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Clouds

A cloud is a visible body of very fine water droplets or ice particles suspended in the atmosphere at altitudes up to several miles above sea level. They are generally produced by the condensation of water vapor. Other clouds, less commonly seen, are composed of smokes or dusts.

10,186 Questions

What is the different shape and color of the clouds?

Clouds can come in various shapes such as cumulus (puffy), stratus (layered), cirrus (wispy), and cumulonimbus (towering). The color of clouds usually ranges from white to gray, depending on their thickness and the amount of sunlight they reflect. At sunrise or sunset, clouds can appear orange, red, or pink due to the scattering of light.

What does clouds in a thunderstorm means?

Clouds in a thunderstorm typically signal the presence of convection and moisture in the atmosphere. Thunderstorm clouds, or cumulonimbus clouds, can grow to great heights and produce heavy precipitation, lightning, and thunder. These clouds are often associated with strong updrafts and downdrafts that contribute to severe weather conditions.

What is a shock compressed molecular cloud?

Molecular clouds are aggregations of rarefied gas (mainly hydrogen) from which stars can form. Often the impetus for star formation is an energetic shock wave from a nearby cosmic event such as a supernova. This compresses the gas along the shock front, causing it to clump. A situation of positive feedback can ensue, the clump becoming more massive, thus having a larger gravitational attraction (since gravity depends on mass). This increased attraction draws more material in, thus increasing the mass...

Which cloud forms hail?

Hail forms in cumulonimbus clouds, which are large, dense, and towering clouds associated with thunderstorms. Within these clouds, strong updrafts carry raindrops high into the atmosphere where they freeze, forming hailstones. These hailstones can grow larger as they are then circulated within the storm cloud before eventually falling to the ground.

Is the white spot on top of mars a cloud?

No, the white spot on top of Mars is not a cloud. It is actually the planet's icy polar cap, made up of frozen carbon dioxide and water ice. This cap grows and shrinks with the changing seasons on Mars.

What the three main types of clouds?

The three main types of clouds are cirrus (thin and wispy), cumulus (puffy and white), and stratus (layered and overcast). Each type is associated with different weather patterns and can give clues about what to expect.

Is there water vapor on night time?

Yes, water vapor is present in the atmosphere at all times, including nighttime. The amount of water vapor in the air can vary depending on factors such as temperature, humidity, and weather conditions.

What clouds have a puffy appearance?

Cumulus clouds have a puffy appearance and are usually associated with fair weather. They have a fluffy, cotton-like appearance and are often seen on sunny days.

How come the sun can't melt the clouds?

Clouds are made of tiny water droplets or ice crystals that are dispersed throughout the atmosphere. Since the clouds are not solid and are spread out over a large area, the sun's heat is not concentrated enough to melt them. Additionally, the Earth's atmosphere acts as a barrier that diffuses the sun's energy, preventing it from melting the clouds.

Can light destroy clouds?

Light itself cannot destroy clouds. However, intense sunlight can increase evaporation, causing clouds to dissipate as the water droplets that make up the clouds turn into water vapor. Additionally, strong sunlight can also help to disperse clouds by breaking up their formation.

Is cirrus clouds made out of ice crystals?

Yes, cirrus clouds are composed of ice crystals. These high-altitude clouds form when water vapor in the atmosphere freezes into ice particles due to low temperatures. They appear thin and wispy, often creating a halo effect around the sun or moon.

What happens to fog after a sunrise?

Because the sun warms the air, and the warmer the air the more moisture it can hold.

THIS WAS WRITTEN BY: ABNER P. ON 10/15/12, AT 8:09 p.m.

Why are jet streams more prevalent on certain days when the actual flight schedules remain constant?

What you really want to know is: Why do the flights always take the same time

to cover the route even though the jet streams change ?

The answer is that commercial passenger aircraft are not always flying flat out,

pedal to the metal, spheres to the wall, as fast as they can. They slow down, get

in line, wait their turn, and regulate their speed along the way in such a way as to

keep their place in the huge pattern that is modern air transportation. The average

jet stream is figured in when the schedules are written, and the aircraft can easily

add some more throttle, or back off some, to compensate for whatever the actual

jet-stream is doing today, in order to stay on schedule.

How is the air arranged for supercell to form and make a tornado?

To a large degree supercells form under the same conditions that form other thunderstorms. Usually that involves a cool, dry air mass plowing into a warm, moist one. The warm moist air is force upwards, causing it to cool and the moisture in it to condense, forming clouds and rain. This process only serves to further power the storm, as the condensation releases enormous amounts of energy. The updraft (upward moving air current) of the thunderstorm continues to feed it a supply of warm moist air. At the same time the rain starts to pull air down, creating a downdraft.

In a normal thunderstorm, the downdraft chokes off the updraft, eventually killing the thunderstorm. Supercells are different; they form in an environment of strong vertical wind shear, where there is a significant difference between the speed and direction of the wind at different altitudes. This tilts the entire storm, separating the updraft and downdraft into different areas, which prevents them from interfering with each other. The wind shear also sets the storm rotating, particularly in the updraft portion, which is usually in the rear part of the storm.

This rotating updraft is called a mesocyclone, and it is from this that a tornado may form. How this happens is not fully understood, but there is a leading theory. As the supercell gets stronger the bottom part of the mesocyclone intensifies, creating an area of low pressure. This triggers a downdraft, called a rear-flank downdraft or RFD to descend from behind the mesocyclone and wrap around the bottom portion of it. This causes the circulation to tighten, intensify, and extend towards the ground, producing a tornado.

When rain falls from clouds and freezes along the way?

It is Sleet.

Hail is when water droplets condense out of the cloud and are carried upwards in a draught to a colder refion, whereupon the water droplets freeze into ice. and fall to Earth as hail.

What type of weather do cirro-stratus clouds bring?

Cirrostratus clouds are thin, high-altitude clouds composed of ice crystals. They often indicate the approach of a warm front and can lead to overcast skies. This type of cloud cover can result in a halo or a sun or moon ring around the light source.

How is low pressure area developed?

A low pressure area is typically formed when warmer air rises, creating a decrease in air pressure at the surface. As the warm air rises, it cools, leading to condensation and cloud formation. This process can result in the development of a low pressure system, which is characterized by counterclockwise winds in the Northern Hemisphere.

What happens to warm air as it moves through the atmosphere?

As warm air moves through the atmosphere, it tends to rise due to its lower density compared to cooler air. This rising motion can lead to the formation of clouds and precipitation as the warm air cools and condenses. Overall, the movement of warm air plays a key role in creating weather patterns and distributing heat around the Earth.

What is the fog came pouring in at every chink and keyhole an example of?

This phrase is an example of personification, where human characteristics are attributed to non-human entities. In this case, the fog is described as actively pouring in through chinks and keyholes, giving it a sense of agency and intent.

What is the color of the nimbus?

Nimbus clouds or thunderclouds are usually tall, dense and very dark in color. These clouds form thunderstorms and heavy rain usually follows.

What is a narrow funnel shaped column of spiraling winds called?

A narrow funnel shaped column of spiraling winds is called a tornado. Tornadoes are a type of severe weather phenomenon characterized by their violent swirling motion and destructive force.

Is water vapour not one of the constituents in air?

Water vapour is a constituents in air because water vapour rises in the atmosphere & is always present in the atmospere in some or the other quantity.Also 0.0001% of air consist water vapour

When you see water on the outside of a cold soda can it has collected there because of from water vapor from the air?

Yes.

The process is called condensation, and it's driven by the fact that the temperature of the air decides how much moisture it can carry. Warm air, the water stays as vapour. Then the warm air hits the cold can, the air cools off, can't carry as much moisture anymore and the excess ends up on the can as droplets.

Water seen early in the morning only on the tip of a blade of grass is due to?

This phenomenon, known as dew, occurs when the air temperature drops overnight causing moisture in the air to condense and form water droplets on cool surfaces like grass blades. Dew is typically heaviest early in the morning when temperatures are lowest.

What is the main process by which water vapor is produced in the terrarium?

The main process by which water vapor is produced in a terrarium is through evaporation. This occurs when water from the substrate, plants, or any standing water in the terrarium is heated by sunlight and turns into water vapor, increasing the humidity levels within the enclosed environment.