In awe of God’s Creation – UFO Looking Clouds + more – Nori stranii si artistici – Coplesit de Creatia lui Dumnezeu (PHOTO)

Absolutely spectacular shot of lenticular clouds over the Sandwich islands in January, 2013.

Also known as altocumulus standing lenticularis, these are stationary, lens-shaped clouds that form at high altitudes. They are included in the middle layer cloud family because the bases of the clouds are stationed between about 2,000 and 7,000 meters. These clouds form when moist air is forced to flow up around mountains and large hills. The water is super cooled and condensed from air below the dew point temperature.

Pilots avidly try to avoid these clouds which cause extreme turbulence. The turbulence is caused by a rotor circulation. This circulation forms within the lee of the barriers (mountains or hills) or within a valley. The rotor is a type of lee eddy. The surface wind of the cloud is an opposite direction to the gradient wind. However, because of the large vertical air movements, sailplane and glider pilots favor these clouds which can give great vertical lift and climb to extreme altitudes for gliding.

Lenticular clouds, often mistaken for UFO’s, in Hawaii.
The lens-shaped clouds form at high altitude and are usually formed when moist air passes over a mountain range and is heated without any transference of heat energy as it descends. The cloud pattern depends upon the wind speed and the shape of the mountains. A constant wind may produce clouds which are stable and remain virtually stationary in the sky for long periods. Read more:

Morning Glory (photo: mike petrov)
A rare cloud formation in various parts of the earth, it occurs most predictably over Australia’s Gulf Of Carpenaria on the North coast. More information here. Read more:
Altocumulus undulatus

 Altocumulus undulatus clouds, Abruzzo National Park, Italy. This cloud formation consists of parallel bands of cumulus clouds. It occurs when a layer of altocumulus cloud is affected by wind shear. Read more:

Un comentariu (+add yours?)

  1. The Master's Slave
    aug. 27, 2013 @ 10:32:31

    Reblogged this on The Diary of a Slave.

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