Does the moon exert an influence on cloud formation?

29 July 2007

Question

The moon has an impressive influence on large bodies of water and makes tides, does the moon exert an influence on cloud formation?

Answer

It is unlikely that it has an influence on individual clouds, as the tides are a tiny effect (they only alter the height of an ocean by less than 0.1%) but they may affect the whole atmosphere slightly by affecting the atmospheric pressure slightly. But the moon is unlikely to make much difference on an individual cloud.

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