This is the first time I’ve seen this natural phenomenon, although it must be quite frequent: the cloudbow. That’s a rainbow (a circular diffraction pattern caused by water droplets in the atmosphere) made by clouds, not by rain.
I walked out onto the lanai to enjoy the (extremely rare) evening sunshine. The sun had already set on Hau`Oli Mau, but it still shone on the ocean, unencumbered by Mauna Kea. There was a giant cloud right ahead of me, towards the wind.
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