What a sight! Timelapse footage shows mammatus clouds rolling across the sky above Stillwater, Oklahoma, after severe storms swept the state. https://abcn.ws/3OZuK21 | ABC News

Mammatus clouds glowed as a sunset created a stunning view for Littlehampton residents on the English south coast. https://abcn.ws/3eJeVg0 | ABC News

9.6K views · 76 reactions | Check out these mammatus clouds as seen from Lawrence County, TN looking southeast at distant severe thunderstorms. #clouds #thunderstorms #mammatus | Tennessee Valley Weather | Facebook

This time-lapse shows how standing lenticular clouds get their name. They look to be standing still over the Colorado horizon. | America's Morning Headquarters

11K views · 447 reactions | Here is a time lapse of the lenticular clouds from a few days ago! You can see the waves in the atmosphere generated by the presidential range and how far downwind of us the waves go. There were even some ice crystals forming in the clouds that created a light gray streak connecting each lenticular cloud. | Mount Washington Observatory | Facebook

Check out this spectacular time lapse of lenticular clouds forming over snowy Mt. Rainier in Washington state. Lenticular clouds form when air flows over a mountain causing moisture to condense to create a smooth, flying saucer shaped cloud. Often, these clouds are nearly stationary. Amazing time lapse via Wild Northwest Beauty Photography | Ed Piotrowski WPDE