Air masses and fronts
What is an air mass?
A large body of air with the same temperature throughout
What is a weather map?
A map or a chart that shows meteorological at a given hour
How many things are ocean currents controlled by?
3 things
What is one thing that moves deep ocean currents?
Density in the water
Are currents powerful?
Yes
What is a front?
The place where 2 or more air masses meet
Whats the purpose of weather maps?
Research and weather forecasting
What affects how ocean currents run?
Global winds
What are deep ocean currents controlled by?
Changes in water density
Are weather and climate the same?
No
How many types of air masses are there in the US?
4
On a weather map what does the blue and red triangles together symbolize?
A stationary front
What do surface currents flow like?
Rivers in distinct powers
What are deep ocean currents?
A horizontal movement in water
Whats an Aquifer?
An underground layer of sand, gravel or rock that holds water
What's related between air masses and fronts?
Fronts are the collision of air masses
On a weather map what does blue triangles symbolize?
A cold front
What is one example of a large surface current?
The gulf stream
Is there more or less salt when the water is dense?
More
What are 4 types of precipitation?
Rain, Snow, Sleet, Hail
What happens to a warm air mass at a cold front?
The warm air masses gets pushed up
What does the letter L stand for on a weather map?
A region of Low pressure
What does the Coriolis effect cause in the northern hemisphere?
Currents in the northern hemisphere to turn clockwise
Where does deep ocean current circulation begin?
In North Atlantic
How often does weather change in the atmosphere?
By the minute