In this photo taken on Tuesday, September the sun sets on the first day of autumn as seen from White Oak Road near the corner of Ferry Road in southern Stafford county near Fredricksburg, Va. (Photo by Reza A. Marvashti/AP Photo/The Free Lance-Star)
Undulatus asperatus (or alternately, asperatus) is a cloud formation, proposed in 2009 as a separate cloud classification by the founder of the Cloud Appreciation Society. If successful it will be the first cloud formation added since cirrus intor.
Sun rays are seen through a cloud formation in Los Angeles, California September A heat wave continued Tuesday in Southern California with temperatures beyond 100 degrees Fahrenheit degrees Celsius). (Photo by Mario Anzuoni/Reuters)