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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.

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Weather News

'Weather nerd' and social media celebrity joins Victoria's list of unsung Bureau of Meteorology heroes

16:16 EDT

Jono Ingram might refer to himself as a 'weather nerd', but to Donald locals in western Victoria, he is an online celebrity.

Low flows hit northern Tasmanian irrigators

12:26 EDT

The drying effect of El Nino is restricting irrigation in northern Tasmania.

Another round of heat to finish up Spring

11:36 EDT

Extreme heat has been affecting New South Wales again this week just ahead of a cooler change.