Mostly Cloudy
Clouds
Hovering high above the mountains, these unusual clouds look like something from another world. With their smooth, saucer-like shape, the cloud formations could easily be mistaken for UFOs, but they're actually a rare natural phenomenon known as lenticular clouds. Known scientifically as "altocumulus lenticularis," the curious clouds are formed when air temperatures drop and moisture droplets are pushed up a steep slope by high winds. Click through to see more photos. ...
Australian storm chaser Michael Bath captured a series of striking photographs of a large supercell thunderstorm in western Oklahoma on April 22. Bath followed the rotating thunderstorm through Arnett and Clinton, Okla., and caught menacing shots of lightning and clouds from the severe storm. He shared photos of the event to his Facebook page, writing, "Jimmy Deguara and I chased a supercell from Arnett to east of Clinton, OK today. No tornadoes but awesome structures!." Click through to see the shots. ...
Gaze at clouds long enough and you just might see creatures in them. While sometimes your eyes are playing tricks on you, occasionally clouds really do look like the neighbor's dog or a bird in flight. Click through these 13 clouds and see if your impressions match ours. What does this one look like? We'll tell you what we think on the next slide. ...
