Much of Queensland has been affected by serious flooding. I live in Brisbane, thankfully in a location not affected by serious flooding. This day (13th January 2011) has resulted in the highest Brisbane River peaks and the next few days will see the water levels recede and clean ups begin.
Brisbane is of course flood prone, at various levels and in this case known flood areas have been affected, alsmost to the levles of the 1974 flood.
Brisbane is of course a vastly different place than in 1974, with much higher people and dwelling densities and a city of high rise buildings. Sophisticated modelling has allowed accurate forecasting of both rain and water levels as the flooding developed. Wivenhoe Dam has assisted greatly in reducing the flood peak in the Brisbane River, despite huge water inflows in the catchment area, and large required water releases to manage dam capacity.
The next few days will see Brisbane River levels drop and clean up, in Brisbane, commence. Much of Queensland is still affected by flooding with some areas experiencing second flood. Dalby will have flood peaks on the 14 Jan 2011, which may exceed the height of its flood levies.
It is early days for Queensland. We can expect cyclones to the north through to March/April, which will bring, at least, major rain events capable of affecting most of the state again.
The next 3/4 months should prove interesting and a continuing test for emergency services and the people of Queensland. Hopefully it will just stay wet and no major cyclones will occur.
Time of course will tell and history will record.
Paul