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Do Now

Do Now. What happens when a cold front moves in on a warm air mass? What happens when a warm front moves in on a cold air mass?. Cold front. Cold front meets and takes over a warm air mass Leads to: -Thunderstorms -Heavy rain -Snow -Cooler weather. The symbol for a cold front is:.

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Do Now

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  1. Do Now • What happens when a cold front moves in on a warm air mass? • What happens when a warm front moves in on a cold air mass?

  2. Cold front • Cold front meets and takes over a warm air mass • Leads to: -Thunderstorms -Heavy rain -Snow -Cooler weather The symbol for a cold front is:

  3. Warm Front • Warm front meets and overtakes a cold air mass (must be more warm air than cold air). • Leads to: - Long rains - Warm weather The symbol for a warm front is:

  4. Occluded Front • Cold front follows warm front until they meet another cold front. • Leads to: • Rain/snow • Cold air The symbol for a stationary front:

  5. Stationary Front • Cold front and warm front oppose each other but neither takes over the other. • Leads to: • Rain • Warm weather The symbol for a stationary front:

  6. Forecasting the Weather • Predicting what the weather will be like is tough. • With new technology, meteorologists can now tell what kinds of fronts are moving and where they are moving.

  7. So take a look… 1- What kind of front is moving through most of the country? 2- Why are there storms in Kentucky, West Virginia, and Ohio?

  8. Practice Another One… • What type of air do you think is in front of the large cold front? Why? • Name at least 4 states that should prepare ready for storms.

  9. Group Presentations

  10. 1 • Which cardinal direction (North, South, East or West) are these fronts moving? How do you know? 2. Why is it raining along one front, but not along the other (think about air types)?

  11. 2 • 1- What kind of front is moving through Texas? • 2- Look at Louisiana. A front just passed through it. • What kind was it? • What kind of weather MIGHT they have just experienced?

  12. 3 • Name all the fronts you see on this map. • Why are the storms stronger in the Northeast US than they are in the West?

  13. 4 • Why are there snow showers in the Northeast US? • What sort of weather should South Dakota have after the front passes?

  14. 5 • What type of air is the cold front running into in the Eastern US that is creating the storms? • What type of weather should New York City prepare for? How do you know?

  15. 6 • Why are the storms so strong in the middle states (Minnesota, Wisconsin, Indiana)? • Do you think the big storm will reach New York City? Why or why not?

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