So, it’s maybe not the best example of a lenticular cloud, but they’re rare enough that seeing one is interesting. They’re usually formed, the pedia of wiki tells me, as standing waves over mountains, and indeed, this cloud stood approximately over the Moosic Mountains that border Pennsylvania’s anthracite valley on the east.

Figure 1. Modest lenticular cloud over Scranton, PA. Photo: author.

I looked out my window by chance after teaching today and noticed the cloud. It might have been quite impressive 10 minutes earlier, but by the time I looked up the cloud was breaking up and quite modest. Still, as Augustus might have said, contenti simus hoc Catone. I took two photos maybe ten seconds apart, and number two, not shown here, is notably diminished.

Figure 2. World-class lenticular cloud. NASA. Public domain. Wikimedia Commons.

As a reward I offer you figure two, a Nasa image of a world-class lenticular cloud over Scott Base in the Antarctic (with a pressure ridge in the foreground as a bonus).

Nikon Z 7ii with Nikkor Z 24-200 mm f/4-6.3 lens.

Figure 1. 52 mm, f/8, ISO 100, 1/640 s.

Edited Apple Photos.

Published by gsb03632

A college professor living in Scranton, PA

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