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Moon Halo Explained

9:25 PM, Jun 7, 2012   |    comments
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Greensboro, NC -- Often during the winter, before a winter storm, you may have spotted a ring or halo around the moon.

This halo around the moon is a result of high cloud cover which is comprised of tiny ice crystals. The cirrus clouds or high clouds with the tiny ice crystals refract the light coming from the moon. This refraction of the light then continues down to your eyes appearing as a halo around that moon.

Halos around the moon are possible any time of the year, but are more likely during the winter months when the atmosphere is colder and more conducive to forming ice crystals.

If you have a question about halos around the moon or a question about weather in general let us know. You can email the WFMY News 2 Weather Team at weather@wfmy.com.

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