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.
Victims of Cyclone Winston in Fiji are struggling to rebuild their lives six months after the category five storm devastated large parts of the country.
Perth could see the heaviest rain in more than a month tonight as a late-winter front hits the southwest.
For people living in outback Queensland, the impact of the ongoing drought can be seen everywhere.