9news.com.au | Destructive storms up to three-times stronger than expected could cause flood infrastructure issues 9news.com.au The change in strength of the storms – up to three times more powerful - is also posing significant challenges to the nation's stormwater infrastructure designed to lessen the effects of flash flooding. Co-author of a study published in the Nature ... Extreme storms and flash flooding are coming to Australia Queensland storms intensifying as infrastructure struggles to cope: study Freak superstorms are smashing Australia three times more often than usual, risking catastrophic flash floods |