Pinterest • The world’s catalogue of ideas

Explore 21 15, Cloud Formations and more!

Travertine terrace formations at Pamukkale, Anatolia, Turkey ~ The water which flows from numerous hot springs is rich in calcium carbonate, which deposits on the surface and hardens into a form of limestone known as travertine. These formations are protected as a UNESCO World Heritage Site. (photographer Mikel Bilbao) #travel

Top 10 Weather Photographs: 3/15/2015 "Sculpted Plains Supercell" – The top 10 weather photographs shared in the Mr Twister Weather Snapshot group on March 13th 2015 Pre-Order Your Hard Cover Today and Get a Free DVD! #1 Tim Holmes (433 Likes) Follow Tim Another view of the Broken Bow supercell. #2 Matt Crowther (391 Likes) Follow Matt June 14, 2011. NE Colorado Mammatus #3 Marko Korosec (307 Likes) Follow Marko Storm chasers watching a monster Vega, TX supercell on May 21st, 2012. The...

Bizarre cloud formations seen above Russian mountains resemble UFOs

A huge lenticular cloud is pictured forming above a mountain in eastern Russia, while normal storm clouds brew in the background

Bizarre cloud formations seen above Russian mountains resemble UFOs

A stunning circular cloud, which sits stationary with strong winds running beneath it, is formed above a peak along the mountain range

Bizarre cloud formations seen above Russian mountains resemble UFOs

These stunning lenticular clouds were photographed above mountaintops among the volcanoes of Kamchatka, in eastern Russia

Bizarre cloud formations seen above Russian mountains resemble UFOs

Photographer Vladimir Voychuk said it was not the first time he'd spotted the clouds in the area, but the first time he captured it on film

Bizarre cloud formations seen above Russian mountains resemble UFOs

Lenticular clouds are formed by rushing moist air running straight into a mountain. Forced upwards, it condenses on the downward slope

Bizarre cloud formations seen above Russian mountains resemble UFOs

Clouds such as this one in Kamchatka, Russia, are thought to be responsible for many mistaken UFO sightings throughout history