you can see that this is not a cloud layer, but a light covering created by or attracted to the top of the hill
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it did shift while I was watching it - but for no discernible reason
Where a humid mass of air is forced higher as it is blown over an obstruction, causing it to cool and the moisture to condense.
It then warms as it descends on the other side and disappears.
Where a humid mass of air is forced higher as it is blown over an obstruction, causing it to cool and the moisture to condense.
It then warms as it descends on the other side and disappears.