fogfall noun3 •The act or time of a cloud of fog falling over an area.It becomes surface water runoff through atmospheric scouring associated with rainfall and fogfall. — 1998 •A tumbling of fog from a higher area to a lower one, visually reminiscent of a waterfall. •An instance (i.e. a cloud) of fog that has fallen or developed over an area.He could see it gilding the ridges westward and slowly burning the fogfall that lay over Topanga Park. — 2003 formsfogfalls
