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 South Burnett landholder says a series of narrow storms flattened fences, uprooted trees and damaged infrastructure at the weekend.
A regional photographer says weekend storms brought "awe inspiring" images, but his thoughts were with the farmers who experienced massive damage.
A cold front is directing a gusty change across South Australia, whipping up dust and pre-existing fires.