 On November 5 , a tropical depression formed in the Australian basin south of Indonesia from a trough . It moved slowly and erratically to the west , only gradually organizing . On November 8 , the JTWC classified the system as Tropical Cyclone 02S . Before entering the south @-@ west Indian Ocean , the Bureau of Meteorology ( BoM ) estimated that the system reached 10 ‑ minute winds of 105 km / h ( 65 mph ) . However , the BoM did not include the system in its annual summary of the season , and at the time it was considered a tropical depression in the Australian region . On November 12 , the system crossed 90 ° E , classified as Moderate Tropical Storm Barisaona by the MFR . By that time , the storm was moving steadily to the west @-@ southwest , steered by a ridge to the south , and it attained tropical cyclone status two days later . Also on November 14 , the MFR estimated peak 10 ‑ minute winds of 135 km / h ( 85 mph ) , based on the well @-@ defined eye . Barisaona briefly weakened to tropical storm status on November 15 , only to regain tropical cyclone status the next day . On November 16 , the JTWC estimated peak 1 ‑ minute winds of 185 km / h ( 115 mph ) . A passing trough turned the cyclone to the southwest . It gradually weakened thereafter , and JTWC discontinued advisories on November 20 . The MFR tracked Barisaona for a few more days as a ridge steered the system back to the north ; the system dissipated on November 23 . 
