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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

Freezing Melbourne morning

09:44 EST

Jack frost visited most of Melbourne this morning, with the Airport experiencing its coldest May morning in 26 years.

Nappa Merrie property wants 10,000 cattle to restock after rain

07:53 EST

One property in far western Queensland wants to double its cattle numbers, to get back up to 10,000 head.

Record hot temperatures around Darwin stopping most mango trees from flowering

18:04 EST

The Top End of the Northern Territory is having one of its hottest May's on record, which is causing issues for a number of mango plantations.