Ice Crystal Halos

Halos were observed throughout Southern Finland. Above Jukka Ruoskanen’s photo, click to go his site. Photos by others: Jari Luomanen Mika Aho Marko Riikonen

Mónika Bodó photographed these odd radius halos on a flight from Amsterdam to Budapest on 20 June. The display lasted about 7-8 minutes and was observed during the descent to Budapest. Further photos are available in Mónika’s album ( 1…

This photo of 18° and 23° rings and their arcs was shot by Michael Ellestad on 1 June 2009.

This display was on when I woke up. It did not last long and was also plagued with lower clouds. I did not have mirror and could not see Wegener arcs, which are present in 3 minutes stack above.

This display appeared today treacherously from behind Ac clouds. It did not last long, as Ac came to veil it again. 14 frames stack from 5 minutes.

On 27th of April 2009 during the hours before noon an almost complete 23° ring was visible and also both 18° lateral arcs. All halos were visible without sunglasses. The cirrus was very dense. I know days when pyramidal halos…

On 18 March, nice halo phenomena with complete and bright parhelic circle and Wegener’s anthelic arc were seen in Germany, Austria, Switzerland and France. The extent of the area where the Wegener was observed is remarkable! Some of my own…

On the way home from work I photographed a bright elliptical halo ( 1 ). Later on as winds from a cold front pushed a lot of low level cumuliform clouds away and I was on the state route when…

Lowitz arcs were first observed by Tobias Lowitz in 1790. Ever since, these arcs have been observed by numerous observers ( 1 ). These particular arcs were photographed on February 19 in Finland.