News > ‘Rain Bomb’: Footage of a wet microburst in Queensland
Credit: Peter Thompson c/o Higgins Storm Chasing Facebook site
On 27th January 2015.A grazier filmed a wet microburst – or sudden downpour – in central Queensland, 50 miles north-east of Roma, Australia.
Microbursts occur when hot, dry air rises and meets heavy rain-bearing clouds. As some of the water droplets in the clouds evaporate, a rapid cooling of the air around them occurs. This then causes the air to sink, which drags the remaining raindrops with it, creating a sudden downpour. To be defined as a microburst, the event has to take place over an area of less than 4km wide, and thus they are very localised phenomenon. Since this microburst didn’t fall directly onto a rain gauge is not possible to know precisely how much rain fell on this occassion.
Peter Thompson, who filmed the event on his phone, told ABC News it “looked like the bottom of the cloud falling.”