Nine’s weather expert Garry Youngberry joined Gary Hardgrave on 4BC Morning to issue an urgent warning for Southeast Queensland, forecasting up to 100mm of rain, damaging winds, large hail, and dangerous flash flooding across an intense seven-day storm cycle.

Beginning as early as this afternoon along a corridor from Toowoomba to south of the border, the severe weather is being fueled by high humidity and a massive nationwide trough stretching from Western Australia to the east coast.