Ice crystals above clouds dance and flash according to electric

New research indicates crown flashes—twisting columns of light above storm clouds—are from ice crystals rapidly moving.

Refraction through ice crystals hi-res stock photography and

Geotripper: Ice Crystals at Work in the Upper Atmosphere

Electrical Force Cloud: Rare Footage Of Ice Crystals' Electric

Cloud Physics

Ice Crystal - an overview

Bad Astronomy Ice Crystals Above Clouds Dance to the Tune of

Clouds, ice crystals and desert dunes

Clouds, ice crystals and desert dunes

Cloud - Wikipedia