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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Winter storms soak southeast Queensland

11:42 EST

Out-of-season thunderstorms brought more than 100mm of rain to parts of southeast Queensland during the last 24 hours.

Glimmer of hope for some NSW farmers as agricultural production plummets

06:16 EST

As much of New South Wales continues to battle drought, farmer Anthony Nicholls counts himself as one of the lucky ones.

Soggy Sunday for Sydney

12:24 EST

Sydneysiders awoke to a soggy morning on Sunday as an offshore low pressure trough drove showers through the basin.