clouds, Pacific Northwest, photographs, Portland, Oregon, sky Homage to Cirrus Posted by Jane Green on February 21, 2021November 17, 2021 Iced branches against a Cirrus sky. Cirrus clouds are formed entirely of ice crystals. Another breathtaking example of how earth and sky combine so beautifully! Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Pinterest (Opens in new window) Pinterest Email a link to a friend (Opens in new window) Email Like Loading...