I posted a cropped version of this photograph here a few days back, but realized later that by cropping out the strip of landscape at the bottom of the scene, you can't get a sense of how large this circumhorizontal arc actually was--or the fact that it didn't really arc. So here are two more photographs and a word of advice to cloudspotters with skyward cameras: include a strip of landscape or cityscape in the bottom 1/4 or 1/3 of your photographs for scale and context.

Next Blog: Psychogenic Lacrimation (aka Emotional Tears) and how they differ from other kinds of tears and what, perhaps, tears have in common with raindrops and condensation nuclei. This is just what happens when you are writing a book on clouds.