What Is A Characteristic Of Stable Air?

What are the characteristics of stable air? A—Good visibility; steady precipitation; stratus clouds.  Similarly, What cloud is an indicator of stable air? Any clouds that form as a result will be thin and horizontal such as cirrostratus, altostratus, nimbostratus, and stratus clouds. All of these cloud types are associated with stable air. One May Ask, What characteristics indicate unstable air? Let's examine. Air is considered unstable, in the lowest layers of an air mass when the air is warmer and or more humid than the surrounding air. When this occurs the air will rise, as that air parcel is warmer than the air surrounding it. In an unstable environment, the weather can change suddenly and can be violent.

what is a characteristic of stable air?

Similar Questions

What is the difference between stable and unstable air?

But it does not always fall at the same lapse rate. If it falls rapidly with height, the atmosphere is said to be unstable; if it falls more slowly (or even temporarily increases with height), a stable atmosphere is present.

What is the difference between stable and unstable air quizlet?

stable air – happens when warm air stays above cold air. The weather is likely to remain calm. unstable air – happens when there is a quick change in temperature.

What is stable air aviation?

A stable aircraft, when disturbed from straight and level flight, returns by itself to a steady balanced flight. An unstable aircraft, when disturbed, continues to move away from a normal flight attitude. So it is with the atmosphere. A stable atmosphere resists any upward or downward displacement.

What conditions cause a stable air mass quizlet?

Indicates stability: stability of the atmosphere is determined by vertical movements of air. Warm air rises when the air above is cooler. Cooling from below: surrounding air is warmer, which would increase the stability of an air mass.

What is stable air mass?

Air mass having a stable stratification in its lower layer, and consequently free from convection, having a low degree of turbulence, and containing either stratiform clouds, fog, or no clouds at all.

What causes stable air?

The atmosphere is said to be absolutely stable if the environmental lapse rate is less than the moist adiabatic lapse rate. This means that a rising air parcel will always cool at a faster rate than the environment, even after it reaches saturation.

Does stable air have poor visibility?

Because stable air masses are free of disturbances, they often allow particles such as dust, smoke or other haze to linger in the air without being shifted or blown around. The result is poor visibility for people on the ground and, especially, people flying in aircraft.

Which of the following is an indicator of a stable atmosphere?

Visual indicators of stable atmospheric conditions: o Smoke layer. o Stratus clouds or fog. o Low intensity fire as a result of suppressed vertical motion and weak inflow wind to feed fire new oxygenated air.

What happens when the atmosphere is stable?

Concepts: Atmospheric stability determines whether or not air will rise and cause storms, sink and cause clear skies, or essentially do nothing. Stability is dependent upon the Dry and Saturated Adiabatic Lapse Rates and the Environmental Lapse Rate.

Is cold air stable or unstable?

Cold surface air, on this morning, produces a stable atmosphere that inhibits vertical air motions and allows the fog and haze to linger close to the ground. How does the stability change for a descending layer of air? The environmental lapse rate is equal to the dry adiabatic rate.

What is a stable atmosphere quizlet?

stability. -refers to the tendency of an air parcel, with its water vapor, either to remain in place or to change vertical position by ascending (rising) or descending (falling) -a stable parcel of air resists displacement upward or, when disturbed, tends to return to its starting place.

What is the difference between a stable and an unstable atmosphere which of these two conditions favors vertical cloud development and why?

1. Stable air tends to resist upward vertical motions, clouds forming in a stable air will spread horizontally and have a stratified appearance. 2. An unstable atmosphere tends to favor vertical air currents and produce cumuliform clouds.

What is meant by the phrase the atmosphere is stable quizlet?

absolutely stable atmosphere. An atmospheric condition that exists when the environmental lapse rate is less than the moist adiabatic rate. This results in a lifted parcel of air being colder than the air around it.

When an air mass is stable which of these conditions are most likely to exists?

When an air mass is stable, which of these conditions are most likely to exist? a heat exchange. What is indicated if ice pellets are encountered at 8,000 feet? They are nonfrontal and often contain severe, steady-state thunderstorms.

Which would decrease the stability of an air mass quizlet?

Clouds with considerable vertical development and associated turbulence. What would decrease the stability of an air mass? Warming from below.

Which of the below would decrease the stability of an air mass?

Warming from below decreases the stability of an air mass. Unstable air forced upward will cause clouds with considerable vertical development and associated turbulence.

Is warm air more stable?

The value of the environmental lapse rate is one of the main factors that determines whether the atmosphere will be stable or unstable. Warming the air above the ground and/or cooling the air next to the ground will make the atmosphere more stable. The ground and the air above it cool during the night.

Which of the following would best create a stable atmosphere?

Which of the following would best create a stable atmosphere? air moving from a large body of land to a large body of water.

How does an atmosphere become stable or unstable?

The value of the environmental lapse rate is one of the main factors that determines whether the atmosphere will be stable or unstable. Warming the air above the ground and/or cooling the air next to the ground will make the atmosphere more stable. The ground and the air above it cool during the night.

When an air parcel is cooler than the surrounding air the atmosphere is stable quizlet?

what does it mean if air is stable or unstable? If a rising parcel of air is cooler than the surrounding atmosphere it will tend to sink back to its original position. This is because cool air is more dense or heavier than warmer air.

When air is unstable the environmental lapse rate is quizlet?

By conditional, WE MEAN THAT THE ATMOSPHERE IS UNSTABLE FOR SATURATED AIR, BUT STABLE FOR UNSATURATED AIR. (3) conditionally unstable when the environmental lapse rate is between the moist and dry lapse rates. Stability is a property of an air parcel, not of the atmosphere.

What type of weather is associated with unstable air choose all that apply quizlet?

Describe the weather associated with unstable air. Unstable air tends to generate thunderstorms, towering clouds, and possibly tornadoes.

What is air stability and instability?

The air without vertical movement is called stable air while unstable air undergoes vertical movement (both upward and downward). An airmass ascends and becomes unstable when it becomes warmer than the surrounding airmass while descending airmass becomes stable.

What types of clouds and precipitation if any form when stable air is forced aloft?

Conditional instability is when the air is stable for an unsaturated parcel of air and is unstable for a saturated parcel of air. What types of clouds and precipitation, if any, form when stable air is forced aloft. The clouds are typically wide spread and are not very thick, they can cause light precipitation.

Which of the following refers to the tendency of an air parcel to either remain in place or to change its vertical position by ascending or descending?

Stability refers to the tendency of an air parcel, with its water-vapor cargo, either to remain in place or to change vertical position by ascending (rising) or descending (falling).

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