Under Pressure
The direction of rotation of a High pressure system
What is clockwise?
The rate at which air temperature decreases when increasing altitude.
What is Lapse Rate?
The average altitude of the tropopause based on International Standard Atmosphere.
What is 36,000ft?
These are known as the stages of a Thunderstorm.
What are Cumulus, Mature, and Dissipating?
This is the suffix used for middle level clouds.
What is Alto?
This type of pressure system is characterized by poor visibility, rain, and fog.
What is a low pressure system?
This is the phrase used to describe air when temperature and dew point become equal.
What is Full Saturation?
This layer of the atmosphere is where small trainer aircraft spend their time in.
What is the troposphere?
A towering, rain-bearing cloud that can also produce lighting.
What is a Cumulonimbus Cloud?
These clouds are comprised of ice crystals.
What are Cirrus Clouds?
This element is used to measure atmospheric pressure.
What is Mercury?
This is present when temperature increases as altitude also increases.
What is a Temperature Inversion?
The rate of decrease in temperature per every 1,000ft in altitude gained.
What is 2º Celsius every 1000feet gained?
The FAA's recommended distance to stay away from Thunderstorms as mentioned in their Aviation Weather Handbook.
What is 20 miles?
This type of cloud forms over mountains in strong winds, easily identifiable by it's distinct lens shape.
What are Lenticular clouds?
Atmospheric pressure differences are one of the four main causes for this everyday phenomena in which you can't directly see.
What is wind?
This type of turbulence isn't associated with convective activity, and is most commonly found around jet streams.
What is clear air turbulence?
This type of front occurs when neither airmass can overpower the other.
What is a stationary front?
These 3 factors causing the development of a thunderstorm are typically asked to be recited during a Checkride.
What is an unstable atmosphere, warm moist air, and a lifting action?
This is the suffix used to describe a cloud that is ragged, or broken.
What is Fracto?
Around this altitude in feet AGL is when the friction between earths surface and the atmosphere slow down moving air.
What is 2000ft AGL?
This is known as the force caused by earths rotation.
What is Coriolis force?
The percentage of non life sustaining gases in earths atmosphere.
What is 79%?
This feature of a mature thunderstorm can be used to determine the storms direction of movement.
What is the Anvil?
For a cloud to form, the air needs adequate water vapor, a method in which to cool, and enough of these tiny particles.
What are Condensation Nucleis?