https://en.wikipedia.org/wiki/Haar_(fog)
Edit: I have no idea whether haar occurs more or less frequently - I moved to a spot where it is very visible a few years back so it certainly looks more common to me!
https://en.wikipedia.org/wiki/Haar_(fog)
Edit: I have no idea whether haar occurs more or less frequently - I moved to a spot where it is very visible a few years back so it certainly looks more common to me!