Though sun halos can happen year-round, they are especially noticeable in the winter when ice-filled cirrus clouds are more common.
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If There's a Ring Around the Sun, Find Shelter!A mysterious halo around the sun isn’t just a beautiful sight—it could be a warning. Learn the science and ancient beliefs behind this rare phenomenon and why it might signal an approaching storm.
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Gloucestershire in pics: Sun halos and rainbowsA cool sight: Thank you to Adam for sending through this 'sun halo' over Leckhampton Hill. Halos are caused by ice crystals in the air which are usually associated with high-altitude cirrus clouds.
Hong Kong on Tuesday witnessed a rare natural phenomenon, a halo around the sun, that can be experienced only when meteorological conditions are right. The Observatory posted pictures on its ...
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