Brisbane on alert: these maps show the suburbs most likely to flood during Cyclone Alfred

Tropical Cyclone Alfred is forecast to strike densely populated areas of southeast Queensland and northeast New South Wales. Brisbane, home to more than 2.5 million people, is among the places in the storm’s path.

Brisbane City Council says almost 20,000 properties in the Queensland capital could be affected by storm surge or flooding. Residents have been urged to consider relocating ahead of the cyclone’s arrival.

Peak flooding and storm surges are expected from Thursday. The cyclone is expected to cross the coast early on Friday morning.

The flood warning is based on new modelling produced by the council, based on the latest Bureau of Meteorology forecasts. Affected properties could experience damage ranging from mild inundation in yards to significant flooding inside homes.

The council says impacts may extend beyond those areas highlighted in the modelling. Suburbs identified as most at risk include Nudgee Beach, Brighton, Windsor, Ashgrove, Morningside and Rocklea.

The maps below show the predicted flood extent based on advice issued by the bureau.

For cyclone preparedness and safety advice, go to Get Ready Queensland. For emergency assistance call the State Emergency Service (SES) in NSW or Queensland on 132 500.

This new article in The Conversation also outlines how to prepare for the cyclone, including what to pack, how to soothe children and how to protect your home.

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Read more: 'Don't panic, do prepare': why it's not too late to plan for Cyclone Alfred