IDD10120 Australian Government Bureau of Meteorology Northern Territory Darwin Regional Forecasting Centre Explanatory Notes issued 10:15 am CST Friday 29 August 2014 6am Weather Chart A high in the Tasman Sea extends a ridge over much the continent. A cold front exists over the southwestern WA coast. A low pressure system in the Tasman Sea extends a trough into the Coral Sea. 9am Satellite Picture Cloud with embedded thunderstorm activity can be seen over the Tasman Sea. Cloud associated with the cold front lies over southwest WA. The remainder of the continent remains relatively cloud free under the influence of the ridge.