 Intense Tropical Cyclone Kamba ( JTWC designation : 23S ) was a powerful tropical cyclone which remained out over the open waters of the south @-@ central Indian Ocean for its entire existence . The fourth and final intense tropical cyclone of the 2007 @-@ 08 South @-@ West Indian Ocean cyclone season , Kamba developed out of an area of disturbed weather just north of Madagascar on November 12 . A tropical disturbance was first identified by the Météo-France La Reunion weather station on the island of La Reunion on November 12 . The disturbance was classified as a tropical depression on November 13 . Kamba subsequently strength