The most severe sudden downpours in Sydney have intensified by 40 per cent in the last two decades.
With La Niña prolonging the wet season, there is an increased risk of flooding along the north, east and southeast regions.
One cold winter doesn't negate more than a century of global warming. We need the political leadership to set the world on a safer path. Ill-informed tweets by government senators won't help.
Large, intense bushfires can pump so much heat into the atmosphere they form their own thunderstorm system. And that can make the weather on the ground even more dangerously unpredictable.
Australia's recent heatwave is a taste of what our future will bring unless humans can rapidly and deeply cut our greenhouse emissions, write Sarah Perkins-Kirkpatrick, Andrew King and Matthew Hale.
How East Coast Lows interact with other climate extremes now and into the future is the next big question researchers hope to answer, writes Acacia Pepler.
There's an upside to feeling down when the weather is gloomy: your memory is far more accurate than it is on bright and sunny days, a UNSW study suggests.