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Dorchester Day opened with some extra color

Multi-colored clouds over Dorchester Avenue

Mr_jonez617 snapped "the strangest rainbow I've ever seen" at Crescent and Dorchester avenues before the Dorchester Day parade today.

Area Weatherman Eric Fisher says it's likely a circumhorizontal arc, formed by "sunlight entering horizontally-oriented, flat, hexagonal ice crystals through a vertical side face and leaving through the near horizontal bottom face."

Here it is over Roslindale, which didn't have a parade to celebrate today.

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Comments

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A lot of those this year. I wonder if they foretell anything according to superstition?

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N/t

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It's the National Grid tank in da skyyyyy

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at first that maybe it was some weird diffraction phenomenon of sunlight through trees, but if you moved to get the trees out of the line of sight, it was still there. Pretty baffling and cool.

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Blessing all who are celebrating 20 years of universal marriage rights!

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The Cheeto was right, wind turbines are to blame.

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Nice picture!

Here’s a little more about it. https://scijinks.gov/rainbow-clouds/#:~:text=Cloud%20iridescence%20is%20....

I saw an iridescent cloud while riding to NYC several years ago. The camera cannot capture how beautiful and vivid they are.

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