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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 end to the week in southeastern Australia

11:12 AEDT Widespread showers and thunderstorms will affect Australia’s southeastern states and territories during the second half of this week.

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