Cyclone developed near Fraser Island and then moved south and passed to the east of Brisbane and the Gold Coast. Average winds to fifty knots along the S Qld coast. 24 hr rainfall totals:- 388mm Springbrook; 213mm Caboolture; 197mm Beenleigh and 163mm Brisbane Airport.

This event is classified as an East Coast Low.

More about East Coast Lows
Harden Up
Bureau of Meteorology website
The Centre for Australian Weather and Climate Research report