Weather Wars (Fronts)
What is a front?
the boundary between two air masses
What is the condition of Earth’s atmosphere at a certain time and place?
Weather
What causes wind?
When a high pressure system goes to a low pressure system. The greater the difference, the stronger the wind.
Warm air rises and cold air rushes in to take it's place.
In what direction does air exert pressure?
Regarding a weather map, in what direction do the fronts move in?
In the direction the symbol is pointing.
How is a high pressure system formed?
cool air sinks
How does a cold front form?
When a cold air mass pushes under a warm air mass, forcing the warm air mass to rise.
What is the measurement of heat that an object has?
Temperature
What kind of weather does a low pressure system bring?
cooler, cloudy, rainy
In high pressure systems the air molecules....
are sinking down making them closer together/more dense.
What kind of front involves 3 different air masses?
Occluded Front
What is created by a difference in air pressure?
Wind
A narrow band of strong winds that come from the west and circle the globe?
Jet stream
What is the amount of water vapor in the air?
Humidity
What is the force of the atmosphere on the surface of the earth?
Air pressure
What causes difference of air pressure around earth?
Continual, directional movement of sea water? Their temperature generally stabilizes the weather in coastal regions, not as many extreme changes.
Ocean Currents
What does the H represent on a map and how does the wind move?
High pressure. In our area, High pressure and clockwise Low pressure is counter clockwise. ( L)
What kind of weather does an occluded front bring?
Strong winds and heavy rain.
What forms when water vapor condenses in the atmosphere?
Clouds
System that allows water to cycle around the globe?
Water Cycle
If a high pressure system is moving in, followed by a low pressure system, what kind of weather would you expect?
cooler and clear followed by warmer and rainy
What kind of weather is associated with a cold front?
Thunderstorms, heavy rains
What kind of front could create tornadoes?
Occluded front
How does an occluded front form?
The weather conditions in an area over a long period of time?
Climate
What causes a low pressure system?
warm air rises and condenses as it cools
Where do areas of high pressure go?
to areas of low pressure.
Along a front, which air is forced upwards?
Warmer, less dense air
What kind of front has sunny weather?
No front