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What happens to the relative humidity of moist air as the air travels over the cascade range?
Decreases
What happens to air when it sink?
When a parcel of air is forced downward, atmospheric pressure increases, causing the air to become compressed and therefore the temperature is also raised.
What is a parcel of air that is less dense than the surrounding air?
A parcel of air that is less dense than the surrounding air is known as a "buoyant air parcel." This occurs when the temperature of the air parcel is higher than that of the surrounding air, causing it to rise due to its lower density. As it ascends, it may cool and potentially lead to cloud formation if it reaches the condensation level. This process is fundamental to atmospheric convection and weather patterns.
When moist air is heated in a air tight vessel what happens?
When moist air is heated in an airtight vessel, the temperature of the air increases, causing the water vapor to evaporate more readily, which can lead to an increase in humidity. If there is no way for the water vapor to escape the vessel, it will remain inside as part of the air mixture.
When a parcel of air that is less dense than the surrounding air is?
When a parcel of air is less dense than the surrounding air, it will rise due to buoyancy forces. As the parcel rises, it will expand and cool adiabatically, which can lead to cloud formation and possibly precipitation. This process is known as atmospheric convection.
What happens when gold is kept in moist air for long?
Nothing
What happens when moist air pushes a mountain?
Orographic effect
What happens to the relative humidity of moist air as the air travels over the cascade range?
Decreases
What is air parcel?
An air parcel is an imaginary body of air with the basic properties of atmospheric air.
What is lifting condensation level?
Lifting Condensation Level is altitude at which clouds begin in a rising parcel of air. Lifting condensation level(LCL) can be said to be the level to which an unsaturated air parcel can be lifted adiabatically before it becomes saturated.Remember,this unsaturated air parcel is moist
What happens to a moist air mass as it moves up in the atmosphere?
It cools and condenses
What happens to air when it sink?
When a parcel of air is forced downward, atmospheric pressure increases, causing the air to become compressed and therefore the temperature is also raised.
The lapse rate for moist air is lower than for dry air because?
- Moist air has water vapor in it. - As a moist air parcel rises, the water vapor will condense (latent heat of condensation) - latent heat is released, meaning a temperature increase occurs within that air parcel, effectively dampening its lapse rate. Thus, the latent heat of condensation is working to decrease the lapse rate because sensible heat is being released in the process; its called the Moist Adiabatic Rate (MAR) In contrast, the Dry Adiabatic Rate (DAR) considered for Dry air (no water vapor) does not involve condensation, and thus no latent heat is released; meaning the lapse rate is unaffected.
When warm moist air comkes in contact with cool air what happens?
Usually rain showers or thunderstorms result.
What happens as warm, moist air rises in the atmosphere?
As warm, moist air rises in the atmosphere, it cools and condenses, forming clouds and eventually leading to the possibility of precipitation such as rain or snow.
What happens to relative humidity as a parcel or air rises?
As a parcel of air rises, it expands and cools adiabatically. This cooling causes relative humidity to increase, as the air temperature drops and its capacity to hold moisture decreases. If the air parcel reaches its dew point temperature, the relative humidity will reach 100% and condensation or cloud formation may occur.
When air is saturated relative humidity is?
When a parcel of air is saturated with water vapor the relative humidity of that parcel of air is 100%.
