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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

WA weather: Cold front, damaging winds forecast for South West

12:13 EST

A dangerous trough and cold front is approaching south-west Western Australia, the Bureau of Meteorology (BoM) has warned.

TAS set for a barrage of cold fronts

12:10 EST

While much of Australia's mainland sits under a high pressure system, it's a different story for Tasmania.

Hobart's Myer store to reopen in days despite 'devastating' stock loss and damage

11:15 EST

Most of Hobart's Myer store could be open within days but it faces "devastating" stock losses and damage, manager Peter Monachetti says.