Summary
Tropical Cyclone Billy tracked over open waters of the Indian Ocean and had no impact on the Western Australian mainland or island territories.
A tropical low formed to the southeast of Christmas Island on 12 March and tracked steadily to the west-southwest. The low improved during 13 March and reached tropical cyclone intensity at 0000 Universal Time Coordinated (UTC) 14 March (UTC=Australian Western Standard Time (AWST) - 8 hours). Billy reached a peak at category 2 intensity that night well to the south of Cocos Island. The cyclone weakened rapidly on 16 March, although gales continued in southern quadrants through to 17 March as the system tracked to the south.
For more information see the TC Billy Report (pdf).
Track and Intensity
