Forecasters are watching four tropical lows developing north of the continent that are expected to dump widespread rain later this week, with three of them considered a moderate chance of forming into tropical cyclones.The lows are developing within a monsoon trough over northern Australia that is likely to bring rain, storms and heavy falls to Queensland's far north and north tropical coast, even pushing back across the Gulf Country."We've also got areas of showers and storms continuing across far south-western