by Linda Sweger
Image ©Linda Sweger, shown with permission.
"I captured this
colorful icy sun halo display on Good Friday about 60
minutes before Sunset as we were driving home from Dauphin Co. in Central
Pennsylvania. These clouds were the leading edge of a minor snow event
the next morning."
A 22° halo circles the sun and is topped by an upper tangent arc. Bright
areas to the sun's left and right might be tall sundogs produced by
plate crystals with large tilts. They could also simply be bright parts of
the 22° halo. It's hard to say.
Key to frequent halos