There is a very rare rainbow called a fire rainbow, but has so many circumstances that it is very rare. It is a beauty of nature itself, but the likability of seeing one in your lifetime is minuscule, unless you live on the Idaho/Washington border. This phenomenon has a short lifespan of a bout an hour and will only occur so very rarely.
The weather for a fire rainbow must be in a very specific arrangement. Due to the fact that this rainbow is in the atmosphere, the clouds must be cirrus, or clouds in a thin and wispy format, the phenomenon must be at least 20,000 feet in the air, with a precise amount of ice crystals, and the sun must hit the clouds at a specific angle, try 58 degrees above the horizon.
This fire rainbow, scientifically known as a circumhorizon arc, works as all rainbows-through refraction. As a halo works, it reflects off of hexagonal ice crystals to produce this optical illusion as it separates and refracts. When the weather permits all of the requirements at the perfect time of day, you might be able to catch a fire rainbow!
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