A shelf cloud mesoscale convective system, or outflow boundary, above the Rocky Mountains and Great Sand Dunes National Park.

---

Size: 5555px × 3703px
Photo credit: © LorenRyePhoto / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: cloud, colorado, desert, dunes, formation, lenticular, mountains, sand, severe, shelf, sky, storm, thunderstorm, weather