1975–76 South-West Indian Ocean cyclone season

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.

1975–76 South-West Indian Ocean cyclone season
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

Systems

Moderate Tropical Storm Audrey

Moderate tropical storm (MFR)
Tropical storm (SSHWS)
 
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)
 
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)
 
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)
 
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)
 
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)
 
DurationMarch 25 – March 26
Peak intensity45 km/h (30 mph) (10-min) 

Tropical Disturbance Frederique existed from March 25 to March 26.

Moderate Tropical Storm Gladys

Moderate tropical storm (MFR)
 
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)
 
DurationApril 3 – April 12
Peak intensity65 km/h (40 mph) (10-min) 

Moderate Tropical Storm Bert-Heliotrope existed from April 3 to April 12.

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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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