1972–73 South-West Indian Ocean cyclone season

1972–73 South-West Indian Ocean cyclone season
Season summary map
Seasonal boundaries
First system formed	26 November 1972
Last system dissipated	3 May 1973
Strongest storm

Name	Lydie
• Maximum winds	220 km/h (140 mph) (10-minute sustained)
• Lowest pressure	910 hPa (mbar)

Seasonal statistics
Total disturbances	13
Total depressions	12
Total storms	11
Tropical cyclones	4
Intense tropical cyclones	2
Very intense tropical cyclones	1
Total fatalities	Unknown
Total damage	Unknown
Related articles
1972–73 Australian region cyclone season 1972–73 South Pacific cyclone season

The 1972–73 South-West Indian Ocean cyclone season was an average cyclone season. The season officially ran from November 1, 1972, to April 30, 1973.

Systems

Severe Tropical Storm Ariane

Severe tropical storm (MFR)
Category 1 tropical cyclone (SSHWS)

Duration	November 26 – December 5
Peak intensity	110 km/h (70 mph) (10-min)

Severe Tropical Storm Ivy-Beatrice

Severe tropical storm (MFR)
Category 1 tropical cyclone (SSHWS)

Duration	December 9 (Crossed 80°E) – December 25
Peak intensity	110 km/h (70 mph) (10-min) ≤ 988 hPa (mbar)

Moderate Tropical Storm Charlotte

Moderate tropical storm (MFR)
Tropical storm (SSHWS)

Duration	January 3 – January 12
Peak intensity	75 km/h (45 mph) (10-min)

Moderate Tropical Storm Dorothee

Moderate tropical storm (MFR)
Tropical storm (SSHWS)

Duration	January 10 – January 16
Peak intensity	65 km/h (40 mph) (10-min)

Tropical Disturbance Emmanuelle

Tropical disturbance (MFR)
Tropical depression (SSHWS)

Duration	January 17 – January 20
Peak intensity	45 km/h (30 mph) (10-min)

Tropical Depression Faustine

Tropical depression (MFR)
Tropical storm (SSHWS)

Duration	January 17 – January 22
Peak intensity	55 km/h (35 mph) (10-min)

Intense Tropical Cyclone Leila-Gertrude

Intense tropical cyclone (MFR)
Category 3 tropical cyclone (SSHWS)

Duration	January 24 (Crossed 80°E) – February 3
Peak intensity	175 km/h (110 mph) (10-min)

Severe Tropical Storm Hortense

Severe tropical storm (MFR)
Category 1 tropical cyclone (SSHWS)

Duration	January 24 – February 2
Peak intensity	100 km/h (65 mph) (10-min)

Tropical Cyclone Jessy

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

Duration	February 14 – February 26
Peak intensity	155 km/h (100 mph) (10-min)

Severe Tropical Storm Isis

Severe tropical storm (MFR)
Tropical storm (SSHWS)

Duration	February 15 – February 19
Peak intensity	100 km/h (65 mph) (10-min)

Severe Tropical Storm Kitty

Severe tropical storm (MFR)
Category 1 tropical cyclone (SSHWS)

Duration	February 27 – March 5
Peak intensity	110 km/h (70 mph) (10-min)

Very Intense Tropical Cyclone Lydie

Very intense tropical cyclone (MFR)
Category 4 tropical cyclone (SSHWS)

Duration	March 5 – March 16
Peak intensity	220 km/h (140 mph) (10-min) 910 hPa (mbar)

This is the first "Very intense tropical cyclone" in the South-West Indian Ocean.

Tropical Cyclone Marcelle

Tropical cyclone (MFR)
Category 1 tropical cyclone (SSHWS)

Duration	May 1 (Crossed 80°E) – May 3 (Crossed 90°E)
Peak intensity	130 km/h (80 mph) (10-min) 972 hPa (mbar)

References

1970–1979 South-West Indian Ocean cyclone seasons
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