Fronts

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Fronts

  1. 1. Predicting the Weather Fronts
  2. 2. Fronts What do you think a Front is? How do you think Fronts form and how do they affect the weather? TURN AND TALK to discuss, then share answers as a class.
  3. 3. Fronts Weather maps not only show air masses but they show fronts as well. A front is a place where two different air masses meet.
  4. 4. Fronts - draw the pictures in your notebook Triangles show a cold front Half circles show a warm front The triangles and half circles point in the direction in which the front is moving.
  5. 5. Fronts At a cold front, a cold air mass bumps against a warm air mass. Strong storms happen at cold fronts. Thunderstorms are likely in warm weather. In winter, snowstorms are likely. When a cold front passes over an area, the temperature drops.
  6. 6. Fronts At a warm front, a warm air mass meets a colder air mass and slowly rises over it. Stratus clouds form at warm fronts. They often bring rain. After a warm front passes over an area, the temperature rises.
  7. 7. Fronts A stationary front forms when two air masses meet and stop moving. Stationary fronts bring clouds and precipitation, sometimes lasting for several days.
  8. 8. Fronts Cold Front Warm Front

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