Mercer Island, posted to YourNews, Sept. 28, 2012
Just letting the dog out and to my amazement saw this rainbow stretching from Mercer island to Renton in a perfect and very visible arch. I have lived here all of my life (almost 50 years) and never seen a rainbow this early in the morning, before any rainfall, or with such a clear arch revealing both ends. Within 10 minutes a second rainbow became visible shadowing the first. Amazing!