IDD10120 Australian Government Bureau of Meteorology Northern Territory Darwin Regional Forecasting Centre Explanatory Notes issued 10:15 am CST Wednesday 23 April 2014 6am Weather Chart A weak high over the Tasman Sea extends a ridge along the eastern coast. Another high in the Great Australian Bight extends a ridge over western and central Australia. A series of weak troughs lie over the eastern interior. Another heat trough lies over the Pilbara. 9am Satellite Picture Convective cloud with showers and thunderstorms can be seen over the Arafura Sea and Gulf of Carpentaria is associated with a tropical low and trough. Mid to high level cloud over NE QLD is also associated with the tropical low. Convective cloud in the Tasman Sea is associated with the remains of a cold front. Low cloud associated with moist onshore flow can be seen along much of the southern Australian coastline. The rest of the continent remains relatively cloud free under the influence of the ridge.