Post by krazydiamond on Apr 30, 2007 16:52:08 GMT -5
according to USA Today:
"The ring is a "halo" and it's caused by ice crystals in cirrus clouds bending the sun's light. Sometimes the clouds can be so thin you hardly see them. A halo can mean that rain or snow, depending on the season, is on the way because the high clouds could be the leading edge of an approaching extratropical cyclone or a warm front."
KD
"The ring is a "halo" and it's caused by ice crystals in cirrus clouds bending the sun's light. Sometimes the clouds can be so thin you hardly see them. A halo can mean that rain or snow, depending on the season, is on the way because the high clouds could be the leading edge of an approaching extratropical cyclone or a warm front."
KD
