Wave clouds, sunset, northern Arizona.
Wave clouds, sunset, northern Arizona.
Wave clouds, northern Arizona.
Wave clouds, northern Arizona.
Wave clouds, northern Arizona.
Wave clouds, northern Arizona.
Wave clouds, southeastern Montana.
Wave clouds, Boulder, Colorado.
Wave clouds, Boulder, Colorado.
Wave clouds, central Colorado.
Wave clouds, Indian Peaks, Colorado.
Wave clouds, eastern Colorado.
Wave clouds, Boulder, Colorado.
Wave clouds, Boulder, Colorado.
Vortex clouds, Colorado Rocky Mountains.
Wave clouds, southern Utah.
Wave clouds, South Island, New Zealand.
Banner cloud, Mt. Sir McDonald, BC.