The layer of Earth's atmosphere that contains the ozone layer
What is the stratosphere?
Clouds form when moist winds encounter mountains
What is orographic lifting?
The current state of the atmosphere
What is weather?
An instrument that measures air pressure
What is a barometer?
The amount of water vapor present in air
What is humidity?
The atmospheric layer that is closest to Earth's surface
What is the troposphere?
Cloud droplets collide to form larger droplets
What is coalescence?
Long-term variations in weather conditions over a particular area
What is climate?
A balloon-borne package of sensors that gathers upper-level temperature, air pressure, and humidity
What is a radiosonde?
Occurs when the amount of water vapor in a volume of air has reached the maximum amount
What is saturation?
What is the thermosphere?
The type of cloud is puffy and lumpy looking?
What is Cumulus?
An increase in temperature with height
What is a temperature inversion?
A record of weather data for a particular site at a particular time
What is a station model?
What is the temperature to which air must be cooled at constant pressure to reach saturation?
What is Dew Point?
The outermost layer of Earth's atmosphere
The type of cloud that is layered and sheet like
What is Stratus?
Large volume of air that takes on the characteristics of the area over which it forms?
Created by applying physical principles in mathematics to atmospheric variables and then making a prediction about the variables change over time
What is a digital forecast?
What is relative humidity?
The atmospheric layer above the stratosphere where the temperature decreases with height?
What is the mesosphere?
The type of cloud is wispy and indistinct?
What is Cirrus?
Describes the narrow region separating two air masses of different densities.
What is a front?
A forecast that is based on comparisons to past weather patterns
What is an analog forecast?
Particles of atmospheric dust around which cloud droplets form
What is condensation nuclei?