46° halo on snow surface in Juva
On 22nd March Jari Piikki photographed a 46° halo on snow surface. He took 20 photos and stacked them to come up with a photo above. The sky is from a single frame.
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Two halo days in the northern part of the Czech Republic
At the weekend of 15 – 16 March, observers in the northern part of the Czech Republic had some opportunity to see rare halo phenomena. On 15 March, in the afternoon, fine cirrostratus came from the west, and subsequently bright…
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22° halo on snow surface
Sirkka Sario took this photo in Lake Jerisjärvi, Muonio, on 5 March. Another photo is also provided ( 1 ).
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Name change
Although our blog name “Halo Reports” had served reasonably well all these years, we felt it is time for a change. The blog is now “Ice Crystal Halos”. The new name goes straight to the core of the things and…
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Distinction of 22, 23 and 24° halos from snow surface
A broad 22° halo is observed in most odd radius displays. One factor explaining the broadness can be simultaneous occurrence of 22, 23 and 24° halos, or any combination of two of these halos. As we know, separation between 22°…
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Two diamond dust displays near Moscow
On 21 February ice crystals filled the air in Rumyancevo, a suburb of Moscow, and a halo display with relatively strong Moilanen arc was photographed by Alexandr Yakovlev. One of the photos, with unsharp mask enhancement, is shown above. Another…
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Diamond dust display in Dolni Morava
On 29 December 2007, Radomir Vondra observed a complex diamond dust display above an inversion cloud layer. He was walking to the ski slope in the village of Dolni Morava, when he saw the halos between 12:30 and 13:00. The…
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ESEM column crystal photo
Column crystals are a dime a dozen, but the ones shown here are nicely positioned and thus unusually revealing. Although we were collecting atmospheric crystals at the time, these monsters are probably frost crystals from the dewar mouth that fell…
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Moilanen arc in Zaton, Sumava mountains
On 3 February, Milan Osecky observed a diamond dust display with sharp Moilanen arc by the village of Zaton. The halo was seen during sunrise, when the Sun was about 4° above the horizon. The phenomenon lasted approximately 8-10 minutes,…
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Reflection subsun in California
On 1 February, Steve Sumner in Auburn, California, observed a peculiar phenomenon in the sky. A bright elongated spot, which was apparently not lit directly by sun rays, occurred in front of an Altocumulus cloud. In the photo the Sun’s…
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