The Ross River Dam spillway gates remain open to their maximum setting in Townsville today, releasing up to 1900 cubic metres of water per second.
The Townsville Local Disaster Management Group warned residents in flood-affected suburbs that Ross River flooding was expected to peak around 11am and last until at least midnight.
Homes in Rosslea, Hermit Park, Railway Estate, Townsville City, Oonoonba, Idalia, Cluden, West End, Rowes Bay, Garbutt, Aitkenvale, Cranbrook, Currajong, Mysterton, Pimlico, Mundingburra, Douglas, Annandale, Kirwan, Thuringowa Central and South Townsville areas coulde experience further flooding today as the flood level reaches its peak.
Overnight Joint Task Force 658 assisted the evacuation of about 400 people from the Idalia and Oononba areas.
Troops, primarily from the 2nd Battalion, The Royal Australian Regiment – Australian Army used 15 small inflatable boats (Zodiaks) to evacuate residents and pets. Similar operations are planned today.
Townsville Airport remains closed.
The Bureau of Meteorology says the potential for significant and dangerous flash flooding will continue for areas between Ingham and Bowen, possibly extending as far south as Mackay during today or tomorrow
The warning comes as a slow-moving monsoon trough extends from Ingham to Gregory Springs and into a deep, semi-stationary tropical low, situated about 200km north of Mount Isa.
The trough is forecast to remain active this week, with further heavy and intense rainfall expected for already saturated catchments.