IDD10120 Australian Government Bureau of Meteorology Northern Territory Darwin Regional Forecasting Centre Explanatory Notes issued 10:15 am CST Sunday 20 April 2014 6am Weather Chart A weak high over inland NSW extends a ridge into southern and central Australia. A trough extends through central WA, while a cold front is moving east through the Southern Ocean. A second trough lies through Queensland. 9am Satellite Picture Convective cloud with showers and thunderstorms can over the Arafura Sea and Gulf of Carpentaria associated with a moist air mass. Low cloud associated with an moist onshore flow can be seen along southern Australian coastlines. Some high cloud over southwestern WA is the result of an upper trough in the indian Ocean. The rest of the continent remains relatively cloud free under the influence of the ridge.