Ice Crystal Halos

Halo displays in the Czech mountains  on 26/27 December 2008

Halo displays in the Czech mountains on 26/27 December 2008

On 26 December, diamond dust halos were captured by webcams (Hydronet network) at Lysa hora in Krkonose (Giant Mountains). In addition to the more usual phenomena, there were helic arc, Tape infralateral arc and Wegener arc in the sub-area. The Parry orientation of crystals may indicate possible Hastings arc ( 1234567 ).

You can see all the photos from the west and south webcams located on Lysa hora at ( 8 ).

On the same day, at the same place Jiri Zujic also made observations. Note the parhelion legs ( 9 ).

One picture from the webcam, placed on Certova hora in Krkonose, shows 120° parhelion ( 10 ).

Martina Durasova observed at Bozi dar in Krusne hory (Ore Mountains) clear phenomena with weak Moilanen arc ( 111213 )

On 27 December, Jiri Simek also observed diamond dust halos from Lesni bouda in Krkonose ( 14 )

These pictures from Humlnet webcam in Pec pod Snezkou in Krkonose, show a high pillar caused by halogen lamp from passing car ( 15http://www.ian.cz/redsys/upload/838302-964647.gif“>16 )

Happy New Year 2009!

Text: Martin Popek, Monika Pacltova

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