The large circular cloud band with embedded thunderstorms, located off the
northwest WA coast, is associated with Severe Tropical Cyclone "Marcus"
Thunderstorms are active near the monsoon trough which extends from the Timor
Sea to a low pressure system located over the Arafura Sea and then out over the
A low pressure trough extending from western Queensland into western New South
Wales is with producing thunderstorms, with some middle and high level cloud.
A high pressure system south of Tasmania is directing onshore winds, which with
a coastal trough, are producing low and middle level cloud along the New South
Wales and southeast Queensland coast.
A high level cloud band can be seen crossing the Great Australian Bight with an
upper level trough.