There was a halo around the moon last night - sure sign of rain. And guess what? I woke to the sound of rain falling, lay in bed listening to God's great gift from the skies being delivered in gentle drops. Bruce Ward alerted me to a website that does a 10 day prediction on precipitation all around the world. Check it out - http://www.wxmaps.org/pix/prec7.html
The halo around the moon is formed by water crystals from forming cirrus clouds which portend rain, according to a site i visited. It is the result of ice crystals refracting the light of the moon when high, thin cirrus clouds made up of millions of these crystals lurk up in the troposphere. The light enters into the hexagonal-shaped ice crystals and is bent before passing out another side of the crystals, causing a ring of light to appear around the moon.
According to folklore, a moon halo indicates that wet weather is due within 24 to 48 hours because the halo is usually caused by high-altitude cirrus clouds that precede a warm front and a storm.
Magic!
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