Tag Archives: clouds

Flumen

Cloud of the Day – Flumen Flumen, from the Latin flumen, a noun meaning river, is another of the new cloud types included in the World Meteorological Organization’s fifth edition of their venerable Cloud Atlas, published in 2017. It’s the … Continue reading

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Volutus

Cloud of the Day – Volutus Volutus, from the Latin volutus, which means rolled, is a species of cloud (yes, they actually come in species, and genera too) that the World Meteorological Organization (WMO) recently added to the latest edition … Continue reading

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Edvard Munch and Nacreous Clouds

Did Edvard Munch paint nacreous clouds? The hypothesis was put forward by Norwegian scientists at the European Geosciences Union General Assembly in Vienna this spring (2017.) The long-held assumption is that the vividly colored sky in The Scream (1893) is … Continue reading

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International Cloud Atlas

Cloud of the Day – International Cloud Atlas The International Cloud Atlas has recently published a new edition, the first in thirty years. The 2017 edition is only the fifth one, with the first coming out in 1939, so it’s … Continue reading

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Diamond Dust

Cloud of the Day – Diamond Dust It is really hard to find good pictures of diamond dust, so I’m going to have to just describe it to you. Diamond dust is a colloquial name given to ice crystals when … Continue reading

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Valley Cloud

Cloud of the Day – Valley Cloud In my valley winters are often visited by a phenomenon called valley cloud. Those days are clear and sunny, except in the valleys. If you’re up on the slopes you’re likely to see … Continue reading

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Glory – An Optical Meteorological Phenomenon

Cloud of the Day – Glory Glory is an optical phenomenon which has become much more commonly observed since the rise of widespread flight. Glory is seen in clouds or mist when the Sun (or rarely the Moon) is directly … Continue reading

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Fall Streak Hole

Cloud of the Day – Fall Streak Hole A fall streak hole can appear in altocumulus or cirrocumulus cloud. It looks as if part of the cloud just fell out, leaving a hole. Often you can see streaks of ice … Continue reading

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Cirrus Vertebratus

Cloud of the Day – Cirrus Vertebratus Cirrus vertebratus gets its name from its appearance. It resembles a vertebral column, or a fish skeleton with ribs radiating away from the spine. It’s really only given a name of its own, … Continue reading

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Ralph A Croning Photography

Ralph Croning is a photographer, and a good one. I used one of his photos in a post on noctilucent clouds. You might remember it. Ralph was kind enough to comment on that post, and that led me to his … Continue reading

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