Such kaleidoscopic formations are only visible when the sun sets, since the light goes through minute ice crystals that are being moved by a jet of stratospheric air.
With these chemical and atmospheric changes both in play, residents had the rare opportunity to admire a multicolored sky that makes for a picture perfect snapshot.
Above photo viaPete Urwin
Photo viaAlan Light
Photo viaAllan MacFadyen
Photo viaelleninnit
Photo viaRobert Clark
Photo viaSee Shinn
via [HelloGiggles]
