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Not again! BoM issues Flood warning for Qld and NSW. (aus.social)

submitted 5 months ago by [email protected] to c/[email protected]

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Not again! BoM issues Flood warning for Qld and NSW.

"A major rain event will engulf most of eastern Australia during the next 48 hours, prompting the Bureau of Meteorology to issue flood watches from southern Queensland to the NSW South Coast.

"Greater Sydney could be soaked by up to 200mm from late Thursday to early Saturday, potentially leading to major flooding along the Hawkesbury-Nepean River, while Brisbane and Canberra also face the prospect of heavy rain."

https://www.abc.net.au/news/2024-04-04/torrential-rain-triggers-flood-watch-for-sydney/103665240

@sydney #sydney #NSW #Australia #ClimateChange #weather #floods

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[–] [email protected] 0 points 5 months ago (1 children)

I dunno about down south, but here in Brisbane it's at least felt pretty similar. We've had weeks of on and off miserable rainy weather.

Personally I don't feel too worried, because where I live the biggest concern is the Brisbane River flooding, not creeks or overland flow. And with the Wivenhoe Dam at just 80% (100% only means maximum usable for drinking water, it can store over 200% during flood events), it'll take a lot more before flooding is likely here.

[–] [email protected] 0 points 5 months ago

I'm not certain of Brisbane, but my family has a little farm about 4 hours north of Sydney. Part of it is floodplains (go under in even small floods) so we tend to be reasonably familiar with the conditions that cause the big floods.

At the moment it's not desperately dry, but the soil can hold a lot more water and there hasn't been enough rain to cause run off so the dams are almost empty.

There's a bit of a downpour now and if it's particularly long and intense there may be a small flood round there, but nothing like the conditions surrounding those devastating floods last year.

Also for a lot of those rivers an occasional small flood is healthy because it helps to clear out the excess water weed that may be building up etc.