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

Cold front to impact the southeast on Monday

12:36 EST

A cold front will cross lower parts of the southeast of Australia on Monday, bringing strong winds, cooler temperatures, showers and the odd storm.

Early hour storms in NSW

12:05 EST

Whilst vast areas of NSW had a quiet night last night, the North West Slopes and Plains had a livelier affair, with a low pressure trough bringing storms and heavy showers.

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