Perlucidus (cloud variety): Difference between revisions
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Perlucidus is a cloud variety that generally appears in only two cloud types, with those cloud types being [[Altocumulus cloud|altocumulus]] and [[Stratocumulus cloud|stratocumulus]], this cloud variety is easily recognizable, with its appearance being small gaps showing up in one of the cloud types that it shows up in, which let higher clouds be seen<ref>https://cloudatlas.wmo.int/en/clouds-varieties-perlucidus.html</ref> |
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{{Infobox Cloud |
{{Infobox Cloud |
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|name=Perlucidus |
|name=Perlucidus |
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|abbreviation=pe |
|abbreviation=pe |
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|symbol= |
|symbol= |
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|genus=stratocumulus, |
|genus=stratocumulus, altocumulus |
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|species= |
|species= |
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|variety=perlucidus |
|variety=perlucidus |
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|altitude_m= |
|altitude_m=500-7,000 |
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|altitude_ft= |
|altitude_ft= 2,000-23,000 |
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| level = mid |
| level = mid |
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|appearance=Cloud cover with small gaps that make higher cloud types be visible |
|appearance=Cloud cover with small gaps that make higher cloud types be visible |
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|precipitation=Depends on the cloud type this variety is appearing in |
|precipitation=Depends on the cloud type this variety is appearing in |
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}} |
}} |
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'''Perlucidus''' is a [[Cloud|cloud variety]] that generally appears in only two cloud types, those being [[Altocumulus cloud|altocumulus]] and [[Stratocumulus cloud|stratocumulus]]. Perlucidus cloud is easily recognizable by the small ubiquitous gaps that let higher clouds be seen.<ref>{{Cite web|url=https://cloudatlas.wmo.int/clouds-varieties-perlucidus.html|title=Perlucidus|website=International Cloud Atlas}}</ref> It forms when shallow [[convection]] starts in a cloud layer that did not previously have perlucidus variety characteristics.<ref>{{Cite web|url=https://www.backyardnature.net/yucatan/altocumu.htm|title=ALTOCUMULUS PERLUCIDUS CLOUDS|website=www.backyardnature.net}}</ref> The gaps between the cloud indicate regions where air is sinking.<ref>{{Cite web |date=2014-01-02 |title=Stratocumulus: These low, lumpy cloud layers form below 6,000 feet and can appear in rows, patches or as rounded masses with blue sky in between the cloud elements. The color of stratocumulus clouds can range from white to dark gray. Precipitation rarely falls from stratocumulus clouds. The individual cloud elements form where the air is rising while the blue sky in between the cloud elements indicates sinking air. |url=http://usatoday30.usatoday.com/weather/wstratus.htm |access-date=2022-02-04 |website= |archive-url=https://web.archive.org/web/20140102200113/http://usatoday30.usatoday.com/weather/wstratus.htm |archive-date=2 January 2014 |url-status=dead}}</ref> This cloud variety may appear either as a [[Translucidus (cloud variety)|translucent]] cloud or an [[Opacus (cloud variety)|opaque]] cloud. |
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== See also == |
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* [[Opacus (cloud variety)]] |
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* [[Translucidus (cloud variety)]] |
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==References== |
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{{reflist}} |
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{{Cloud types}} |
{{Cloud types}} |
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[[Category:Cloud types]] |
[[Category:Cloud types]] |
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[[Category:Orphaned articles from November 2021]] |
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{{Cloud-stub}} |
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Latest revision as of 08:05, 2 February 2024
| Perlucidus | |
|---|---|
 Altocumulus perlucidus | |
| Abbreviation | pe |
| Genus | stratocumulus, altocumulus |
| Variety | perlucidus |
| Altitude | 500-7,000 m (2,000-23,000 ft) |
| Appearance | Cloud cover with small gaps that make higher cloud types be visible |
| Precipitation | Depends on the cloud type this variety is appearing in |
Perlucidus is a cloud variety that generally appears in only two cloud types, those being altocumulus and stratocumulus. Perlucidus cloud is easily recognizable by the small ubiquitous gaps that let higher clouds be seen.[1] It forms when shallow convection starts in a cloud layer that did not previously have perlucidus variety characteristics.[2] The gaps between the cloud indicate regions where air is sinking.[3] This cloud variety may appear either as a translucent cloud or an opaque cloud.
See also
[edit]References
[edit]- ^ "Perlucidus". International Cloud Atlas.
- ^ "ALTOCUMULUS PERLUCIDUS CLOUDS". www.backyardnature.net.
- ^ "Stratocumulus: These low, lumpy cloud layers form below 6,000 feet and can appear in rows, patches or as rounded masses with blue sky in between the cloud elements. The color of stratocumulus clouds can range from white to dark gray. Precipitation rarely falls from stratocumulus clouds. The individual cloud elements form where the air is rising while the blue sky in between the cloud elements indicates sinking air". 2014-01-02. Archived from the original on 2 January 2014. Retrieved 2022-02-04.
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