Also known as cirrus spissatus cloud, Ci spi, cirrus densus, cirrus nothus, thunderstorm cirrus, false cirrus
cloud species unique to the genus cirrus, of such optical thickness as to appear grayish on the side away from the sun, and to veil the sun, conceal its outline, or even hide it
via Wikidata · CC0
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).