ics+hen18+weather+fronts

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Begin work on the assignment. The purpose of this module is to introduce air masses and weather fronts.. You will be able to describe from where they originate and some basic properties about each air mass affecting the United States.

Weather FrontsRead the information about Weather Fronts

View: Cold and Warm Front Demonstration

Answer the questions below.

What happens when different types of are air masses collide? it would start to move and start to evaporate and make clouds then it would by pushing it up by warm air

What are the boundaries of air mass called?

Define an air mass?

How large may an air mass be?

What does the term moist mean.

If an air mass is humid what does that mean?

Describe an air mass which forms over Canada in terms of its temperature and moisture.

Describe an air mass that forms over a desert in terms of its temperature and moisture.

Describe an air mass that forms over water in Gulf of Mexico in terms of its temperature and moisture.

In the area of the Unites states, which way do cold air masses move? (North or South)

In the area of the Unites states which way do warm air masses move?

Why are Canadian air masses considered to be dry air masses?

What happens when a warm humid air mass meat a cold dry air mass?

Why can cold air masses from Canada make it all the way down to the Gulf of Mexico?

What is a front?

What typically happens when two different types of fronts collide?

What are the three types of fonts?

Describe the temperature of the air behind a cold front.

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Looking at the diagram above, which state has a temperature of 380F?

Looking at the diagram above, which state has a temperature of 550F?

Looking at the diagram above, what would you expect the temperature of Illinois to be in three days? EXPLAIN!

How does the temperature of an area change as a cold front passes?

What does precipitation mean?

What type of precipitation occurs when a cold front passes?

Describe the type of air behind a warm front?

In which direction do warm fronts typically move.

What type of precipitation usually occurs when a warm front passes by

Label the two fronts on the diagram below:

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How is cold front diagrammed?

How is a warm front diagrammed?

What is a stationary front?

How is a stationary front diagrammed?

When warm air contacts cold air, which air mass typically rises above the other?

Which of the following is a diagram of cold front and which is the warm front?

external image image005.jpg external image image007.jpg On the diagram below:

How are cold fronts diagrammed?

How many cold front are there on the diagram?

In which direction is the front over Washington and Oregon traveling? How do you know?

In which direction is the front over North Carolina traveling?

On the diagram below:

How is the warm front diagrammed?

In which direction is the warm front traveling?

What do you call the front that is over the middle of Canada?

Surface Map - Today (AccuWeather)

Surface Map - Today (AccuWeather) If it is snowing in Great Neck, what type of air mass must be present?

If its very hot in October in Great Neck, what type of air mass must be present?

Assuming a warm front is moving into the area, there is a stagnant (non-moving) cold air mass around Great Neck, what type of precipitation might we expect? How long might it last?

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