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1999/12/11 15:20 EST, Sun altitude: 13 degree 8 minute. This halo display features some less common halos, including a Parry arc, a possibly Parry infralateral brightening, and a 46 degree halo. The display also includes a 22 degree halo, two parhelia, a upper tangent arc, and a circumzenith arc.
Ross Park Mall, Pittsburgh. I was in a car moving with the traffic, and thus couldn't get a static view. So the images are incomplete mosaics. 15 minutes later when we finally got to a parking lot, the halos were gone. Images taken with Sony camcorder.
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sketch of the halo display |
![]() 1 circumzenith arc and 46 degree halo |
![]() circumzenith arc, 46 degree halo, Parry arc, upper tangent arc, 22 degree halo |
![]() 2 brightening on 46 degree halo. Parry infralateral? |
![]() 3 upper tangent arc, 22 degree halo |
![]() 4 upper tangent arc, 22 degree halo, parhelia |
![]() 5 22 degree halo, brightening on 46 degree halo. |
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