What do lenticular clouds signify?
Lenticular clouds indicate great instability in that layer of the atmosphere, and form in areas of mountain waves. Like ocean waves, these waves of air bouncing over the mountains are anything but stable. It makes sense that it would be a “rough ride”.
What are lenticular clouds associated with?
Known as Altocumulus Standing Lenticular (ACSL) or Altocumulus Standing Lenticularis clouds, they are associated with waves in the atmosphere that develop when relatively stable, fast moving air is forced up and over a topographic barrier that is oriented more or less perpendicular to the direction from which the upper …
Where are lenticular clouds most likely to form?
Lenticular clouds (Altocumulus lenticularis, meaning “shaped like a lentil” in Latin) mostly develop among the crests and valleys of mountainous terrain. They are associated with waves in the atmosphere that form when moist air flow is forced up, over and partway down a mountaintop.
What type of weather phenomena would you expect in a lenticular cloud?
If the temperature at the crest of the wave drops to the dew point, moisture in the air may condense to form lenticular clouds. As the moist air moves back down into the trough of the wave, the cloud may evaporate back into vapour….Content control:
What causes lenticular?
A lenticular cloud is a lens-shaped cloud that normally develops on the downwind side of a mountain or mountain range. This occurs when stable, moist air flows over a mountain, creating a series of oscillating waves.
Where do you see lenticular clouds?
Lenticular clouds (Latin: Lenticularis lentil-shaped, from lenticula lentil) are stationary clouds that form mostly in the troposphere, typically in parallel alignment to the wind direction. They are often comparable in appearance to a lens or saucer….
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Where does the word lenticular come from?
English speakers borrowed the Latin term in the 15th century. Lenticularis, in turn, derives from lenticula, which is the source of the English word lentil and a diminutive of the Latin form lent-, lens, meaning “lentil.” You probably won’t be too surprised to learn that lent-, lens also gave English the word lens.
Why are lenticular clouds also known as standing wave clouds?
The clouds dissipate in the downdrafts of the wave where the air has descended and warmed to the point where the moisture evaporates and is no longer visible. This is why the clouds are called “standing”. They stay in the crests of the mountain waves and do not move with the wind flow.
What causes the formation of a lenticular cloud?
Lenticular cloud. When moist, stable air flows over a larger eddie, like those caused by mountains, a series of large-scale standing waves form on the leeward side of the mountain. If the temperature at the crest of the wave drops below the local dew point, moisture in the air may condense to form lenticular clouds.
How is a lenticular cloud similar to a saucer?
Lenticular cloud. Lenticular clouds (Altocumulus lenticularis in Latin) are stationary clouds that form in the troposphere, typically in perpendicular alignment to the wind direction. They are often comparable in appearance to a lens or saucer.
What makes an altocumulus standing lenticular cloud ACSL?
Known as Altocumulus Standing Lenticular (ACSL) or Altocumulus Standing Lenticularis clouds, they are associated with waves in the atmosphere that develop when relatively stable, fast moving air is forced up and over a topographic barrier that is oriented more or less perpendicular to the direction from which the upper-level wind is blowing.
When do lens shaped orographic wave clouds form?
Lenticular clouds. These lens-shaped orographic wave clouds form when the air is stable and winds blow across hills and mountains from the same or similar direction at different heights through the troposphere.