What causes weather?
The element that makes up most of Earth's atmosphere.
What is Nitrogen?
An instrument used to measure air pressure.
What is a barometer?
This is formed when one air mass comes into contact with another air mass. This is the boundary that forms between them.
What is a weather front?
This is the factor that determines whether a storm is classified as a tropical storm, a tropical depression, or a hurricane.
What are wind speeds?
The months where tornadoes typically occur. "Tornado season"
What are the months of March - July?
Earth receives all of its energy from this massive source.
What is the Sun?
Cooler, dense, sinking air that produces clear skies and fair weather.
What is a high-pressure system?
This forms when a warm air mass and a cool air mass come in contact, but neither pushes on the other.
What is a stationary front?
The name of the calm, center region of a hurricane.
What is the eye?
An area, from Texas to Indiana, where a high number of violently spinning funnel shaped clouds occur.
What is tornado alley?
Warmer, denser, rising air that usually produces cloudy skies and rainy weather.
What is a low-pressure system?
This forms when a cold air mass pushes into and under a warm air mass. This brings heavy rain, winds, and cold temperatures.
What is a cold front?
This is the deadly wall of ocean water that moves toward land during a hurricane.
What is storm surge?
This part of the United States is where tornadoes are most likely to occur.
What is the midwestern US?
This color is a better absorber of heat and light.
This is what a barometer would read if you took it to the top of a mountain.
What is low pressure?
This forms when a warm air mass pushes into and over a cold air mass. This brings light precipitation that lasts a few days.
What is a warm front?
The most destructive hurricane (to this day) to ever hit the US.
What is Hurricane Katrina?
***DAILY DOUBLE*** (800 pts if correct)
The four characteristics of a thunderstorm.
What are:
Lightning, thunder, strong gusty winds, and heavy rain?
*all four must be correct
Described by its five elements: temperature, air pressure, winds, moisture content/humidity, cloud cover.
What is weather?
A type of barometer that does not contain liquid / mercury, but instead contains air.
What is an aneroid barometer?
This forms when cool air is trapped and squeezed upward between a fast-moving cold front and a slow-moving warm front. This produces stormy weather.
What is an occluded front?
The category of hurricane which has wind speeds from 131-155 MPH, and where most roofs, walls, and windows are destroyed.
What is a category 4?
The names of 3 states you would avoid if you hate tornadoes.
Acceptable responses:
Texas, Oklahoma, Nebraska, Iowa, Indiana, Missouri, Kansas, Florida, Mississippi, Alabama