Weather Glossary - X
The portion of the electromagnetic spectrum that has a very short wave length. It has a wavelength longer than gamma rays, yet shorter than visible light. X-rays can penetrate various thicknesses of all solids, and when absorbed by a gas, can result in ionization.
An inert gas that occurs at extremely low concentration in the atmosphere.
With another earthquake of 5.7 magnitude being recorded today near off the southern Queensland coast, meteorologists and oceanographers are keeping a wary eye on the potential for tsunamis.
A series of strong cold fronts which are moving in quick succession over southeastern parts of Australia threaten to bring low level snow over the coming days to parts of Tasmania.
Adelaide has recorded its chilliest July in close to 20 years, with both maximum and minimum temperatures colder than average.