Bureau of Meteorology says thunderstorms could bring widespread rainfalls and flash flooding while there are ‘signs of El Niño development’ Follow our Australia news live blog for latest updates Get our breaking news email, free app or daily news podcast Severe thunderstorms could bring heavy rainfall and flash flooding to eastern and south-eastern Australia in coming days, according to the weather bureau. On Tuesday afternoon, the Bureau of Meteorology (BoM) said a low-pressure system over S