crest cloud: meaning, definition, pronunciation and examples
C2 / Very low frequency, specializedTechnical (Meteorology), Literary
Quick answer
What does “crest cloud” mean?
A stationary, lens-shaped cloud that forms on the downwind side of a mountain or hill crest, often indicating strong winds aloft.
Audio
Pronunciation
Definition
Meaning and Definition
A stationary, lens-shaped cloud that forms on the downwind side of a mountain or hill crest, often indicating strong winds aloft.
Any cloud formation appearing to crown or cap a mountain peak, sometimes used metaphorically to describe a distinctive, culminating, or crowning feature.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The term is used identically in meteorological contexts in both varieties.
Connotations
In both varieties, it carries precise scientific connotations. In literary use, it may evoke imagery of majesty, isolation, or natural drama.
Frequency
Extremely rare in general discourse. Slightly more likely to appear in UK texts describing mountainous regions (e.g., Scotland, Lake District) due to geography.
Grammar
How to Use “crest cloud” in a Sentence
[The/A] crest cloud [verbs: formed, appeared, clung, hovered] on/over [mountain name/peak].We saw a classic crest cloud [prepositional phrase: on Ben Nevis, forming in the lee wave].Vocabulary
Collocations
Examples
Examples of “crest cloud” in a Sentence
verb
British English
- The summit began to crest cloud as the westerly strengthened.
- It's cresting cloud over the Glyders now.
American English
- The peak is cresting cloud, indicating strong winds aloft.
- We watched the mountain crest cloud in the late afternoon.
adverb
British English
- Not applicable as a standard adverb.
American English
- Not applicable as a standard adverb.
adjective
British English
- The crest-cloud formation was a textbook example of lee waves.
- We observed crest-cloud dynamics.
American English
- The crest-cloud phenomenon is common in the Rockies.
- A detailed crest-cloud study was published.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Used in meteorology, physical geography, and environmental science papers discussing orographic precipitation and mountain weather phenomena.
Everyday
Extremely rare. Might be used by hikers, mountaineers, or aviation enthusiasts describing specific weather conditions.
Technical
The primary domain. Used in weather forecasts for mountainous areas, aviation weather briefings, and scientific descriptions of cloud physics.
Vocabulary
Synonyms of “crest cloud”
Strong
Neutral
Weak
Vocabulary
Antonyms of “crest cloud”
Watch out
Common Mistakes When Using “crest cloud”
- Confusing it with general 'storm clouds' or 'rain clouds'. A crest cloud is specifically stationary and formed by wind interacting with terrain, not necessarily a precursor to precipitation.
- Misspelling as 'crest cloud' without the space (should be two words).
FAQ
Frequently Asked Questions
They are closely related. A crest cloud is a type of orographic cloud that forms on a mountain crest. Lenticular clouds are the smooth, lens-shaped clouds often formed in the same process (lee waves). A crest cloud can be lenticular in shape, but the term specifies its location.
A true crest cloud is essentially stationary. It forms and persists in one place as air continuously flows through it. If it moves away from the crest, it is no longer a crest cloud.
No. It is a highly specialized term. For general weather descriptions, terms like 'cloud on the mountain' or 'mist on the peak' are perfectly adequate.
No, it can form on any significant topographic obstacle, including hills and ridges, provided the wind speed and atmospheric moisture are suitable.
A stationary, lens-shaped cloud that forms on the downwind side of a mountain or hill crest, often indicating strong winds aloft.
Crest cloud is usually technical (meteorology), literary in register.
Crest cloud: in British English it is pronounced /ˈkrɛst ˌklaʊd/, and in American English it is pronounced /ˈkrɛst ˌklaʊd/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None directly. Figurative: 'a crest cloud of doubt' (a looming, specific worry).”
Learning
Memory Aids
Mnemonic
Imagine a knight's helmet CREST; the plume is the CLOUD sitting stationary on top of the mountain's crest.
Conceptual Metaphor
A CROWN/HELMET (the cloud is a decorative, defining feature atop the mountain).
Practice
Quiz
What is the primary cause of a crest cloud?