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Weather Glossary - Z

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Zephyr

A light, warm breeze. Derived from Zephryros, the personification by the ancient Greeks of the warm west wind that was thought to prevail around the time of the summer solstice.

Zonal flow

Large-scale atmospheric flow in which the east-west component (i.e., latitudinal) is dominant. The accompanying meridional (north-south) component often is weaker than normal. Compare with meridional flow. Weather systems tend to move past quickly in a zonal flow regime.

Zulu

Greenwich Mean Time (GMT). Centred on zero degrees longitude. For scientific purposes this time zone is also known as Universal Time (UTC). All meteorological observations worldwide are reported using this time (for ease of comparison and computation). This timezone is commonly suffixed with 'Z'.

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Weather News

Tasmania floods: Recovery money targets farmers, small businesses

15:34 EST

Interest-free loans for up to two years are among extra flood assistance detailed for Tasmanian farmers and businesses.

Lorinna residents still relying on barge after floods cut road access

12:58 EST

Almost three weeks after the devastating floods in north-west Tasmania, there is still no road access for the small community of Lorinna.

Mild wake up for the Northern Territory

12:52 EST

From southwest WA to the eastern seaboard, overnight temperatures plummeted well below average on Sunday morning.