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22:30 AWST on Tuesday 4 August 2015 | Cloud/surface composite, Australia

Cloud/surface composite, Australia satellite image of Australia at Tue Aug  4 14:30:00 2015

Images from Japan Meteorological Agency satellite MTSAT via Bureau of Meteorology.

IDY28000
Australian Government Bureau of Meteorology 
Bureau National Operations Centre
 
Satellite Notes for the 1200UTC chart on 4 August 2015
Issued at 11:12 pm EST Tuesday on 04 August 2015

 
The cloud band over Bass Strait and the southern Tasman Sea is associated with a
cold front. Cellular clouds with thunderstorms can be seen in the cold air
behind this cold front, over much of Tasmania. 

Another cloud band over the northern Tasman Sea is due to a surface trough.

A second surface trough is responsible for the cloud band with embedded
thunderstorms off the northern New South Wales coast.

Southwesterly flow driven by a high pressure ridge to the southwest of the
continent has brought areas of low cloud to the southern parts of the country.

Interaction between an upper level disturbance and a third surface trough has
generated an extensive area of cloud over the Indian Ocean, with high cloud
streaming ahead of the system to the southwest parts of WA.

The remainder of the country is mostly clear due to a high pressure ridge.