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Air Mass
Front Facts
Weather
Tornadoes and Hurricanes
100

What process of the water cycle forms clouds?

What is condensation.

100

a large body of air with similar temperature and moisture.

An Airmass 

100

What is it called where two air masses meet?

A front

100

What tool measures air pressure?

 A barometer.

100

How long does a tornado usually last?

5-10 minutes

200

What powers the water cycle?

What is the sun?

200

Where could we go to find a maritime tropical air mass?

The Caribbean, Bahamas, Florida....

200

A curved  line with red half circles on it is the symbol for a ?

A warm front

200

What is the condition of the atmosphere at a particular place and time.

Weather

200

Where do most tornadoes occur? 

The Midwest of the United States (Tornado Alley) 

300

rain, sleet, snow, and hail are examples of?

What is precipitation. 

300

Where could we go to find a continental tropical airmass?

The desert 

300

The weather forecast indicates that the weather will be turning cold very quickly with the chance of a tornado. What type of front would cause this?

A cold front.

300

What is used to measure wind speed?

An Anemometer 

300

When is hurricane season?

During the Fall and late Summer.

400

What causes the spin of a hurricane?

The Coriolis Effect

400

1. What do the words maritime, continental, polar, and tropical mean?

2. Describe the continental tropical (cT) airmass. 

1. wet (humid), dry, cold, and warm.

2. Dry and warm (desert)

400

This type of front brings many days of cloudy, wet weather.

A stationary front.

400

What tool is used to measure the humidity in the air?

A  hydrometer

400

What is the name of the scale that scientists use to rank tornadoes?

The Fujita scale.

500

This cloud is large, dark and high in the sky. It is associated with bad weather such as thunderstorms.

What is cumulonimbus.

500

What causes differences in air pressure around the world?

The uneven heating of the Earth. Warm air rises at the equator (low pressure). Cold air sinks at the poles (high pressure).

500

A warm air mass meets and rises above a cold air mass. What type of front would this create?

A warm front.

500

What would increase air’s ability to hold more water vapor?

An increase in temperature

500

What conditions would cause a hurricane to stop?

It would need to hit cooler water or land.

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