In San Francisco, winter represents a sensational opportunity for sky photographs, but recent weeks have featured some wild cloud formations. These shots have received zero edits, and the first one really is full color.
The next two show a cloud formation sometimes called a “flock of sheep.” Back in my days as an amateur astronomer, I knew the scientific name, but no more. This particular formation covered over 90% of the entire sky over the Civic Center and dozens of people took pictures of the phenomenon. Two of mine: