Ice Crystal Halos

Some ten years ago or so my friends and I went though Finnish Meteorological Institute automatic northern light camera films in search for moon halos. At that time I considered the northern lights as unnecessary noise that disturbed the distinction…

A superb halo complex was observed by Petr Kousal on December 25, 2007 in community of Prichovice. He observed 22° halo, parhelia, pillar and also bright upper tangent arc with sunvex Parry arc. Except for these quite frequent phenomena he…

In Czech mountains Ivo Bartos observed diamond dust halos on December 23, 2007 near ski area of Paprsek, which is situated in the highest Moravian mountains. From 2 to 5 pm he most of the time observed sun pillar and…

While at work prior to leaving I was outside and happened to look up and saw nice wide tangent arc spreading out. Inside it was a convex Parry, the first decent one since 2000. As I watched and shot photos…

On December 23, 2007 (1:40 – 3:50 pm) Ladislav Nyc observed during his afternoon walk bright halos in diamont dust. When he went up from inversion cloudiness to see sunrays, on the hill of Pansky Vrch a great spectacle came…

On December 23, 2007 from 6 to 7 p.m. local time Lubos Brat observed bright Moon halo complex. 22° halo, complete paraselenic circle, upper and lower tangent arcs and circumzenital arc dominated the display (see a composite image). In addition…

This photo shows the diamond dust display near Mátraszentimre skiing resort in Hungary on 30th December and was taken by photographer Zsuzsanna Tóth. The snow guns were on, and the halo appeared in the early afternoon and lasted about an…

When I first saw photos by Vaclav Fego captured on December 22, 2007 in Vitkovice in Krkonose mountains I told myself just one thing – wow, that is amazing, I haven’t seen anything similar for a long time! On the…

A strange white faint arc appeared on December 17, 2007 on webcam in Pec pod Snezkou, Czech Republic, operated by Humlnet network. Because the webcam is oriented northward, there was a suspicion that at least anthelion could be captured on…

This 22° halo was seen on a thin snow layer which formed on a freshly frozen river from power plant induced precipitation and freezing mist. The dark area inside the 22° halo is prominent, indicating well developed solid crystals that…