Broad areas of thick storm clouds cover much of the country's tropical north, due to low pressure troughs and excess moisture through the region driving convection and thunderstorm activity. Patchier mid to upper level cloud is also visible through this area. A thick band of mid to upper level cloud persists over much of southeastern and southern Queensland. A high pressure ridge across southwestern Western Australia is drawing low level cloud onshore of the southern coasts. A patchy sheet of low to mid level cloud drifts over southeastern parts of South Australia. A ridge of high pressure to the country's southeast drives moist onshore flow and low level cloud to the New South Wales and Victoria. Tasmania and central western parts of Western Australia are mostly cloud free.