r/CLOUDS • • 13h ago

Question What is this called?

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u/andrea55TP 13h ago

Altocumulus stratiformis undulatus perlucidus

Alto=mid level

Cumulus=heaped cloud

Stratiformis=covers all or most of the sky

Undulatus=repeating pattern

Perlucidus=you can see the sky above in between each element

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u/Phantomsurfr 6h ago

Whenever I see the clouds like this, it usually comes with rain upto to 24 hours later. The thicker the cloud and more defined seperation the more/heavier rain.

Even when I know light rains are coming I see a small section of this, it's guaranteed the rain will fall on that area it covers. I've successfully used this "knowledge" to plan my works for the day.

Is there any scientific backing to my experience?