Image: Observed river level heights from the Nepean River at Menangle Bridge on Wednesday, March 2. The river kept rising and shortly after 4pm it has exceed the major flood level of 12.2 metres. The Nepean River at Menangle Bridge had exceeded the site’s moderate flood level of 9.2 metres by 1:45pm on Wednesday, which was an increase of an increase of nearly 9 metres in 24 hours.

Image: Flooding on the Hawkesbury River at Wisemans Ferry on Wednesday. Moderate flooding was being observed on the Hawkesbury River at North Richmond by 5pm, with major flooding likely from Wednesday night into Thursday. River level gauges on the Nepean and Hawkesbury River have been responding to the heavy rain and inflows from Warragamba Dam. This rain caused Warragamba Dam, which was almost full prior to this wet weather, to start spilling on early on Wednesday morning. Video: Radar animation showing observed rainfall on Wednesday, March 2.Ī rain gauge at Warragamba Dam received 155 mm of rain during the 31 hours ending at 4pm AEDT on Wednesday, including 48 mm between 11am and 1pm.

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