Halo Phenomena

In addition to the 22° halo and the sun dogs, a wide variety of other arcs or halo phenomena occur around the sun in cold climates as a result of ice crystals in the air.

Photo by Clay S. Turner. Used by permission.

22° haloSundogs (parhelia)Other halo phenomena
Index

Atmospheric optics concepts

References
Greenler

Schaaf
 
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