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Ben Domensino, 30 Nov 2021, 8:54 PM UTC

River rises by eight metres in 16 hours amid QLD flooding

River rises by eight metres in 16 hours amid QLD flooding

Persistent heavy rain inundated a number of rivers in southeast QLD and northern NSW during the last 24 hours, prompting emergency evacuations amid major flooding.

A concentrated stream of tropical moisture produced heavy rain and thunderstorms over QLD and northern NSW on Tuesday and into Wednesday morning.

During the 22 hours to 7am AEST on Wednesday, widespread falls of 50 to 100 mm were recorded in QLD’s Darling Downs, South East and Wide Bay and Burnett districts. Some places received well over 100mm in this period, including 184 mm at Mount Glorious near Brisbane and 102 mm at Artunga, near Inglewood.

Gatton's 83.2 mm during the 22 hours to 7am on Wednesday was its highest daily total since 2014, while Toowoomba's 75.4mm was its heaviest daily fall since 2018.

With this rain falling onto already saturated ground, thanks to wet weather in recent weeks, flooding has developed in a number of rivers during the last 24 hors.

Image: Water level observations for the Macintyre Brook at Inglewood Bridge, showing a rapid increase on Tuesday afternoon and night. Source: Bureau of Meteorology.

The river level at Inglewood Bridge shot up by 8.7 metres in the 16 hours up to 2am on Wednesday, reaching a peak of 11.15 metres. This major flood peak was caused by a combination of heavy rain and outflows from Coolmunda Dam, which was sitting at 108.5 percent of capacity at 6:30am AEST on Wednesday.

The QLD Fire and Emergency Services issued an emergency alert for the towns of Inglewood and Leyburn on Tuesday night, advising residents to evacuate their homes amid rising floodwaters.

Major flooding is still occurring in parts of southern QLD and NSW this morning and more rain and potentially severe thunderstorms will affect some areas today.

Check the latest forecasts and warnings in your local area for the most up-to-date information on this evolving situation.

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