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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

NSW weather: Search for man missing in floodwaters as severe weather hits

21:00 EST

Witnesses saw a man being swept away after his vehicle went into floodwaters near Lismore in far north New South Wales, police say, as a heavy downpour and strong winds hit the state's coast.

Queensland farmers rejoice after late winter rain fills in gaps

16:57 EST

After receiving record-breaking rain in June and July, parts of western Queensland have received their best August rain in nearly 20 years.

Records tumble during Queensland rain event

16:22 EST

August temperature and rainfall records have been broken across Queensland today, some of which have been in place for more than a century.