metrology q and a 3

Metr 10: Activity 8

Due: Wednesday, November 21st 2018 (at 11:59 P.M.)

Submit electronically via Canvas (.doc, .docx, or .pdf format).

Please use complete sentences.

Email or see me in office hours if you have questions.

Each question is worth 1 point (10 points total for this activity).

1. What is an air mass?

2. Why is continental polar air a welcome relief to the Midwest in the summer, but unwelcome in the winter?

3. Which air mass only forms in summer over the southwestern USA?

4. Why are the boundaries between air masses more distinct in winter than summer?

5. What is a cold front? How is it drawn on a weather map? What weather occurs during passage of a cold front?

6. What is a warm front? How is it drawn on a weather map? What weather occurs during passage of a warm front?

7. What are the six stages of development of a mid-latitude cyclone, according to polar front theory? Describe each stage.

8. List four regions in North America where mid-latitude cyclones tend to develop.

9. If upper-level divergence exceeds surface convergence, will a surface cyclone strengthen or weaken? Why?

10. In the wintertime over the eastern half of the USA, why do surface lows undergoing cyclogenesis generally move toward the northeast?

Metr 10: Activity 8

Due: Wednesday, November 21st 2018 (at 11:59 P.M.)

Submit electronically via Canvas (.doc, .docx, or .pdf format).

Please use complete sentences.

Email or see me in office hours if you have questions.

Each question is worth 1 point (10 points total for this activity).

1. What is an air mass?

2. Why is continental polar air a welcome relief to the Midwest in the summer, but unwelcome in the winter?

3. Which air mass only forms in summer over the southwestern USA?

4. Why are the boundaries between air masses more distinct in winter than summer?

5. What is a cold front? How is it drawn on a weather map? What weather occurs during passage of a cold front?

6. What is a warm front? How is it drawn on a weather map? What weather occurs during passage of a warm front?

7. What are the six stages of development of a mid-latitude cyclone, according to polar front theory? Describe each stage.

8. List four regions in North America where mid-latitude cyclones tend to develop.

9. If upper-level divergence exceeds surface convergence, will a surface cyclone strengthen or weaken? Why?

10. In the wintertime over the eastern half of the USA, why do surface lows undergoing cyclogenesis generally move toward the northeast?

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