Factor 3- Winds And Air Masses Flashcards
1
Q
Define low-pressure area and what happens to it
A
definition- Hot air rises when ground heated from the sun warms the air above it
The air cools and sinks. This produces a high-pressure area
Air at ground level moves from high-pressure to low-pressure creating winds
2
Q
Define Air masses
A
Large body of air that has the same moisture and temperature conditions
3
Q
What is moisture content usually measured in and what is the formula?
A
It is usually measured in terms of relative humidity
Amount of moisture in air DIVIDED BY
Moisture holding capacity
MULTIPLIED BY 100%
4
Q
Define wind
A
Horizontal movement of air over the earths surface caused by differences in air pressure
5
Q
Review diagrams
A
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