Air masses and fronts
What is a Front?
A place where two air masses meet.
What makes Deep currents different then surface currents?
They are deep under water while surface currents are on the surface of the water.
How fast can surface currents travel?
5-50 cm or 2-20 in a second.
What is a weather map?
A map displaying different weather across the world.
What is a warm front formed over land called?
cT
What are deep currents?
They are stream like movements under the water.
What factors affect currents?
Global winds, coriolis effect, and continental deflection.
What dose the blue curve with triangles mean?
A cold front.
What do you call an air front that is cold and formed over an ocean?
How far down do deep currents go?
How long can these currents get?
Up to 1000km.
What dose a weather map help to do?
It helps some one read the weather across a large area.
How dose a warm front form?
When a warm air mass moves over a cold air mass that is leaving the area.
What causes deep currents?
Density
What do surface currents do?
They transfer heat from the tropics to the polar regions and change local and global climate.
What dose a "red L" mean?
Low pressure.
True or false?; A stationary front is the same as a warm front?
False
Where is the most dense water found?
At the poles.
How much water dose the gulf stream transport?
25 times all of the water form every river in the world.
Who invented the weather map?
Sir Francis Galton