A high pressure system over the southern Tasman Sea is directing fresh east to southeasterly winds with areas of low cloud onto the eastern seaboard. An atmospheric river of mainly middle and high level thick cloud is flowing over central and northern Australia. A large cloud band is situated through South Australia into Western Victoria ahead of an approaching cold front in the Bight. Significant thunderstorm activity is being observed through the Eyre Peninsula and pastoral districts of South Australia. "Speckled" cold-air cloud can be seen along the southwest coast of Western Australia as a ridge of high pressure direct moist air onshore..