Weather Glossary - Z
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.
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'.
A man's body has been found in floodwaters near Monto in Queensland's north Burnett this morning.
Fire danger is set to rise as Perth and many western parts of Western Australia are experiencing what could be a record breaking summer heat wave.
A deep low pressure trough has brought heavy rain and storms to central parts of the Queensland coast.