Altostratus
Definition
A genus of middle-altitude clouds (situated between 2000 and 6000 meters), characterized by a uniform, striated, or fibrous cloud sheet or layer of gray or bluish color, partially or totally covering the sky, allowing the Sun or Moon to be dimly seen as through ground glass, without generating a halo phenomenon.
Bilingual Equivalents
- Altostratus
- Altostratus clouds
Grammatical & Source Details
| Inflection Type | Masculine noun, often invariable in structural plural, keeping its Latin scientific standard form. |
| Formation | International scientific loan compounded from Latin 'altus' (high/mid-level) and 'stratus' (sheet/layer). |
| Spelling / Pronunciation | [ˌæl.toʊ.ˈstrɑː.təs] |
| Source | International Cloud Atlas of the World Meteorological Organization |
Contextual Usage Examples
RO: Cerul a devenit plumburiu pe măsură ce un strat gros de nori altostratus a blocat lumina directă a Soarelui.
EN: The sky turned leaden as a thick layer of altostratus clouds blocked the direct sunlight.
RO: Spre deosebire de cirrostratus, formațiunea de tip altostratus nu produce umbre la sol și nici halouri solare.
EN: Unlike cirrostratus, the altostratus formation does not produce shadows on the ground or solar halos.
RO: Nori de tip altostratus opacus pot genera ploi slabe, dar persistente, sau ninsoare măruntă pe arii extinse.
EN: Altostratus opacus clouds can generate light but persistent rain, or fine snow over extended areas.
Idioms & Phrases
Altostratus opacus / Altostratus opacus
RO: Varietate de nori altostratus suficient de densă și opacă pentru a masca complet poziția Soarelui sau a Lunii.
EN: A variety of altostratus clouds dense and opaque enough to completely mask the position of the Sun or Moon.
Altostratus translucidus / Altostratus translucidus
RO: Strat noros subțire prin care conturul Soarelui se poate distinge vag, ca prin fața unei sticle șlefuite.
EN: A thin cloud layer through which the Sun's outline can be vaguely distinguished, as if through ground glass.
Pânză de altostratus / Altostratus sheet / deck
RO: Acoperire noroasă masivă și orizontală de etaj mediu, extinsă adesea pe mii de kilometri pătrați în fața unui front atmosferic cald.
EN: A massive, horizontal mid-level cloud cover, often extending over thousands of square kilometers ahead of a warm front.
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