A quantity that can change.
What is a variable?
Pg: 451
Forms over Siberia and the Arctic.
What are Arctic air masses?
pg: 461
The foremost part or surface of something.
What is a front?
pg: 462
To exert the guiding influence on.
What is dominate?
Pg: 464
Describes wind, temperature, and humidity conditions above Earth's surface.
What is an upper-air report?
Pg: 471
Energy an object has due to its motion.
What is kinetic energy?
pg: 452
Classified by their temperatures and moisture characteristics.
What are Air masses?
pg: 460
Glides above cold air.
What is a Warm air mass?
pg: 463
Also known as Electrical storms.
What is a thunderstorm?
Pg: 464
A specialized type of radar that can detect precipitation as well as the movement of small particles.
What is a Doppler radar?
pg: 472
When humidity is high there is more of this.
What is water vapor?
pg: 452
Forms over the western Atlantic Ocean, the Gulf of Mexico, and the eastern Pacific Ocean.
What are Maritime tropical air masses?
Pg: 461
Moves toward warmer air masses.
What is a Cold front?
pg: 462
A violent, whirling column of air in contact with the ground.
What is a tornado?
Pg: 465
Describes wind, temperature, and humidity conditions above Earth's surface.
What is a surface report?
pg: 471
As air moves from areas of high pressure to areas of low pressure, it creates this.
What is wind?
pg: 452
Forms over dry, desert land.
What are Continental tropical air masses?
pg: 461
When the boundary between two air masses stalls.
What is a stationary front?
Pg: 463
Nickname for the place that experiences the most tornadoes in the United States.
What is Tornado Alley?
Pg: 465
Images taken by this orbit around 35,000 km above Earth, which provide information about weather conditions.
What is a satellite?
pg: 472
Relative humidity is measured by this tool.
What is a psychrometer?
pg: 453
Extremely cold temperatures often last for three to four days in a row here.
What is The Northern United States?
Pg: 460
When a fast-moving cold front catches up with a slow-moving warm front.
What is an Occluded front?
Pg: 463
Method for classifying tornadoes.
What is the Enhanced Fujita Scale?
Pg: 465
A visible light image shows white clouds over Earth.
What is a satellite image?
Pg: 472