Weekly rainfall update + rain outlook 14 September 2022

Bureau of Meteorology, September 14, 2022

STORMS occurred across much of inland eastern Australia as a cold front tapped into moist tropical air, resulting in heavy rain, hail and flash flooding.

The Maranoa and Warrego District (Queensland) received 50–80 mm from storms in the 24 hours to 9am on the 9th, with several sites setting September daily rainfall records.

Weekly totals of 25–50 mm in many inland areas of southern Queensland and New South Wales, elevating the level of flood risk across the region particularly in southern Queensland which is seasonally dry.

Higher weekly of up to 90 mm from storms in the Maranoa and Warrego districts in Queensland, in Alpine areas and north-east Tasmania.

The highest weekly total at a Bureau gauge was 91.6 mm at Mount Barrow (Tas) and the highest daily total was 85.0 mm at Palmerston (Qld) to 9am on the 9th.

Weekly totals of 5–25 mm across southern Western Australia from a cold front and a weak low and along the east coast of Australia.

Rain on already wet catchments saw a continuation in flooding. Tasmania: moderate flooding of South Esk River, minor flooding of North Esk River. Victoria: moderate flooding of Kiewa River, minor flooding of north-eastern rivers and the Avoca River. NSW: major flooding of Lachlan River, moderate flooding of Bogan and Darling Rivers, moderate flooding of Murray River at Barham possible by mid-September, minor flooding of western inland rivers. Queensland: moderate flood warnings of Balonne, Paroo, Bulloo Rivers, minor flooding of western inland rivers.





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