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.
Queensland's Carpentaria is still flooding due to a stubborn Ex-Tropical Cyclone Alfred and will only slowly dry out as the system moves away.
Australia's energy operator has found power plant failures contributed to the unprecedented pressure on the New South Wales electricity grid during this month's heatwave.
Flying fox rescuers in Sydney are experiencing "the worst season ever" as a record number of bats get caught and injured in nets used to protect backyard fruit trees.