Christopher Biggs Profile picture
Feb 27 22 tweets 16 min read
Here’s the river level plots from dam to city
Wivenhoe bit.ly/fl_wiv
Lowood bit.ly/fl_lowood
Kholo bit.ly/fl_kholo
Mt Crosby bit.ly/fl_crosby
College’s Corssing bit.ly/fl_colcross
Moggill bit.ly/fl_moggill

ctd next tweet #bneflood
River level plots (part 2)
Aitchenson st: bit.ly/fl_aitch
Goodna: bit.ly/fl_goodna
Jindalee: bit.ly/fl_jindalee
StLucia: bit.ly/fl_stlucia
Port Office: bit.ly/fl_portoff
City: bit.ly/fl_bne
Mouth: bit.ly/fl_mouth
#bneflood
Looking at the river level plots particularly for wivenhoe and lowood, the “bolus” of water released friday, and then again 4am sunday is working its way down river. It looks to have peaked at colleges crossing, maybe not at Moggill. #bneflood
I’m between Goodna and Jindalee, where the levels are 10m and 8m at the moment.

This mapping site can show you the THEORETICAL inundation at a given level. (It just uses elevation, not runoff or backflow) #bneflood
From the flood map site, the level would have to go up another 3 metres to reach me. And from the up-river data, this does not appear likely. Providing this rain would kindly GO ELSEWHERE, and also nobody presses button AZ-5 at the dam. #bneflood
Does anyone know if I can get 2011 data for those river stations upthread? #bneflood
Whoops, that link for the flood level map: floodmap.net/?gi=2174003 #bneflood
Okay, I’ve found the #bneflood 2011 levels: bit.ly/fl_2011
Lowood: now 15m, 2011 22.9m
Mt Crosby: now 17.2m, 2011 26.2m
Colleges crossing: Now 14.3, destroyed 2011
Moggill: now 12.15m, 2011 17.87m
Jindalee: now 8.2m, 2011 12.9m
City: last peak 3m, 2011 4.46m
Given that Lowood and Mt crosby seem to be holding at current level for the last 12h, this looks like #bneflood won’t be as bad as 2011. HANDS OFF THAT AZ-5 BUTTON.

(Those levels again
Lowood: now 15m, 2011 22.9m
Mt Crosby: now 17.2m, 2011 26.2m)
Thanks @suekeay for the real value data from 2011 #bneflood in eprints.qut.edu.au/44077/1/201101… I really want to see that Moggill level (bit.ly/fl_moggill) start to peak now, because if it does, I think we’re good.
@suekeay @threadreaderapp can has unroll pls
Here is a little #bneflood webpage to keep on your phone showing the river levels: iotlab.accelerando.io/dashboard/#!/0… (updated every 5 minutes thanks to BOM FTP server) Screen shot of a list of river levels, with rising falling,
Craaap it’s maybe not peaking #bneflood Chart of flood levels at Mt Crosby, having risen to 17m at m
Well. The rain appears to have stopped. The River levels below dam appear to be cresting at 80% of 2011 level, despite the huge release from Wivenhoe Dam (well done crew!). BUT flood level in the city and below is higher than any predictions and not yet peaked. #bneflood Chart of flood levels relative to 2011 showing levels crestiChart of water level at the Wivenhoe dam spillway showing a Chart of River level at Brisbane CBD, showing that this peak
Here’s my webpage collating raw data for flood levels, updated each 5min. iotlab.accelerando.io #bneflood Screenshot of webpage I o t lab dot Accelerando dot I o show
Brisbane City river level has peaked at 3.84m (3.96 at port office). Hold tight for next peak tonight. #bneflood Chart showing peak at 86% of 2011 peakChart of river level at port office, which maybe indicates t
More water came into the dam in 2022, and faster, than 2011. Thankfully the dam had more spare capacity this time around! #bneflood
So it looks like College’s Crossing river level gauge went offline on Sunday, at the same level as in 2011. You only had 11 years to strengthen/move it, no rush, probably a couple of years till the next 100 year event. #bneflood Screenshot from a bureau of meteorology website showing that
The street outside my office. One of the lucky ones. #bneflood Floodwaters in Sumner, which reached the corner of Spine and
If you’re wondering how my flood level in a nutshell webpage (at iotlab.accelerand.io) works, I used the NodeRED flow programming system (nodered.org) to knock it together on Sunday morning, while making the call whether to evacuate. #bneflood Screenshot of a node red program.   A bunch of boxes like &qDetail of my program, showing a box that says "Parse HT
Low tide in the lower reaches of Brisbane River. Expect the water level to come up again tonight (probably not as high) #bneflood Chart of relative flood levels, showing that city level is a
Here’s two lots of good news. Clear peak in flood levels, and releases from Wivenhoe have abated. #bneflood Chart showing key flood levels are back to levels from SundaOne week of level data for brisbane CBD showing a clear peakChart of Wivenhoe dam spillway levels indicating a sharp dro

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