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Fronts
Air Masses
Hurricanes
Tornadoes
Other Vocabulary
100
This is where two air masses meet and do not mix.
What is a front?
100
This is a huge body of air with similar temperature, humidity and air pressure.
What is an air mass?
100
This is the speed winds must reach in order for a a storm to reach hurricane status.
What is 74 mph?
100
This is the movement of a liquid or gas in a spiral around a central axis.
What is a vortex?
100
This is a disturbance in the earth’s atmosphere involving lightning and thunder.
What is a thunderstorm?
200
This type of front occurs when warm air slides over the cold, dense air.
What is a warm front?
200
This type of air mass forms over tropical areas and is associated with warm air and low air pressure.
What is a tropical air mass?
200
This is the scale used to categorize hurricanes.
What is the Saffir-Simpson Hurricane Scale?
200
This is the scale used to categorize a tornado.
What is the Fujita Scale?
200
This is a massive wall of water that builds up at sea and blows in to land.
What is a storm surge?
300
This type of front occurs when a warm air mass is trapped between two cold air masses.
What is an occluded front?
300
This type of air mass forms over oceans and brings humidity.
What is a maritime air mass?
300
This is hurricane-like storm off the coast of Australia and in the Indian Ocean.
What is a cyclone?
300
This is how the Fujita Scale measures/ categorizes a tornado.
What is level of damage?
300
This is a rapidly, rotating cloud becomes a visible funnel at the base of a cloud.
What is a funnel cloud?
400
This is front occurs when warm and cold front meet and creates a “stand off”.
What is a stationary front?
400
This type of air mass forms on land and associated with dry air.
What is a continental air mass?
400
This is a hurricane-like storm in the Western Pacific Ocean.
What is a typhoon?
400
This is issued when the weather conditions are right for a tornado, but one has not been spotted.
What is a tornado watch?
400
This is a violent windstorm that spirals around a rotating column of air.
What is a tornado?
500
This type of front occurs when a cold air mass slides under warm air and pushes it up.
What is a cold front?
500
This type of air mass forms over polar regions and is associated with cold air and high air pressure.
What is a polar air mass?
500
This was the biggest problem associated with Hurricane Katrina.
What is flooding?
500
This is an area in the Unites States that has an abundance of tornadoes.
What is tornado alley?
500
This is issued when a tornado has been spotted.
What is a tornado warning?