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.
On the weekend wild winds battered South Australia, Tasmania and Victoria, toppling trees and bringing down powerlines and there is more of that on the way.
Vast areas of Queensland have experienced the hottest May night since records began, some of which stretch back to the 1800s.
For the majority of Australia April was warmer and drier than average.