Category Archives: Phenomena

What are the Northern Lights?

Posted on March 20, 2011 by Weather Guys Editor

The northern lights, also called aurora borealis, are an evening light show seen as a diffuse glow or as overlapping curtains of greenish-white and sometimes red light. Auroras are triggered when the surface of the sun ejects a cloud of gas, called a coronal mass ejection. Continue reading →

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What is Diamond Dust?

Posted on January 9, 2011 by Weather Guys Editor

Diamond dust is a cloud composed of tiny ice crystals that forms near the ground. It is often reported under clear sky conditions and so is also known as ‘clear-sky precipitation.’

The formation of diamond dust requires . . . Continue reading →

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