air pressure drives the wind and creates the weather. air pressure drives the wind and creates the...

Air Pressure drives the wind and Air Pressure drives the wind and creates the weather.creates the weather.

Copyright © 2010 Ryan P. Murphy

Warm air rises, cool air sinks. Warm air rises, cool air sinks. Warm is low pressure, Cold is High Warm is low pressure, Cold is High

Pressure.Pressure.

Copyright © 2010 Ryan P. Murphy

Warm air rises,Warm air rises, Warm is low pressure, Cold is High Warm is low pressure, Cold is High

Pressure.Pressure.

Copyright © 2010 Ryan P. Murphy

Warm air rises,Warm air rises, Warm is low pressure, Cold is High Warm is low pressure, Cold is High

Pressure.Pressure.

Copyright © 2010 Ryan P. Murphy

Warm air rises,Warm air rises, cool air sinks.cool air sinks. Warm is low pressure, Cold is High Warm is low pressure, Cold is High

Pressure.Pressure.

Copyright © 2010 Ryan P. Murphy

Warm air rises,Warm air rises, cool air sinks.cool air sinks. Warm is low pressure,Warm is low pressure,

Copyright © 2010 Ryan P. Murphy

Warm air rises,Warm air rises, cool air sinks.cool air sinks. Warm is low pressureWarm is low pressure, , Cold is High Cold is High

Pressure.Pressure.

Copyright © 2010 Ryan P. Murphy

• Which of the pictures is High Pressure?

• Which of the pictures is High Pressure?

• Which of the pictures is Low Pressure?

• Which of the pictures is Low Pressure?

• Which of the pictures is Low Pressure?

• Which of the pictures is Low Pressure?

• Which letter below would have warm surface temperatures?

A

B

CD

E

• Which letter below would have warm surface temperatures?

A

B

CD

E

• Which letter below would have cooler atmospheric temperatures?

A

B

CD

E

• Which letter below would have cooler atmospheric temperatures? C and E

A

B

CD

E

Cold Front: Cold Front: Form where Form where cold aircold air moves towards moves towards warm airwarm air. . Creates rain storms.Creates rain storms.

Copyright © 2010 Ryan P. Murphy

Cold Front: Cold Front: Form where Form where cold aircold air moves towards moves towards warm airwarm air. . Creates rain storms.Creates rain storms.

Copyright © 2010 Ryan P. Murphy

Cold Front: Cold Front: Form where Form where cold aircold air moves towards moves towards warm airwarm air. . Creates rain storms.Creates rain storms.

Copyright © 2010 Ryan P. Murphy

Direction of travel

Direction of travel

Cold

ColdWarm

ColdWarm

ColdWarm

ColdWarm

Cold

Cold

Cold Warm

ColdWarm

ColdWarm

Cold

“Honey, I think it’s time to get

our stuff together.”

Cold Air

Cold Air

Warm Air

Cold Air

Warm Air

Rain

• Video (Optional) Cold Front Time Lapse.– http://www.youtube.com/watch?v=i8zq0UXPLX0

Warm Front: Warm Front: Form where Form where warm airwarm air moves towards moves towards cold aircold air. .

Copyright © 2010 Ryan P. Murphy

Warm

Warm

Cold

Warm

Cold

Warm

Cold

Warm

Cold

Warm

• Challenge Activity! Which letter best represents a warm front?

C DB

A

E

F

• Challenge Activity! Which letter best represents a warm front?

C DB

A

E

F

• Challenge Activity! Which letter best represents a cold front?

C DB

A

E

F

• Challenge Activity! Which letter best represents a cold front?

C DB

A

E

F

• Challenge Activity! Which letter best represents high pressure?

C DB

A

E

F

• Challenge Activity! Which letter best represents high pressure?

C DB

A

E

F

• Challenge Activity! Which letter best represents low pressure?

C DB

A

E

F

• Challenge Activity! Which letter best represents low pressure?

C DB

A

E

F