Midlatitude Cyclones, Lecture 4.1

1. What is the relationship between isobars on a constant altitude surface and the height contours on a constant pressure surface?

2. Figure 13.7 (a) and (b) in your book show height contours on the 500-mb surface.

(i) How is the air flowing over the Western half of the U.S.?

(ii) Where is the air flowing fastest?

(iii) Where is the horizontal air flow bringing lower temperatures and where is it bringing \ higher temperatures?

(iv) Where is the air sinking? Where is air coming up from below?

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