In a high pressure systems
there are few clouds because the air in moving downward
there are many clouds because the air is very humid
there are few clouds because the air is moving outward
there are many clouds because the air is moving upward
A front is
where warm air is cooling at earth's surface
a boundary where hot and cold air are separating
a boundary where two different air masses meet
where cold air is rising and forming rain clouds
Air masses are named for ______.
the type of air they contain
where they form
What is an air mass?
a place where weather always changes in an extreme way
a large body of air with the same temperature and moisture
any cloud that produces rain, sleet, snow or hail
any kind of air, as long as it is always wet and freezing
What is the purpose of a barometer?
Tells you that it is going to rain.
Measures the amount of wind.
Measusres the amount of clouds in the sky.
It measure the amount of pressure in the air.
What would you expect from a Continental Polar air mass?
moist, warm air
dry, cold air
dry, warm air