1963–64 South-West Indian Ocean cyclone season explained

Basin:	SWI
Year:	1964
Track:	1963-1964 South-West Indian Ocean cyclone season summary.png
First Storm Formed:	December 1, 1963
Last Storm Dissipated:	May 2, 1964
Strongest Storm Name:	Giselle
Average Wind Speed:	1
Five Seasons:	1961–62, 1962–63, 1963–64, 1964–65, 1965–66
Australian Season:	1963–64 Australian region cyclone season
South Pacific Season:	1963–64 South Pacific cyclone season

The 1963–64 South-West Indian Ocean cyclone season was an average cyclone season.

Systems

Tropical Cyclone Amanda

Basin:	SWI
Track:	Amanda 1963 track.png
Formed:	December 1
Dissipated:	December 14
10-Min Winds:	70
1-Min Winds:	80

Amanda existed from December 1 to December 14.

Moderate Tropical Storm Betty

Basin:	SWI
Track:	Betty 1963 track.png
Formed:	December 23
Dissipated:	December 28
10-Min Winds:	35
1-Min Winds:	40

Betty existed from December 23 to December 28.

Severe Tropical Storm Christine

Basin:	SWI
Track:	Christine 1964 track.png
Formed:	January 9
Dissipated:	January 16
10-Min Winds:	50
1-Min Winds:	60

Christine existed from January 9 to January 16.

Tropical Cyclone Danielle

Basin:	SWI
Track:	Danielle 1964 track.png
Formed:	January 15
Dissipated:	January 23
Pressure:	974
10-Min Winds:	80
1-Min Winds:	90

Danielle existed from January 15 to January 23. On January 20, Danielle crossed between Réunion and Mauritius, producing wind gusts of 219km/h in the latter island. Over three days, the storm dropped heavy rainfall, reaching 795mm.^[1] ^[2]

Moderate Tropical Storm Eileen

Basin:	SWI
Track:	Eileen 1964 track.png
Formed:	January 29
Dissipated:	February 10
10-Min Winds:	40
1-Min Winds:	40

Eileen existed from January 29 to February 10.

Tropical Disturbance Frances

Basin:	SWI
Track:	Frances 1964 track.png
Formed:	February 19
Dissipated:	February 23
10-Min Winds:	25
1-Min Winds:	30

Frances existed from February 19 to February 23.

Intense Tropical Cyclone Giselle

Basin:	SWI
Track:	Giselle 1964 track.png
Formed:	February 22
Dissipated:	March 4
10-Min Winds:	90
1-Min Winds:	105

Giselle existed from February 22 to March 4.

On February 28, Giselle passed just northwest of Réunion, producing wind gusts of 180km/h. Four days' of rainfall, reaching 2708mm at Belouve, caused heavy flooding damage.^[3]

Moderate Tropical Storm Harriet

Basin:	SWI
Track:	Harriet 1964 track.png
Formed:	March 4
Dissipated:	March 17
10-Min Winds:	40
1-Min Winds:	45

Harriet existed from March 4 to March 17.

Tropical Cyclone Ingrid

Basin:	SWI
Track:	Ingrid 1964 track.png
Formed:	March 29
Dissipated:	April 3
1-Min Winds:	65

Ingrid existed from March 29 to April 3. It was monitored as Cyclone 30S by the Joint Typhoon Warning Center.

Moderate Tropical Storm Jose

Basin:	SWI
Track:	Jose 1964 track.png
Formed:	April 29
Dissipated:	May 2
10-Min Winds:	40
1-Min Winds:	45

Jose existed from April 29 to May 2.

Moderate Tropical Storm Karen

Basin:	SWI
Track:	Karen 1964 track.png
Formed:	May 4
Dissipated:	May 10
10-Min Winds:	45
1-Min Winds:	50

Karen existed from May 4 to May 10.

Notes and References

185. Mascarene Islands - An Introduction. Wendy Strahm. Curtis's Botanical Magazine. 13. May 2008. 4 . 10.1111/j.1467-8748.1996.tb00567.x.
Web site: Mauritius Meteorological Services. List of Historical Cyclones. February 4, 2019.
Global tropical/extratropical cyclone climatic atlas. [{{GTECCA url|basin=SWI|year=1964_5}} Hurricane Giselle, 22 February-4 March]. 1996. National Climatic Data Center. January 31, 2019.