1973–74 South-West Indian Ocean cyclone season

	Moderate tropical storm (MFR)
	Tropical storm (SSHWS)
Duration	October 16 – October 28
Peak intensity	65 km/h (40 mph) (10-min)

	Moderate tropical storm (MFR)
	Tropical storm (SSHWS)
Duration	September 14 – September 24
Peak intensity	75 km/h (45 mph) (10-min)

1973–74 South-West Indian Ocean cyclone season
	Season summary map
Seasonal boundaries
First system formed	14 September 1973
Last system dissipated	23 April 1974
Strongest storm
Name	Deidre-Delinda
• Maximum winds	150 km/h (90 mph); (10-minute sustained)
• Lowest pressure	964 hPa (mbar)
Seasonal statistics
Total disturbances	8
Total depressions	7
Total storms	7
Tropical cyclones	1
Total fatalities	Unknown
Total damage	Unknown
Related articles
	1973–74 Australian region cyclone season; 1973–74 South Pacific cyclone season;

The 1973–74 South-West Indian Ocean cyclone season was a below-average cyclone season. The season officially ran from November 1, 1973, to April 30, 1974.

Systems

Moderate Tropical Storm Alice

Alice was born around 80E, and reached its greatest intensity (Phase C plus) on September 20 to the north of Tromelin. but has resulted in some light to moderate rain over extreme northeastern Madagascar between 21 and 23, the winds not exceeding 55 km / h in the region of Diego-Suarez.[1]

Moderate Tropical Storm Bernadette

Bernadette, more active than before, has reached the stage of a tropical cyclone in the strict sense of the international classification, in the 26th October (minimum pressure estimated of 985 mb), moderate rainfall strong enough of have been recorded on the extreme north of Madagascar and off the cape of Amber, a boat noted a peak wind of 139 km/h.

Moderate Tropical Storm Christiane

Moderate tropical storm (MFR)
Tropical storm (SSHWS)

Duration	December 13 – December 21
Peak intensity	85 km/h (50 mph) (10-min)

Moderate Tropical Storm Christian existed from December 13 to December 21.

Tropical Cyclone Deidre-Delinda

Tropical cyclone (MFR)
Category 2 tropical cyclone (SSHWS)

Duration	December 26 (Crossed 80°E) – January 4
Peak intensity	150 km/h (90 mph) (10-min) ≤ 964 hPa (mbar)

Tropical Cyclone Deidre-Delinda existed from December 26, 1973, to January 4, 1974.

Moderate Tropical Storm Esmeralda

Moderate tropical storm (MFR)
Tropical storm (SSHWS)

Duration	December 30 – January 5
Peak intensity	65 km/h (40 mph) (10-min)

Moderate Tropical Storm Esmeralda existed from December 30, 1973, to January 5, 1974. The storm looped to the southeast of Madagascar, bringing several days of rainfall to Réunion, reaching 222.2 mm (8.75 in).[2]

Tropical Disturbance Fredegonde

Tropical disturbance (MFR)
Tropical depression (SSHWS)

Duration	January 19 – January 23
Peak intensity	45 km/h (30 mph) (10-min)

Tropical Disturbance Fredegonde existed from January 19 to January 23.

Moderate Tropical Storm Ghislaine

Moderate tropical storm (MFR)
Tropical storm (SSHWS)

Duration	February 24 (Crossed 80°E) – March 3
Peak intensity	85 km/h (50 mph) (10-min)

Moderate Tropical Storm Ghislaine existed from February 24 to March 3.

Moderate Tropical Storm Honorine

Moderate tropical storm (MFR)
Tropical storm (SSHWS)

Duration	April 12 – April 23
Peak intensity	65 km/h (40 mph) (10-min)

Moderate Tropical Storm Honorine existed from April 12 to April 23.

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References

"LA SAISON CYCLONIQUE 1973-1974" (PDF). Archived (PDF) from the original on 2014-01-03.
Tropical Storm Esmerelda, 31 December 1973-6 January 1974. National Climatic Data Center (Report). Global tropical/extratropical cyclone climatic atlas. 1996. Retrieved February 7, 2019.

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[1] "LA SAISON CYCLONIQUE 1973-1974" (PDF). Archived (PDF) from the original on 2014-01-03.

[2] Tropical Storm Esmerelda, 31 December 1973-6 January 1974. National Climatic Data Center (Report). Global tropical/extratropical cyclone climatic atlas. 1996. Retrieved February 7, 2019.