And, of course, if there is a higher level cloud deck the shadow can appear on the bottom side of the clouds, as illustrated by the next two pictures.
Chuck Graham captured the upper photo from nearby Roy, Wash.
If aliens arrived at our planet, there is no doubt this mountain would be their first stop. This conjecture is supported by the fact that the first flying saucer was observed over Mt. Rainer in 1947 by pilot Kenneth Arnold.