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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

Farmers want more Federal Government enticements to insure crops against natural disasters

12:17 EST

Federal Government efforts to entice grain growers into insuring against disasters have failed to impress farmers.

Townsville Hospital emergency department sets record for patient numbers amid Cyclone Yasi

12:10 EST

Health experts say new research has found the Townsville Hospital in north Queensland set an Australian record in the number of patients treated in the aftermath of Cyclone Yasi.

Drought worries grow in Victoria, South Australia with some areas having lowest rainfall on record

17:22 EST

Rainfall totals are the lowest on record over the past year for parts of western Victoria and south-eastern South Australia, weather forecasters are warning.