/h (65 mph) 975 hPa (28.79 inHg) None None None [14]

2010's

Name Duration Peak intensity Areas affected Damage
(USD) 		Deaths Refs
Wind speed Pressure
Adjali November 15 – 21, 2014 100 km/h (65 mph) 987 hPa (29.15 inHg) None None None [15]
Chedza January 14 – 19, 2015 105 km/h (65 mph) 975 hPa (28.79 inHg) Southern Africa, Madagascar, Réunion $40 million 80 [16][17][18]
Fundi February 5 – 8, 2015 100 km/h (65 mph) 978 hPa (28.88 inHg) Madagascar Unknown 5 [19]
Glenda February 22 – 28, 2015 95 km/h (60 mph) 970 hPa (28.64 inHg) None None None [20]
Ikola April 5 – 6, 2017 105 km/h (65 mph) 982 hPa (29.00 inHg) None None None [21]
Abela July 12 – 20, 2016 95 km/h (60 mph) 987 hPa (29.15 inHg) Madagascar Unknown None [22]
Flamboyan April 28 – May 1, 2018 110 km/h (70 mph) 978 hPa (28.88 inHg) None None None [23]
Bongoyo December 4 — 10, 2020 100 km/h (65 mph) 988 hPa (29.18 inHg)
Cocos Islands
 None None
Chalane December 19 – 30, 2020 110 km/h (70 mph) 983 hPa (29.03 inHg) Madagascar, Mozambique, Zimbabwe, Botswana, Namibia Minimal 7
Danilo December 28, 2020 — January 12, 2021 100 km/h (65 mph) 981 hPa (28.97 inHg) Chagos Archipelago None None
Ana January 20 — 20, 2022 95 km/h (60 mph) 987 hPa (29.15 inHg) Mascarene Islands, Madagascar, Southern Africa 25 million 142
Fezile
 February 16 — 18, 2022 95 km/h (60 mph) 978 hPa (28.88 inHg) None None None
Jasmine
 April 21 — 27, 2022 110 km/h (70 mph) 982 hPa (29.00 inHg) Comoros, Mozambique, Madagascar Unknown 10
Alvaro
 December 30, 2023 — January 3, 2024 110 km/h (70 mph) 985 hPa (29.09 inHg) Mozambique, Madagascar Unknown 19
Candice
 January 26, 2024 95 km/h (60 mph) 985 hPa (29.09 inHg) Mauritius Unknown None
Eleanor
 February 21–23, 2024 100 km/h (65 mph) 984 hPa (29.06 inHg) Mauritius, Reunion Unknown None

Climatology

Intense tropical cyclones by month
Month Number of storms
January
0
February
0
March
0
April
0
May
0
June
0
July
0
August
0
September
0
October
0
November
0
December
3
Severe tropical storms by decade
Decade Number of storms
1970s
0
1980s
0
1990s
0
2000s
0
2010s
0
2020s
4

See also

References

  1. ^ a b c RA I Tropical Cyclone Committee (2023). Tropical Cyclone Operational Plan for the South-West Indian Ocean (PDF) (Report). World Meteorological Organization.
  2. ^ "1973 Severe Tropical Storm Roma (1973108S12082)". International Best Track Archive for Climate Stewardship. Retrieved April 6, 2022.
  3. ^ "Tropical Cyclone Roma" (PDF). Australian Bureau of Meteorology. Retrieved April 6, 2022.
  4. ISSN 0222-5123
    .
  5. ^ "1974 Tropical Cyclone Norah (1974301S08105)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  6. ^
    ISSN 0222-5123
    .
  7. ^ "1979 Severe Tropical Storm Kevin (1979122S04095)". International Best Track Archive for Climate Stewardship. Retrieved May 13, 2022.
  8. ^ Tropical Cyclone Tony (Report). Australian Bureau of Meteorology. Retrieved May 13, 2022.
  9. ^ "1990 Tropical Cyclone Ikonjo (1990130S03081)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  10. ^ Cahng Seng, Denis; Guillande, Richard (July 8, 2009). Disaster risk profile of the Republic of Seychelles (PDF) (Report). United Nations Development Programme. pp. 43, 44, 45, 51. Retrieved December 3, 2011.
  11. ^ Saison Cyclonique Sud-Ouest 1996-1997 dans de l'océan Indien [Cyclone Season 1996-1997 in the South-West Indian Ocean] (PDF) (Report) (in French). Météo-France. Archived from the original (PDF) on March 7, 2022. Retrieved May 11, 2022.
  12. ^ "1996 Tropical Cyclone Antoinette (1996289S05093)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  13. ^ "2001 Severe Tropical Storm Alex:Andre (2001298S07098)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  14. ^ "2004 Tropical Cyclone Juba (2004125S08084)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  15. ^ "2014 Severe Tropical Storm Adjali (2014319S06066)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  16. ^ "2015 Tropical Cyclone Chedza (2015013S18038)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  17. ^ "Flood death toll across Southern Africa reaches 260". Chicago Tribune. Retrieved January 21, 2015.
  18. ^ "Madagascar tropical storm claims 46 lives". Yahoo! News! via AP. Retrieved January 21, 2015.
  19. ^ "2015 Severe Tropical Storm Fundi (2015036S20038)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  20. ^ "2015 Severe Tropical Storm Glenda (2015050S11094)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  21. ^ "2016 Severe Tropical Cyclone Ikola (2015094S10087)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  22. ^ "2016 Severe Tropical Storm Abela (2016195S06076)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.
  23. ^ "2018 Tropical Cyclone Flamboyan (2018117S07098)". International Best Track Archive for Climate Stewardship. Retrieved May 8, 2022.

External links

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