The future of floods?

I'm not sure how many people in the rest of Australia realise this, but it seems to me to be a pretty remarkable thing that the weather in Queensland this summer has not only been wetter than forecasts suggested (based on the general rule that El Nino summers are more likely to be - but are not necessarily - dryer), but the flooding that has been happening on a frequent basis has been so localised.

In other words, we seem to keep getting examples of intense, but quite localised, rainfall rates, causing flash flooding that only extends over a relatively small area - a couple of suburbs, but no further.

I meant to comment about this a few weeks ago when I woke up to see houses inundated in suburbs to the West of mine, but we hadn't even had any rainfall at all overnight.   

Something similar seems to have happened again a few days ago, where some northern suburbs were overcome with flash floods, but the rest of Brisbane had a pretty "normal" wet day. 

I would not be at all surprised if this is a pattern that continues in future, and it is recognised as a (more or less) unforeseen and problematic consequence of climate change in many parts of the world.