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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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Trusting in science pays off for farmers reaping better than average after a dry start

16:44 EDT

Aside from dirt, there's probably just one thing the rolling green fields of France have in common with the sun-baked paddocks of Australia.

Desert frogs come alive in Red Centre's outback following a week of heavy rains

13:31 EDT

Following a week of wet weather, native desert frogs are out in full vocal force in parts of central Australia.

Eastern Australia's missing heat challenges records in Tasmania, Victoria

09:45 EDT

Australia's eastern seaboard is experiencing a notably cool November this year, while a spell of late-spring heat is challenging records in the nation's southeast.