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Accepted
At what point are water droplets too small to make a rainbow?
Some time ago I posted this answer about how rainbows are formed, and the Wikipedia link Trond Hansen posted mentions droplet size relative to the wavelength of light.
For a rainbow to form, the ...
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1
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Ice Water Content from GFS file
There is a parameter ice water mixing ratio in the gfs.t<hour>z.pgrb2.0p25.f<step> file given at isobaric levels.
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