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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 areas of the water cycle influence the formation of clouds?

Evaporation and transpiration from bodies of water and plants contribute to the moisture in the atmosphere. Condensation occurs when the moist air rises and cools, leading to the formation of cloud droplets. Finally, precipitation releases the water from the clouds back to the Earth's surface, completing the water cycle.

What directions do westerlies blow?

Prevailing winds are also known as wind belts and can simply be described as winds that blow mainly from one direction.While local winds can vary in all directions, large scale weather patterns and wind patterns are part of the global wind belts. Multiple diagrams for global wind belts can be found using a simple search on the internet. Large-scale high and low pressure zones are formed and since winds blow from high to low, large circulation patterns of prevailing winds are formed. These winds are deflected in an East or West direction based on the Coriolis Effect. More information on the Coriolis Effect can be found in the links below. In England the prevailing wind is SW.

What layer of ice forms when rain freezes after it hits a surface?

A glaze of ice forms, known as freezing rain. This can create a dangerous and slippery surface when it accumulates on roads, walkways, and other surfaces.

Where do nearly all clouds and weather systems occur?

Nearly all clouds and weather systems occur in the troposphere, which is the lowest layer of the Earth's atmosphere. This layer extends from the Earth's surface up to an average height of about 11 miles (17 kilometers). It is where most of Earth's weather phenomena, such as clouds, storms, and precipitation, take place.

Is 60 degress latitude low pressure region or high pressure region?

At 60 degrees latitude, the region is typically a high-pressure region due to the sinking air associated with the subtropical high-pressure belts. This creates stable, dry atmospheric conditions with generally clear skies.

What is the difference between a cumulus and stratus clouds?

Cumulus clouds are fluffy, white clouds with distinct edges that usually indicate fair weather. Stratus clouds are low, gray clouds that form in layers and often bring overcast or drizzly conditions.

Does weather in the middle latitudes move from east to west?

Weather patterns usually move from west to east. Winds from the west, known as the prevailing westerlies, dominate at mid-latitudes, so a wind blowing all the way from Ireland to the U.S. East Coast is highly unlikely. That said, the global wind pattern is from the east at tropical latitudes from the equator to about 30 degrees north and south of the equator. Therefore, winds do blow to the west and can sometimes carry dust from Africa's Sahara Desert across the Atlantic to the Caribbean or even to the southeastern USA.

Is 0 mm hg equal to 0 psia and is 760 mm hg equal to 0psig?

0 mmHg is equivalent to 0 psia because both represent a pressure of zero relative to absolute vacuum. However, 760 mmHg is equal to 14.7 psia, not 0 psig. 760 mmHg is equivalent to atmospheric pressure, which is the reference point for psig.

Is the Alaska current warm or cold?

The Alaska Current is predominantly cold due to its origin in the North Pacific Ocean and its flow southward along the coast of Alaska. It brings cooler water temperatures to the region and influences the climate and marine ecosystems along the coast.

What front is most often associated with a steady rain that lasts a day or more?

This could be a warm front or a stationary front. The stationary front would be more conducive to a long lasting rain event. With a warm front, you'd probably get at least a day, maybe two, of steady rain. Warm fronts can sometimes transition into stationary fronts though.

What are the three cold fronts?

The three cold fronts are the warm fronts, cold fronts, and the stationary fronts.

What Global wind zones are set up by air moving from zones of?

The global wind zones are set up by air moving from zones of high pressure to zones of low pressure. This creates different wind patterns such as the trade winds, westerlies, and polar easterlies around the Earth.

Is evaporated water a gas or liquid?

Yes, water vapor is a gas.

-si it es. but when evaporatied water collects up it returnes into el liquid.

What isCumulonimbus cloud form when warm moist air is suddenly lifted how can the same cumulonimbus cloud produce rain and hail?

Cumulonimbus clouds form when warm moist air rises rapidly, creating a tall and vertically developed cloud. Within the cloud, strong updrafts and downdrafts keep water droplets and ice particles circulating, causing them to collide and merge. In regions with strong updrafts, rain forms from the merging droplets, while hailstones can form in areas of strong updrafts where supercooled water freezes onto ice particles.

Is petrol a solid gas or liquid?

The word "fume" generally implies a gas. The only common exception I know of is in the two word phrase "silica fume", which is sometimes used for very fine solid silica particles that have been prepared by a process including a step of passing silica through a fume stage. Such solid material is preferably called "fumed silica".

Two conditions are required for cloud formation cooling of the air and?

saturation of the air with water vapor. When the air cools to its dew point and becomes saturated with water vapor, the excess vapor condenses onto tiny particles in the air to form water droplets, resulting in cloud formation.

Water changing to steam is an example of what kind of change?

Water changing to steam is an example of a physical change, specifically a phase change from liquid to gas. This change is reversible as the steam can condense back into water under certain conditions.

Are temperatures in the stratosphere warm?

No, they are colder than nearly anywhere on Earth's surface. They do tend to increase as you go up in the Stratosphere however, unlike in the Troposphere. This is because ozone in the Stratosphere absorbs solar radiation, but even this does not permit very much warming at all.

The temperature and humidity of an air mass depend primarily on the source region of the air mass?

Yes, the temperature and humidity of an air mass are primarily influenced by the characteristics of its source region. Air masses originating from warm regions tend to be warmer and more humid, while those originating from cold regions tend to be cooler and drier. These initial conditions determine how the air mass will behave as it moves and interacts with other air masses.

What is a name that form hail besides cumulonimbus clouds?

Hail can form in thunderstorms associated with other types of clouds, such as supercell clouds or multicell storms. These types of storms have strong updrafts and downdrafts that can support the development of hailstones.

Is the density of gas similar to that of a liquid?

No, the density of gas is much lower than that of a liquid. Gas particles are more spread out and have more space between them, resulting in lower density compared to liquids where particles are more closely packed together.

Evaporation only occurs at the surface of liquid true or false?

False it can happen on any surface with moisture on it. ( think i spelled moisture wrong).

If your back is to the wind in the northern hemisphere the high pressure area is usually on your side?

Yes, that is correct. In the northern hemisphere, winds tend to circulate clockwise around high pressure systems. So, if your back is to the wind, the high pressure area is typically on your side.

What type of air masses are involved with a typhoon?

Air masses are not involved in typhoons because these are tropical storms, as opposed to mid-latitude cyclones. The air in these storms is homogeneously tropical.

Do all-stars have oort clouds?

We're not even certain that OUR star has an Oort cloud. The hypothetical Oort Cloud is too far away, and is composed of bodies generally too small, for us to be able to detect anything there even with our most sensitive telescopes.

However, this is one of those things that we cannot yet prove, but which sounds reasonable; that there is probably some left-over material around the solar system that never quite fell close enough to the planetary nebula to be included in the formation of the various planets. That some of this material, influenced by some gravitational force over eons, continues to fall in toward the Sun and the inner regions of our solar system.

So, while we have to say, "We don't know for sure", the answer is "Probably, yes."