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Weather Glossary - Other

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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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Roads closed after flooding in WA's South West

ABC image 18:38 EST Roads have been closed due to flooding and a river burst its banks in Western Australia's south as a storm front swept across the region.

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