Weather Systems
Weather Vocab
Weather Events
Oceans
Wind
100
A line with triangles AND semi-circles on the SAME side represents which type of front?
Occluded front
100
The amount of evaporated water in the air.
What is humidity?
100
What are the two key ingredients necessary for a hurricane to form?
Warm water and low pressure system.
100
London enjoys relatively mild winters thanks to which warm ocean current?
Gulf Stream
100
What is the name of the fast air current that is several miles above the ground and encircles the Earth?
Jet Stream
200
What kind of weather can you expect with a high pressure system?
Clear and sunny
200
The apparent curving of wind/water due to Earth's rotation.
What is the Coriolis effect?
200
When winds over the Pacific ocean reverse and blow warm water toward the Americas. Happens every 2-7 years.
What is El Nino?
200
Currents at the top of the ocean that can affect the weather by warming or cooling the air above them are called what?
Surface Currents
200
Wind is caused by differences in air _________________.
Pressure
300
When a cold air mass moves into an area and sinks beneath warmer air, pushing it up and away.
What is a cold front?
300
The amount of salt in a body of water.
What is salinity?
300
How are hurricanes classified?
By their wind speed
300
California coastal cities enjoy moderate temperature changes throughout the year thanks to which polar ocean current?
California Current
300
What provides the energy that drives convection on Earth?
The Sun
400
What kind of weather can you expect with a low pressure system?
Cloudy
400
Mass divided by volume
What is density?
400
Why are hurricanes in the Atlantic most common between June through September?
That is when the water is warmest.
400
What two factors can affect the density of water?
Temperature and Salinity
400
Which direction does the wind blow in a Sea Breeze?
From the ocean towards the land
500
When a cold air mass and a warm air mass collide and push against each other but do not move.
What is a stationary front?
500
The short-term state of the atmosphere at a given time or place.
What is weather?
500
The deadliest hurricane in US history occurred where?
Galveston
500
What currents are caused by differences in the density of water?
Deep Ocean Currents
500
A destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system.
What is a tornado?
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