South Australians have copped a mammoth spring soaking, with heavy rain and thunderstorms lashing the state. The Bureau of Meteorology is warning millions of Australians of a severe storm “trifecta” – large hail, damaging winds and heavy rain – hitting three major cities. Australia is on track to record its wettest El Nino year yet, with widespread showers and thunderstorms forecast to soak large parts of the country over the coming week.