Relative Humidity & Clouds
Precipitation
Air Masses
Storms
Potpourri
100
This is the amount of moisture in the air.
Humidity
100
What needs to occur in order for it to rain?
Clouds become saturated
100
What are the two characteristics that air masses are classified by?
Temperature and Humidity
100
Storms are produced in what type of pressure system?
Low
100
This is a funnel shaped cloud that makes contact with the ground.
Tornado
200
These are the clouds make up of ice crystals found high up in the sky.
Cirrus
200
Describe and Sketch how both Freezing Rain and Sleet form.
1. Freezing Rain- deep layer of warmth, freezes on contact 2. Sleet- shallow layer of warmth, refreezes into pellets
200
What type of air mass originates over the north pacific ocean and affects Washington state?
Maritime Polar
200
This is the biggest danger posed by a winter storm?
Low wind chills
200
This is the name for the counter-clockwise flow of a low pressure system.
Cyclone
300
As temperature rises, relative humidity becomes..?
Lower
300
In what type of clouds does hail form?
Cumulonimbus
300
This is the type of weather that a cold front brings.
Short duration, possibly violent storms
300
This is the biggest danger posed by a winter storm?
Low wind chills
300
Describe how the weather is different in Canton when: A.High pressure is to our northwest B.High pressure is to our southeast
A: cool and dry B: warm and humid
400
What tall clouds make up a thunderstorm?
Cumulonimbus
400
What is this a picture of?
Virga
400
Which type of front does this represent?
Stationary Front
400
This is the biggest danger posed by a hurricane.
Storm Surge
400
Which way does air flow in a high pressure system?
Away from the high
500
What two conditions are needed for a cloud to form?
Cooling air, particles
500
What type of precipitation almost never falls in the winter?
Hail
500
This type of front occurs when a warm air mass is cut off from the ground by two cooler air masses.
Occluded Front
500
What provides the fuel for a hurricane?
Warm ocean water
500
If you are in San Diego, CA and the wind is blowing from the southwest, what kind of air mass would you expect?
Maritime Tropical
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