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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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Seeding underway in southern WA

07:34 EST Patches of good rain in southern parts of Western Australia has got the tractors rolling and some grain farmers are starting to put in this year's crop.

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