jack.h...@gmail.com
Apr 28, 2025, 2:47:27 PMApr 28
to Weather and Climate
Saw a faint rainbow (distant drizzle) at around 0915 this morning. At the time, the sun's altitude was 28° (rainbow radius is 42°) so I wouldn't have expected to see more than the top part.
But what did strike me and indeed also my wife, was that the width / thickness (NOT the radius) of the arc seemed greater than normal. This was probably an optical illusion but can the width of an arc vary?
Jack
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