![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
These halos are caused by refraction of sunlight by ice crystals in the upper atmosphere. They occur 22 degrees from the sun and typically mean a depression is on the way. Seen a lot of them recently.
© 2021 Mike Crowle
Barbara Heide | 24-Jan-2009 12:13 | |