Reading a Weather Map: Fronts and Pressure

Air Masses and Fronts

By Donna Kelly

Multiple Choice

A ___________________ studies weather and predicts upcoming changes in the weather.

• meteorologist

• astronaut

Air Mass

A large body of air that has the same temperature and moisture level throughout. Thre are 4 types of air masses in the UnitedStates.

Multiple Choice

• Low Clouds

• Low Temperatures

• Light Wind

• Low Air Pressure

Multiple Choice

• High Air Pressure

• High Temperatures

• Heavy Rain

• Hail

Front

​The boundary where 2 air masses meet and weather occurs.

​Stationary Front

• Forms when a cold front or warm front stops moving

• The 2 air masses are pushing against each other, but neither is powerful enough to move the other

• Creates seveal days of rainy weather

Multiple Choice

• Warm Front

• High Air Pressure

• Cold Front

• High Temperatures

​Cold Front

• Cold air mass pushes warm air mass up

  ​

• Cumulous clouds form

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• Heavy rain, thunderstorms, and snow occur at a cold front​

Multiple Choice

It has been thundering and lightning all day and Mrs. Kelly's dogs are scared. When it finally calms down, she takes Britney outside to use the bathroom. Mrs. Kelly notices that is has gotten really cold outside, but at least it isn't raining anymore. What kind of front caused today's weather?

• Cold Front

• Warm Front

• Stationary Front

• Occluded Front

Multiple Choice

A cold front is approaching Minneapolis. What will happen to the air temperature?

• stay the same

• increase

• decrease

Multiple Choice

• High Pressure

• Warm Front

• Cold Front

• Mountains

​Warm Front

• Warm air mass stretches over coldair mass

  ​

• Stratus clouds are formed

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• Steady light rain or snow occur at a warm front​

Multiple Choice

What instrument is used to measure temperature?

• Thermometer

• Rain Gauge

• Wind Sock

Multiple Choice

Which city has the highest the highest temperature?

• Dallas

• Chicago

• Los Angeles

• Miami

Multiple Choice

It has been raining off and on today. When the rain finally stopped, Mrs. Kelly takes her dogs Brittany and Maya for a walk, but it's very warm outside so they don't walk long. What kind of front cause today's weather?

• Cold Front

• Warm Front

• Stationary Front

• Occluded Front

Multiple Choice

It has been raining for days and Mrs. Kelly wants to wash her car. What kind of front do you think could have caused all this rain?

• Cold Front

• Warm Front

• Stationary Front

• Occluded Front

Multiple Choice

Which city is currently experiencing a snow storm?

• Seattle

• Los Angeles

• Chicago

• New York