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540 line

Indicates the 540 decametre line on the 1000-500 thickness chart. Often used as a rough guide to determine when an airmass is cold enough to produce snowfalls on the Australian southern alpine areas.

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Tasmanian cattle farmers fear 'catastrophic' floods as farms inundated by too much water

09:22 EDT

Andrew Kay has an unusual complaint — his farm is too wet.

Major stimulus package for drought-affected regions set to be approved by Federal Government

09:16 EDT

Drought-stricken towns will be the target of federal stimulus potentially worth hundreds of millions of dollars under a program designed to support regional communities enduring hardship.

Satellite captures rarely-seen atmospheric gravity wave phenomenon off WA's north

08:22 EDT

Satellite images have captured a usually invisible phenomenon known as atmospheric gravity waves pulsing through clouds off Western Australia's north-west.