A white spot appearing at times in the parhelic circle . White parhelia are believed to form from light that is reflected off of atmospheric ice crystals; colored parhelia are believed to form from light that is refracted by atmospheric ice crystals. Multiple parhelia can often be seen simultaneously.
a bright spot on the parhelic circle; caused by diffraction by ice crystals
Find another word for sundog. In this page you can discover 2 synonyms, antonyms, idiomatic expressions, and related words for sundog, like: parhelion and mock sun.