Surface Currents
How long are surface currents?
Thousands of kilometers.
What causes deep currents?
Changes in density.
How many types of air masses are there in the US?
4
What air density do cold fronts have?
High density
What does the H on a weather map mean?
High pressure
How deep do surface currents go?
0-200 meters down
What are 2 ways that density in ocean water can increase?
Changes in air temp., and changes in salinity
What direction do air masses in the US move?
East
What air density do warm fronts have?
Lower density
What does the L on a weather map mean?
Low pressure
If Earth had no land what would it do to the currents?
The currents wouldn't bounce off them and just keep going
What happens if the density in water changes?
Deep currents are formed
In the US how far do air masses usually travel?
Across the entire country
What tempurature of weather do warm fronts bring?
Warm weather
What kind of weather does the symbol that only has triangles bring?
Cold weather
What does the Coriolis Effect do?
It causes currents to turn instead of moving in a straight line
What causes the Corialis Effect?
Earth's rotation
What type of weather do air masses in the US cause?
All types of weather
What tempurature of weather do cold fronts bring?
Cold weather
What kind of weather does the symbol that only has half circles bring?
Warm weather
In what direction does the Gulf stream flow?
North-east
Witch type of water has more salinity, warm, less salty water or cold, saltier water
The cold, saltier water
Where do air masses in the US typically come from?
Canada
What density do stationary fronts have
Both high and low density's
If the symbol with only triangles was over Hudson, Texas what letter would it have?
An H