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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Fires to fizzle thanks to biggest rain in months

16:39 AEST The biggest rain in months due to scatter across parts of Queensland and New South Wales later this week will be far from drought breaking, but it will improve air quality, help shrink bushfires and reduce fire danger for weeks to come.

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