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01:30 AEST on Tuesday 21 May 2013 | Cloud/surface composite, Australia
Infrared image courtesy of the Japan Meteorological Agency. Blue Marble surface image courtesy of NASA.
IDY28000
Australian Government Bureau of Meteorology
National Meteorological and Oceanographic Centre
Satellite Notes for the 1200UTC chart on 20 May 2013
Issued at 11:18 pm EST Monday on 20 May 2013
A broad cloud band with areas of rain, showers and embedded thunderstorms extends from the Kimberley through the interior of the continent to the Bight. This is the result of a significant upper level trough and subtropical jetstream. An area of more active thunderstorms is visible near the Kimberley coast in northwest Western Australia.
A weakening low pressure system and trough can be seen as the spiral-shaped system over southwest Western Australia. This is generating scattered showers and isolated thunderstorms.
Cloud associated with a trough is crossing Victoria and Tasmania, bringing wintery isolated showers and thunderstorms.
Elsewhere, a ridge of high pressure centred over northern New South Wales is keeping much of the north and east of the country clear, while a deep low pressure system over the Tasman Sea is responsible for widespread convective cloud over the ocean. A series of cold fronts are tracking over the Southern Ocean well to the south of the continent.