Ball lightning is an unexplained and potentially dangerous atmospheric electrical phenomenon.
The term refers to reports of luminescent, spherical objects that vary from pea-sized to several meters in diameter. Scientific data on natural ball-lightning remains scarce, owing to its infrequency and unpredictability. Though usually associated with thunderstorms, the phenomenon lasts considerably longer than the split-second flash of a lightning bolt.
Laboratory experiments can produce effects that are visually similar to reports of ball lightning, but how these relate to the natural phenomenon remains unclear.
Laboratory experiments can produce effects that are visually similar to reports of ball lightning, but how these relate to the natural phenomenon remains unclear.
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