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Key Terms
Moisture
Movement of Water
Cloud Forms
Cloud Classification
100
Tiny droplets of water at or near the surface of the land or water.
What is fog?
100
Without moisture in the atmosphere, this could not exist.
What is weather?
100
The continuous movement of water between the earth and the atmosphere.
What is the water cycle?
100
These are the three basic cloud forms.
What are cumulus, stratus and cirrus?
100
The two qualifications for classifying clouds.
What are appearance and height
200
The amount of water vapor in the air.
What is humidity?
200
Moisture exists in these three states:
What is liquid, gas, and solid?
200
Winds have to be less than this in order for fog to form.
What is five knots or less?
200
These are normally white, billowy and puffy clouds
What are cumulus clouds?
200
The number of cloud types that come from the three basic cloud forms
What is 10?
300
General term given to various types of condensed water vapor
What is precipitation?
300
This is always present in the atmosphere at varying degrees.
What is water vapor?
300
This happens when the sun heats the water in lakes and oceans
What is evaporation?
300
The two forms of clouds found close to the ground and low in the sky.
What are cirrus and cumulus
300
Cirrus clouds are generally found higher than this altitude.
What is 20,00 feet?
400
The amount of water vapor in the air compared to its water vapor capacity at a given temperature.
What is relative humidity?
400
This changes several times per day depending on the amount of moisture in the air.
What is the dew point?
400
Fog forms when ________ and _______ are within five degrees of each other and the winds are light.
What are temperatures and dew point?
400
This cloud form is wispy and usually found in patches.
What are cirrus clouds?
400
High level clouds are primarily composed of this
What are ice crystals.
500
The condition of a parcel holding as much water vapor as it can at the air temperature at that time.
What is saturation?
500
Name the four products of condensation
What are clouds, fog, snow and rain?
500
When clouds meet cool air, this can occur
What is precipitation?
500
This cloud form is a fair weather cloud form indicating good weather.
What is a cumulus cloud?
500
These formations indicate the degree of instability in the area.
What are mammatus formations?