Lenticular clouds, technically known as altocumulus standing lenticularis, are stationary lens-shaped clouds that form at high altitudes, normally aligned at right-angles to the wind direction.
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www.crystalinks.com/lenticular.html
www.crystalinks.com/lenticular.html
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No -- they are multilayered lenticular clouds. Moist air forced to flow upward around mountain tops can create lenticular clouds. Water droplets condense from moist air cooled below the dew point, and clouds are opaque groups of water droplets.
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apod.nasa.gov/apod/ap090203.html
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Several clouds are stacked up into one striking lenticular cloud. Normally, air moves much more horizontally than it does vertically. Sometimes, however, such as when wind comes off of a mountain or a hill, relatively strong vertical oscillations take place as the air stabilizes.
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apod.nasa.gov/apod/ap090121.html
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Those are called "lenticular clouds" They're caused when the air flow is just right so when it flows over Mt. Rainier, the air gets pushed upward where it cools and condenses into clouds. Depending on how smooth the flow is, you can get some amazing clouds formations as we've seen so far today.
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www.komonews.com/weather/blog/35631614.html
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Brief and Straightforward Guide: What are Lenticular Clouds? ... One interesting thing about lenticular clouds is that they look like they are perfectly stationary and frozen in time. This is not, in fact, the case.
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www.wisegeek.com/what-are-lenticular-clouds.htm
www.wisegeek.com/what-are-lenticular-clouds.htm
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Lenticular clouds over Boulder on 20 March 2002 gave the impression of a fleet of alien ships about to land. ... Known meteorologically as altocumulus standing lenticularus, lenticular clouds result from strong wind flow over rugged terrain. In Colorado, jetstream winds whipping over the Rockies produce up-and-down...
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www.cisl.ucar.edu/news/02/fotoweek/0321.clouds.html
www.cisl.ucar.edu/news/02/fotoweek/0321.clouds.html
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Lenticular Clouds, technically known as altocumulus standing lenticularus, are a strange looking cloud formation that form as strong winds blow over and around rough terrain. Some people have mistaken them for UFOs due to their smooth saucer like shape.
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www.prh.noaa.gov/hnl/pages/events/lenticular/lenticular...
www.prh.noaa.gov/hnl/pages/events/lenticular/lenticular.php
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Lenticular Clouds are often mistaken for UFOs; (click on any image to enlarge); Lenticular clouds, technically known as altocumulus standing lenticularis, are stationary lens-shaped clouds that form at high altitudes, normally aligned at right-angles to the wind direction.
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www.darkroastedblend.com/2006/11/lenticular-clouds-gall...
www.darkroastedblend.com/2006/11/lenticular-clouds-gallery.html
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Actually, pictured above are several clouds all stacked up into one striking lenticular cloud. Normally, air moves much more horizontally than it does vertically. Sometimes, however, such as when wind comes off of a mountain or a hill, relatively strong vertical oscillations take place as the air stabilizes.
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antwrp.gsfc.nasa.gov/apod/ap031201.html
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