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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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Snow falls on WA's Bluff Knoll for second time in weeks

15:52 EST

Snow has fallen in Western Australia's Stirling Ranges, including Bluff Knoll, for the second time in a matter of weeks, after a chilly night in the Great Southern.

Rural villagers facing food shortages as El Nino brings drought, frosts to Papua New Guinea

14:04 EST

While many Australian farmers are nervously waiting to see how a forecast El Nino may impact farm production, to the north, Papua New Guinea is already feeling its full force.

Farmers say debt a bigger threat than drought

13:43 EST

Debt is now a bigger problem than drought for some of Australia's farming families, who say they are making the radical call for removing their debt from banks and placing it with government.