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Everyday skies · genus

Cirrocumulus

A sky full of tiny scales

Spot it

Very small white grains or ripples, usually without shaded sides.

How it forms

Fine structure develops in a high cloud layer.

Read the sky

The pattern reveals structure aloft rather than a definite surface-weather outcome.

Where to look

Look high overhead for small, closely packed elements.

Little sky facts

  • Reveal fact 1

    Its elements usually look much smaller than altocumulus cloudlets.

  • Reveal fact 2

    The small grains are generally white.

  • Reveal fact 3

    Rows and ripples are common arrangements.

  • Reveal fact 4

    The pattern may occur alongside cirrus or cirrostratus.

Try this

Count the little ripples in one patch.

Draw your own cloud ↗

Read a little deeper

WMO International Cloud Atlas

Met Office · formation and weather

Conditions described here are places to look, not a global frequency ranking. Use local weather forecasts and warnings for decisions. Never look directly at the Sun.

Next sky story: Cumulonimbus →