 The 1991 – 92 South @-@ West Indian Ocean cyclone season was an average cyclone season in which most storms remained over open waters . At the time , the season lasted from November 15 , 1991 to April 30 , 1992 , although this season began early when three tropical depressions formed before the official start . The second , designated Tropical Depression A2 by the Météo @-@ France office ( MFR ) on Réunion , passed north of Madagascar on October 16 before weakening . The first named storm was Severe Tropical Storm Alexandra , which developed on December 18 from the monsoon trough ; many other storms during the year originated in this manner . Tropical Storm Bryna was the only tropical storm of the season to make landfall , having struck northeastern Madagascar on January 2 . The basin was most active in February , when five named storms developed , including Tropical Depression Elizabetha which struck western Madagascar . In early March , Cyclone Harriet entered the basin from the Australian region and was renamed Heather . It intensified to peak winds of 165 km / h ( 105 mph ) , making Heather the strongest storm of the season . In April , another cyclone – Jane – crossed from the Australian region and was renamed Irna , which reentered the Australian region on April 19 to end tropical activity within the basin . 
