Alberta Canada Cloudbows Bright white bows were in the skies of southern Alberta, Canada on 27th October. �Bows� in the plural because each person saw their own. In fact, each eye sees a different bow.?These were cloudbows. Broad and almost without colour, sometimes against a blue sky, with no obvious rain. They are the same as fogbows but without any visible fog or mist. Small water droplets in humid air make them.?The tiny drops diffract light which broadens the bow. The usual rainbow colours overlap and blur out to white.?

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