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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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Stormy weather sparks scrub fire and damages homes across SA

19:34 EDT

Wild weather has eased across South Australia but thousands of homes remain without power after wind gusts brought down trees and power lines, forcing the closure of major roads.

Curious Hobart: Does Hobart get the most sunlight hours of any state capital?

17:13 EDT

Does Hobart get the most sunlight hours of any state capital? ABC Hobart has been tasked with investigating this question, sent in by Alex Newman.

Deluge continues across south-east Queensland as drought-stricken farmers hope for more

16:59 EDT

The sodden weekend across south-east Queensland has delivered some remarkable rainfall totals, with Noosa Heads on the state's Sunshine Coast recording almost half-a-metre of rain.