The 1969âÂÂ70 South-West Indian Ocean cyclone season was an active cyclone season.
Aline existed from August 19 to August 22.
October 7 to October 15.
26 deaths in Comoros and Mozambique.
Delphine existed from December 29 to January 1.
This system entered the basin on January 7 and dissipated on January 17.
The storm struck western Madagascar, bringing rainfall.
The cyclone caused four deaths in Madagascar due to flooding. The cyclone peaked as a Moderate Tropical Storm, before weakening and making landfall.
One death on Reunion.
Iseult existed from February 2 to February 15, staying at sea for its existence.
It was named Josephine in its formative stages due to being in what was considered the Australian basin at the time. The cyclone made landfall in Madagascar, before taking a southeast turn and dissipating.
Katia existed from March 16 to March 26, clipping Madagascar.
Louise existed from March 20 to April 1.
Michelle entered the basin on March 24 and dissipated on March 30.