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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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Tasmania set for another freezing night

18:19 EST The mercury is set to plummet tonight across parts of Tasmania, with some places possibly seeing their coldest night in around two years.

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