A "Fire Rainbow" 🔥🌈 was captured over @PinnaclesNPS yesterday. The more scientific name is a circumhorizontal arc. For more details https://t.co/VYycZRvrAu #cawx #atmoshpericoptics 📸 M. Jimenez pic.twitter.com/FwkjZuthJe

— NWS Bay Area (@NWSBayArea) April 25, 2018