OK so I did some photo enhancement of the first image and found that one area of cloud, approximately half way between the tail and the left edge of the picture is interestingly solid white, as in that of a snow covered mountaintop. Possibly this could be Mt Rainier. When you contrast the picture, this area of white never changes. All the clouds dimmed down, but this area maintained it's white state. Otherwise, I couldn't find anything in the picture to further locate on.
... View more