This is the first circumzenithal arc I've seen in summer, and it was probably 100 degrees F when I took the photo. Though it was hot on the ground, there was plenty of ice crystals aloft to make this arc.
jg
Monday, August 13, 2012
Parhelia at Julian Starfest, 17 Aug 2012
This Friday I'll be presenting at the Julian Starfest. My topic is parhelia, like this circumzenithal arc (below) I observed this afternoon around 5:45. My presentation is at 7:00 pm, 17 August, at the Menghini Winery in Julian. More information about this 4 day event is available at the www.julianstarfest.com.
This is the first circumzenithal arc I've seen in summer, and it was probably 100 degrees F when I took the photo. Though it was hot on the ground, there was plenty of ice crystals aloft to make this arc.
jg
This is the first circumzenithal arc I've seen in summer, and it was probably 100 degrees F when I took the photo. Though it was hot on the ground, there was plenty of ice crystals aloft to make this arc.
jg
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