Top 10 Most Incredible Natural Phenomena Around The World
8. Lenticular Clouds
Lenticular clouds are stationary lens-shaped clouds that form in the troposphere, normally in perpendicular alignment to the wind direction. Because of their shape, they have been offered as an explanation for some Unidentified Flying Object (UFO) sightings. Pilots of powered aircraft tend to avoid flying near lenticular clouds because of the turbulence of the rotor systems that accompany them, but glider pilots actively seek them out.
