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Fallstreak hole formed over upper North Island

The rare 'Fallstreak hole' formation appeared in a group of cirrocumulus clouds this week over the upper North Island . It was caused by a domino effect of fast evaporating water droplets through a sequence of events explained by the Wegener–Bergeron–Findeisen process.

Photo: Taken from Leigh on Thursday, 14th March.
Fallstreak hole, Leigh 14th March, 2024

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