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Atmospheric Systems

Key Concepts:

Terms in this set (13)

convection
Transfer of thermal energy through a fluid by the circulation of currents
Hot rises, less dense; Cold sinks, more dense
conduction
Transfer of thermal energy by a collision of particles
radiation
Transfer of thermal energy by electromagnetic waves
air pressure
The force that is the result of the weight of a column of air pushing down on an area
front
Location where two air masses meet and do not mix
cold front
When a fast-moving cool air mass pushes a warm air mass up. Results in fast moving, strong storms
warm front
When a warm air mass slides above a cold air mass
Results in slow moving precipitation
Occluded Front
When a warm air mass is caught between two cool air masses
stationary front
When a warm air mass and cool air mass meet and do not move. Results in long lasting precipitation
weather map
A map showing weather conditions for a particular area at a specific time
ocean currents
Directed movement of ocean water driven by tides, winds and differences in water density
hurricane
A severe tropical cyclone with winds exceeding 74 mph. Forms over warm ocean water, in tropical regions, between June and November.
density
The amount of mass in a given volume
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