Australian Government Bureau of Meteorology, National Water Operations Major Flood Warning For The Adelaide River Issued at 04:15 PM ACST on Sunday 22 March 2026 Flood Warning Number: 3 MAJOR FLOODING POSSIBLE AT ADELAIDE RIVER TOWN DURING MONDAY Ex-Tropical Cyclone Narelle is forecast to bring widespread heavy to locally intense rainfall to parts of the Top End. Forecast rain from Sunday is likely to cause rapid river level rises across the Adelaide River catchment. River levels at Adelaide River Town are expected to exceed the minor flood level overnight Sunday into Monday, with moderate flooding likely to develop Monday morning. Further rises and major flooding is possible during Monday. The situation will be closely monitored and this warning will be updated as required. A Flood Watch is current for parts of the Top End including the Adelaide River catchment. A Tropical Cyclone Advice and Severe Weather Warning are also current for parts of the Northern Territory. Upper Adelaide River: Moderate flooding is likely along the Upper Adelaide River. The Adelaide River at Adelaide River Town is currently at 3.67 m and rising, below the minor flood level. The Adelaide River at Adelaide River Town is expected to exceed the minor flood level (11.50 m) overnight Sunday into Monday. The river is likely to reach around the moderate flood level (11.90 m) Monday morning. Further rises to the major flood level (12.30 m) are possible with forecast rain during Monday. Adelaide River and Margaret River: Flooding is likely along the Margaret River and the Adelaide River below Adelaide River Town. Flood Safety Advice: Don't drive, walk, swim or play in floodwater because it is dangerous. Stay away from flooded drains, rivers, streams and waterways. Obey road closure signs. Plan ahead so you don't drive on flooded roads. Check the ABC and local media for updates. The situation can change quickly, so stay informed. For local emergency management warnings and advice visit www.securent.nt.gov.au.} For emergency assistance call SES on telephone number 132 500. In life-threatening emergencies, call 000 (triple zero) immediately. Next issue: The next warning will be issued by 05:30 AM ACST on Monday 23 March 2026. Latest River Heights: Adelaide River East Branch at Daly Road (DS),3.20,rising,12:10 pm Sun 22/03/26 Adelaider River West Branch downstream Redbank Creek,4.00,rising,3:40 pm Sun 22/03/26 Adelaide River at Adelaide River Town,3.67,rising,3:40 pm Sun 22/03/26 This advice is also available by dialling 1300 659 219. Warning, rainfall and river information are available at http://www.bom.gov.au/australia/flood.