Australia National Satellite - Cloud / Surface Composite
Clouds from infrared image combined with static colour image of surface.

Radar Image is *MISSING Scheduled maintenance*

Official Bureau of Meteorology Satellite Notes.

IDY28000
Australian Government Bureau of Meteorology
Bureau National Operations Centre

Satellite Notes for 1200UTC Chart on 25 April 2018
Issued at 11:00 pm EST Wednesday on 25 April 2018


A cloud band associated with a cold front is approaching far southern Victoria
and Tasmania.

A trough extends through NSW and into the Tasman Sea. This is producing areas of
middle level cloud with showers through NSW, far eastern Victoria and the Tasman
Sea. Isolated thunderstorms are visible within the cloud, mainly over western
NSW and the Tasman Sea.

Some low cloud is over northeast NSW, southeast Queensland and along parts of
the south coast of Australia due to onshore flow.

Mid-level cloud with embedded thunderstorms is streaming away from the tropics
over the northern Indian Ocean, stretching southeast through central parts of WA
to central Australia. This is brought about by an upper jetstream, bringing
tropical moisture to continental Australia.

The rest of the continent is mostly cloud free under the influence of a high
presure ridge.
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About these Images : The clouds/surface composites are created by combining information from two images. The Earths surface (land and oceans) is a static image from NASA's Blue Marble image set. The cloud cover, which is overlaid on top of this surface image, is derived from a greyscale infrared image (see Infrared Images), by removing the temperature range associated with the surface. While a clouds/surface composite gives a good indication of the current cloud cover, it should not be confused with a true visible image.

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Product: IDE00135 © Copyright: Image(s) by Bureau of Meteorology
Satellite data is sourced from the Bureau of Meteorology Australian Satellites