13 thoughts on “Horizontal Rainbow Segment

  1. Known as a “Fire rainbow” or circumhorizontal arc. Seen only in the middle latitudes 6 weeks on either side of summer solstice. Must have cirrus clouds with the sun at an angle of around 50 degrees. Pretty rare.

  2. Known as a “fire rainbow” or circumhorizontal arc. Seen in the middle latitudes 6 weeks on either side of the summer solstice usually. Must have the high cirrus clouds with the sun around a 50 degree angle. Pretty rare.

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