A rare and controversial phenomenon in which a small glowing sphere of light is witnessed usually for a short time. Ball lightning is notoriously difficult to observe and measure given its unpredictability and there are still a lot of unanswered questions as to how it forms and why.
Stories and sightings
Most reports of ball lightning come from members of the public. In one particularly notable case a woman named Kitty Cox was out walking her dog in Scotland in 1966 when following a lightning strike she witnessed what she described as a 'luminous orange ball' drifting towards her. The ball went past her very rapidly and was said to be 'hissing' with electrical charge.
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