cirro-cumulus

cirro-cumulus

Cirro-cumulus clouds drift high in the pale blue sky.

Definition
  1. Noun:
    • A type of cloud: "cirro-cumulus" refers to a high-altitude cloud formation that appears as small, white, rounded patches arranged in patterns or layers, often resembling a mackerel sky. It is a combination of cirrus and cumulus cloud characteristics.
Usage Examples
  • (High-altitude cloud patches suggesting stable atmospheric conditions.)
  • (Traditional weather lore associates these clouds with changing weather.)
Advanced Usage

  • "cirro-cumulus cloud layer": a specific meteorological term for a continuous sheet of these clouds.

    • The meteorologist noted a cirro-cumulus cloud layer at 20,000 feet. (A horizontal band of these clouds at high altitude.)

  • "cirro-cumulus castellanus": a subtype with turret-like protrusions, indicating instability.

    • The appearance of cirro-cumulus castellanus suggests potential thunderstorm development. (A more turbulent variant of the cloud type.)
Variants and Related Words

  • Cirrus (n): a high-altitude cloud with thin, wispy strands.

    • Thin cirrus clouds often precede a warm front. (A related cloud type.)

  • Cumulus (n): a low-altitude, fluffy cloud with a flat base.

    • Cumulus clouds develop on sunny afternoons. (A related cloud type.)

  • Altocumulus (n): a mid-altitude cloud similar in appearance to cirro-cumulus but lower.

    • Altocumulus clouds are often mistaken for cirro-cumulus. (A similar cloud type at a different altitude.)
Synonyms

  • Mackerel sky: a colloquial term for a sky covered with cirro-cumulus clouds, resembling the scales of a mackerel fish.

    • The mackerel sky this morning hinted at rain later. (A descriptive synonym.)

  • High-level cumuliform cloud: a technical synonym for cirro-cumulus in meteorological classification.

    • High-level cumuliform clouds like cirro-cumulus are composed of ice crystals. (A formal synonym.)
Related Idioms

  • "Mackerel sky, mackerel sky, not long wet, not long dry": a traditional weather proverb referencing cirro-cumulus.

    • The old sailor quoted the proverb about the mackerel sky. (A folk saying about the cloud's weather implications.)

  • "Clouds like scales": a poetic description of cirro-cumulus.

    • The clouds like scales stretched across the horizon. (A metaphorical idiom for the cloud's appearance.)