A fast-moving thundershower created a rainbow in its wake Thursday afternoon, September 15, 2011 as seen looking eastward from West Picture Rocks Road just inside Saguaro National Park West near Tucson, Arizona. The Catalina Mountains are under the rainbow, with the city of Tucson at their base.
GPS: 32.325146, -111.127363
Panoramic photo composite by GARY O'BRIEN - gary@garyobrien.com