1975–76 South-West Indian Ocean cyclone season

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1975–76 South-West Indian Ocean cyclone season
1975-1976 South-West Indian Ocean cyclone season summary.jpg
Season summary map
Seasonal boundaries
First system formed17 November 1975
Last system dissipated12 April 1976
Strongest storm
NameTerry-Danae
 • Maximum winds175 km/h (110 mph)
(10-minute sustained)
 • Lowest pressure964 hPa (mbar)
Seasonal statistics
Total disturbances8
Total depressions6 (record low, tied with 2010–11)
Total storms6
Tropical cyclones1
Intense tropical cyclones1
Total fatalitiesUnknown
Total damageUnknown
Related articles
South-West Indian Ocean tropical cyclone seasons
1973–74, 1974–75, 1975–76, 1976–77, 1977–78

The 1975–76 South-West Indian Ocean cyclone season was a below-average cyclone season. The season officially ran from November 1, 1975, to April 30, 1976.

Systems[]

Moderate Tropical Storm Audrey[]

Moderate tropical storm (MFR)
Tropical storm (SSHWS)
Audrey 1975 track.png 
DurationNovember 17 – November 29
Peak intensity65 km/h (40 mph) (10-min) 

Moderate Tropical Storm Audrey developed on November 17. Audrey struck Madagascar shortly before dissipating on November 29.

Severe Tropical Storm Barbara[]

Tropical cyclone (MFR)
Category 1 tropical cyclone (SSHWS)
Barbara 1975 track.png 
DurationDecember 3 – December 19
Peak intensity120 km/h (75 mph) (10-min) 

Severe Tropical Storm Barbara developed on December 3. It made landfall in Madagascar twice before dissipating on December 19.

Severe Tropical Storm Clotilde[]

Moderate tropical storm (MFR)
Category 1 tropical cyclone (SSHWS)
Clotilde 1976 track.png 
DurationJanuary 7 – January 21
Peak intensity65 km/h (40 mph) (10-min) 

Severe Tropical Storm Clotilde developed on January 7. It struck Madagascar and continued southeastward in the Indian Ocean before dissipating on January 21.

Intense Tropical Cyclone Terry–Danae[]

Intense tropical cyclone (MFR)
Category 3 tropical cyclone (SSHWS)
DanaeTerryJanuary211976.png Terry-Danae 1976 track.png
DurationJanuary 10 – January 29
Peak intensity175 km/h (110 mph) (10-min)  964 hPa (mbar)

Cyclone Danae first affected Agaléga, where the storm destroyed the wind gauge. Winds were estimated at over 240 km/h (150 mph). The storm also produced high waves that affected the northern coast of Réunion, flooding coastal roads.[1] Cyclone Danae later struck Madagascar and then hit the east coast of Mozambique and South Africa in late January 1976. 50 people were killed in the flooding that resulted from the heavy rainfall of Cyclone Danae.[2]

In South Africa, rainfall totals reached over 250 mm (9.8 in) in the northeastern portion of the country, which caused widespread river flooding.[3]

Tropical Disturbance Ella[]

Tropical depression (SSHWS)
Ella 1976 track.png 
DurationMarch 9 – March 12
Peak intensity55 km/h (35 mph) (1-min) 

Tropical Disturbance Ella developed on March 9. It struck Mozambique shortly before dissipating on March 12.

Tropical Disturbance Frederique[]

Tropical disturbance (MFR)
Tropical depression (SSHWS)
Frederique 1976 track.png 
DurationMarch 25 – March 26
Peak intensity45 km/h (30 mph) (10-min) 

Tropical Disturbance Frederique existed from March 25 to March 26. it formed shortly before dissipating.

Moderate Tropical Storm Gladys[]

Moderate tropical storm (MFR)
Gladysmarch291976.gif Gladys 1976 track.png
DurationMarch 27 – April 10
Peak intensity65 km/h (40 mph) (10-min) 

Moderate Tropical Storm Gladys developed on March 27. It struck Madagascar and later Mozambique. Gladys then moved erratically in the Mozambique Channel before dissipating on April 10.

Moderate Tropical Storm Bert–Heliotrope[]

Moderate tropical storm (MFR)
Temporary cyclone south.svg Bert-Heliotrope 1976 track.png
DurationApril 3 – April 12
Peak intensity65 km/h (40 mph) (10-min) 

Moderate Tropical Storm Bert–Heliotrope existed from April 3 to April 12. It caused no damage or casualties and did not make landfall.

See also[]

  • Atlantic hurricane seasons: 1975, 1976
  • Eastern Pacific hurricane seasons: 1975, 1976
  • Western Pacific typhoon seasons: 1975, 1976
  • North Indian Ocean cyclone seasons: 1975, 1976

References[]

  1. ^ Hurricane Danae, 11-27 January. National Climatic Data Center (Report). Global tropical/extratropical cyclone climatic atlas. 1996. Retrieved February 7, 2019.
  2. ^ "WeatherSA Home: Johannesburg". Archived from the original on 2009-10-01. Retrieved 2019-02-18.
  3. ^ Z.P. Kovács; D.B. Du Plessis; P.R. Bracher; P. Dunn; G.C.L. Mallory (May 1985). Documentation of the 1984 Domoina Floods (PDF) (Report). Department of Water Affairs (South Africa). Archived from the original (PDF) on 2013-09-21. Retrieved 2013-07-23.
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