Air Masses, Wind, and Fronts

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Air Masses, Wind, and Fronts

• Pages 76-82

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Air Masses

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Wind

• Wind comes from differences in atmospheric
  pressure and temperature

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Cold Front

• Warm air rises, cold air slide under the warm air
• Warm air cool and forms clouds
• Precipitation storm
• Colder temperature

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Cold Front
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Warm Front

• Warm air rises, cold air sinks
• Clouds form
• Precipitation scattered showers
• Warm temperature and humid

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Warm Front
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Stationary Front

• A cold and warm air mass meet, but neither one
  has enough force to move the other.
• A standoff occurs

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Occluded Fronts

• When a cold air mass and a cool air mass come
  together, the warm air caught between them is
  forced upward.

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Symbols on a Map
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Name the Fronts
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Name the Fronts