Weather Fronts #1
Describe a cold front?
Cooler air mass pushes under a warm air mass, forcing the warm air mass to rise.
What is the condition of Earth’s atmosphere at a certain time and place?
Weather
Which temperature of air is more dense? Cold or warm
cold
What symbol is used to represent a stationary front?
line with triangles and half circles.
What kind of weather does an occluded front bring?
Severe weather, thunderstorms, possibly tornados
What is the measure of how hot or cold something is?
Temperature
cold, cloudy, rainy
Describe the weather associated with high pressure?
happy weather, clear skies, dry weather
What does the H represent on a map?
High pressure
Where should you go if there is a tornado?
interior room, bathroom or closet, no windows
Why does a stationary front stay in the same location?
cold front and warm front collide, moving in opposite directions
What kind of weather is associated with low pressure?
rain, clouds, frontal systems
If a high pressure system is moving in, what kind of weather would you expect?
clear and dry
What kind of weather is associated with a cold front?
cooler temperature, possible thunderstorms
How does an occluded front form?
When a cold front catches up to a warm front
Which direction does weather move in North America?
West to East, North to South
What is the force of the air called that presses down on the surface of the earth?
Air pressure
Does warm air rise up or sink down?
It rises
Why does weather move from West to East across North America?
The jet stream
What is a front?
the boundary between two air masses
How do you know which direction a weather front is moving?
In the direction the symbol is pointing.
What forms when water vapor condenses in the atmosphere?
Clouds
Why is the pressure of warm and cold air different?
density, atoms more or less packed together
Along a front, which air is forced upwards?
Warmer, less dense air