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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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Rivers down and cruises cancelled as Kakadu National Park swelters through one of its driest wet seasons on record

14:34 EDT

The World Heritage-listed Kakadu National Park is suffering through one of its driest wet seasons on record.

Flash flooding swamps parched Townsville

13:54 EDT

A powerful band of severe thunderstorms swept through Townsville on Monday evening, with rain rates in excess of 100mm per hour.

Dry spell to continue for the Top End

13:53 EDT

After a brief monsoonal burst of rain at the beginning of January for central parts of the Northern Territory, the Top End continues to miss out on the heavy falls.