• A model (called RORB*) was used to study how much rainfall becomes runoff and flows during floods in the Newstead area.
• The model was tested using real data from past floods, including the big floods in January 2011 and October 2022.
• The model used information from several river gauges, including the Loddon River at Newstead.
• The study also looked at how climate change might increase rainfall and affect flooding in the near future (2030) and long-term (2100).
• The results show that the model is reliable and can be used to help plan for future floods in Newstead.

* RORB is a computer program used for calculating flood hydrographs from rainfall and other inputs, and is widely used in hydrology, particularly in Australia.

• A flood model (called TUFLOW) was created to show how water moves through Newstead during floods.
• It was tested using past floods, including the October 2022 and September 2016 events, and matched real data, including recorded flood heights and photos.
• The model was used to simulate a wide range of flood scenarios, from more common floods to very rare ones.
• It also looked at how climate change might affect flooding by the year 2100.
• The model will also be used to explore flood mitigation options, inform planning decisions and improve emergency planning.