1959–60 South-West Indian Ocean cyclone season

The 1959–60 South-West Indian Ocean cyclone season featured the beginning of tropical cyclone naming in the basin.

1959–60 South-West Indian Ocean cyclone season
Season summary map
Seasonal boundaries
First system formedOctober 27, 1959
Last system dissipatedApril 7, 1960
Strongest storm
NameCarol
 • Lowest pressure943 hPa (mbar)
Seasonal statistics
Total depressions9
Tropical cyclones4
Total fatalities50
Total damage$95 million (1960 USD)

Systems

November tropical cyclone

A tropical cyclone was observed northeast of Madagascar on November 26. The storm moved westward, passing north of the island on December 6. Two days later, the storm moved through the Comoros. On December 9, the cyclone struck northeastern Mozambique, dissipating soon after.[1][2]

December tropical cyclone

On December 26, a tropical cyclone was first observed west of Diego Garcia. The system moved westward at first, passing north of Tromelin Island on December 30. The track shifted to the southwest, bringing the storm between Madagascar and Réunion. The storm was last observed on January 4, moving southward away from land.[3]

Tropical Cyclone Alix
Category 1 tropical cyclone (SSHWS)
 
DurationJanuary 10 – January 21
Peak intensity120 km/h (75 mph) (1-min)  <970 hPa (mbar)

A tropical cyclone developed south of Diego Garcia on January 10, which would eventually become Cyclone Alix, the first named storm in the basin.[4] The storm moved westward for several days, eventually moving near St. Brandon on January 17. After turning southward, Cyclone Alix passed between Mauritius and Réunion on January 19, producing wind gusts of 200 km/h (120 mph), and a barometric pressure of 970 mbar (29 inHg). The storm turned to the southeast and was last observed on January 21.[1][5][6]

During its passage near Mauritius, Cyclone Alix killed eight people, and injured more than 100 others. The cyclone destroyed more than 20,000 huts and buildings, leaving 21,000 people homeless. Rainfall on the island reached 168 mm (6.6 in).[7][8][9]

Tropical Cyclone Carol
Category 1 tropical cyclone (SSHWS)
 
DurationFebruary 20 – March 2
Peak intensity120 km/h (75 mph) (1-min)  943 hPa (mbar)

On February 27, 1960, Cyclone Carol struck Mauritius, producing wind gusts of 256 km/h (159 mph), the strongest on record at the time and only surpassed by Cyclone Gervaise in 1975. Carol killed 42 people on Mauritius and seriously injured 95 others. The storm destroyed or seriously damaged about 100,000 houses, leaving over 15% of the island's population homeless, or over 100,000 people, of whom 70,000 stayed in emergency shelters. The high winds also wrecked about 60% of the sugar crop. Storm damage was estimated at RS450 million (US$95 million).[6][7][8][10] King's African Rifles personnel and the Red Cross distributed relief supplies in its aftermath.[11]

Tropical Depression Diane
Tropical storm (SSHWS)
 
DurationMarch 18 – March 28
Peak intensity65 km/h (40 mph) (1-min) 

Tropical Depression Diane formed in the southwestern Mozambique Channel on March 18. It moved northeastward and later eastward, striking western Madagascar north of Morondava on March 22. Diane crossed the island and proceeded to the southeast over the Indian Ocean. On March 24, the depression passed southwest of Réunion, and was last observed four days later.[1][12]

Tropical Depression Elise
Category 1 tropical cyclone (SSHWS)
 
DurationMarch 30 – April 7
Peak intensity120 km/h (75 mph) (1-min) 

The final known storm of the season – Tropical Depression Elise – developed on March 30, southeast of Diego Garcia. Elise moved southwestward and gradually turned more to the south, attaining estimated winds of 120 km/h (75 mph). After the storm accelerated southeastward, it was last observed on April 7 departing the tropics.[1][13]

Other storms

A tropical depression was first observed northeast of Madagascar on October 27. On November 2, the storm struck northern Madagascar, and dissipated three days later.[1][14]

From November 20–26, a tropical depression existed in the northeast portion of the basin. The system moved west, then south, and again to the west before dissipating.[15]

From January 15–18, a tropical depression existed near the Comoros.[1] Tropical Depression Bridgette formed in the Mozambique Channel on January 28, near Juan de Nova Island. It moved to the west-southwest, and was last noted on February 1.[1][16]

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gollark: I'm not sure how a memory test which runs under Windows is meant to work, though.
gollark: There shouldn't be errors in it at that frequency.
gollark: How do you keep getting *such* bad RAM?!
gollark: It has many "Gracemont" cores in it now.

See also
  • Atlantic hurricane seasons: 1959, 1960
  • Eastern Pacific hurricane seasons: 1959, 1960
  • Western Pacific typhoon seasons: 1959, 1960

References
  1. Isabelle Mayer Jouanjean (November 23, 2011). L’île de La Réunion sous l’œil du cyclone au XXème siècle. Histoire, société et catastrophe naturelle (Report) (in French). Université de la Réunion. Retrieved February 22, 2019.
  2. http://www.atms.unca.edu/ibtracs/ibtracs_current/index.php?name=v04r00-1959335S12065
  3. http://www.atms.unca.edu/ibtracs/ibtracs_current/index.php?name=v04r00-1959360S13072
  4. "Tropical Cyclone Warning System and General Information". Mauritius Meteorological Services. 2012. Archived from the original on August 13, 2014. Retrieved August 13, 2014.
  5. http://www.atms.unca.edu/ibtracs/ibtracs_current/index.php?name=v04r00-1960012S12081
  6. "List of Historical Cyclones". Mauritius Meteorological Services. Retrieved February 4, 2019.
  7. "Mauritius Cyclone Toll Put at 30". The Canberra Times. Australian Associated Press. March 3, 1960. Retrieved February 23, 2019.
  8. John Drummond, Earl of Perth (March 17, 1960). "Cyclone Damage in Mauritius". Parliamentary Debates (Hansard). 221. Parliament of the United Kingdom. Retrieved February 23, 2019.
  9. Environmental Data (PDF) (Report). Government of Mauritius.
  10. L. Chang-Ko. "Developing Resilience to Tropical Cyclones - The Mauritius Experience" (DOC). United Nations International Strategy for Disaster Reduction.
  11. Tanganyika Rifles Mutiny: January 1964. Dar es Salaam University Press. 1993. p. 21. ISBN 9789976601879.
  12. http://www.atms.unca.edu/ibtracs/ibtracs_current/index.php?name=v04r00-1960078S20037
  13. http://www.atms.unca.edu/ibtracs/ibtracs_current/index.php?name=v04r00-1960091S10077
  14. http://www.atms.unca.edu/ibtracs/ibtracs_current/index.php?name=v04r00-1959303S07066
  15. http://www.atms.unca.edu/ibtracs/ibtracs_current/index.php?name=v04r00-1959325S06088
  16. http://www.atms.unca.edu/ibtracs/ibtracs_current/index.php?name=v04r00-1960028S18043
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