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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Mad Monday: severe storms to strikes Vic, NSW, Qld and NT

10:42 EST

A broad area of severe thunderstorms will affect three states in eastern Australia on Monday, with damaging winds one of the main threats with these fast-moving storms.

More rain to come for outback Queensland after wet weekend

08:36 EST

An outback Queensland cattle station has had its wettest day in 10 years after a storm cell swept through the area dumping 128 millimetres on the weekend.