Yesterday, viewing a comment on Twitter, Dr. Tanya Harrison stated that the “orographic cloud” is over this volcano specifically because of the season, since it is in the southern hemisphere. During the boreal summer, when the atmosphere contains more steam, we can see clouds like this over all the large volcanoes (see https://twitter.com/tanyaofmars/status/1054436222016217088).
Since I personally have only seen Arsia Mons produce such narrow and long plumes, I commented asking to show me other plumes produced by the other volcanoes.
Kindly, Dr Tanya Harrison replied sending me this beautiful photo taken in early 2000 by the Mars Global Surveyor portraying the region of Tharsis (see https://twitter.com/tanyaofmars/status/1055216374123913216).
What do you think about it? Plumes galore!!!
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