How long do lenticular clouds last?
If you live near or spend time in the mountains, you have likely seen a spectacular smooth lens-shaped cloud called a lenticular. There is no significant weather produced by a lenticular, but their presence often foretells snow in the next 24-48 hours.
Do altostratus clouds rain?
Altostratus clouds are “strato” type clouds (see below) that possess a flat and uniform type texture in the mid levels. … However, altostratus clouds themselves do not produce significant precipitation at the surface, although sprinkles or occasionally light showers may occur from a thick alto- stratus deck.
Do lenticular clouds move?
Unlike most other clouds that are carried along by the wind, lenticular cloud, as it is sometimes called, appears fixed in space, never moving from the spot where it has formed.
What’s lenticular mean?
1 : having the shape of a double-convex lens. 2 : of or relating to a lens. 3 : provided with or utilizing lenticules a lenticular screen.
Why are lenticular clouds also called standing?
Why are lenticular clouds also called standing wave clouds? As moist air rises on the upwind side of the wave, it cools and condenses, producing a cloud. … Viewed from the ground, the clouds appear motionless as the air rushes through them; hence, they are often referred to as standing wave clouds.
Where do you see lenticular clouds?
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.