Many tend to mistake a shelf cloud for a wall cloud, the main reason being that a shelf cloud that is approaching, appears to form a wall made of clouds. Shelf clouds are larger as compared to wall clouds. Wall clouds are compact and smaller when compared to shelf clouds. Since they are outflow clouds, they have a tendency to slope downwards and away from the precipitation area. Since they are inflow clouds, they have a tendency to slope upwards and away from the precipitation area. On observation for some time, shelf clouds tend to move away from the rain. These clouds are formed when winds hit a mountain which causes the clouds to form a wave-like structure. Lenticular Clouds Lenticular Clouds are shaped like a UFO, some people compare them to the shape of a saucer. On observation for some time, wall clouds maintain their position w.r.t the rain. Thunderstorm anvils are a form of cirrus cloud, but most cirrus clouds are not associated with thunderstorms. So, here is a list of 22 Fascinating and Unusual Cloud Formations that are meant to amaze you. However, there are a few instances when they do not.ĭue to their association with downdrafts, shelf clouds do not produce tornadoes. Browse 522 authentic shelf cloud stock photos, high-res images, and pictures, or explore additional wall cloud or storm stock images to find the right photo at the right size & resolution for your project. Shelf clouds may appear to rotate on a horizontal axis.ĭue to their association with updrafts, wall clouds often produce tornadoes.
They can form under the rain-free base but may appear like wall clouds. They are attached to the rain-free base of the thunderstorm. They appear at the leading edge of a thunderstorm. They appear at the rear part of a thunderstorm.
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