Air Masses and fronts
A very large volume of air that has a certain temperature and moisture content.
Air mass
an h on a weather map stands for what?
high pressure
Two main kinds of ocean currents are what.
Deep and surface.
Movements of ocean water for below the surface are called.
Deep currents
scientist classifi air masses by the water content of what?
temperature and air
rain is shown by this on a weather map?
green
horizontal stream like movements of water that are found at or near the surface of the ocean
surface currents
The density of the ocean water is affected by these two things.
Temperature and salinity.
these air masses form over northern Canada.
Continental polar.
a prediction on a weather map is called what?
forecast
These winds push the water across the earths surface.
Global winds
This is a measure of the amount of salts or solids dissolved in a liquid.
Salinity
These air masses form over the northern pacific ocean.
maritime polar.
an L on a weather map stands for what?
low pressure
between 30 and 60 degree latitude the winds blow mostly in what direction?
west to east
This is the amount of matter in a given space or volume
density
a warm front forms when a warm air mass in over this.
cold air mass.
Ice is shown on a weather map by what color?
purple
The deflection of moving objects from a straight path because of the Earth's rotation is called the ?
Coriolis effect
which surface currents carries warm water along the equator toward the west coast of south america.
south equatorial