Layers of the Atmosphere
What is the lowest layer of the atmosphere
Troposphere
What type of air mass forms over land?
Continental
What type of front indicates cold air is moving into an area?
Cold front
What is the name for clouds that form near the ground?
Fog
What type of air forms over oceans?
Maritime
What layer is considered the middle layer? Hint it's name means middle.
Mesosphere
How would we describe the temperature of polar air?
Cold air
This type of front occurs when two air masses stall (don't move) and usually brings rain that can last for multiple days
Stationary front
These clouds look like cotton and their name means "heap" or pile in Latin
Cumulus clouds
Tropical air is...
warm air
What are the four layers in order from low to high?
Troposphere, Stratosphere, Mesosphere, Thermosphere
A maritime tropical air mass has what two qualities?
Warm and humid
Cold air sinks because it is ___________ than warm air
heavier or denser
These clouds form in flat layers and usually cover all or most of the sky.
Stratus clouds
What layer of the atmosphere contains our weather?
Troposphere
What layer of the atmosphere contains the ozone layer?
Stratosphere
A continental polar air mass has what type of qualities?
Cold and dry
This front usually brings light rain and warmer temperatures
Warm front
These feathery looking, high in the sky clouds are usually made of ice crystals?
Cirrus clouds
These are huge, towering clouds that often produce thunderstorms.
Cumulonimbus clouds
Ionosphere
What type of air mass largely influences Tualatin's weather?
Maritime Polar
This type of front occurs when two different cold air masses block a warmer air mass.
Occluded front
What are the two conditions needed for clouds to form?
Cooling air and dust particles
What are the four different air masses?
Maritime polar
Maritime tropical
Continental polar
Continental tropical