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Friday, November 30, 2012

What causes jet streams?

Jet streams are one of the most interesting phenomena that people never see, never experience, and probably don't understand. Yet, seldom does a TV meteorologist make it through a broadcast without mentioning them. So, what's all the fuss about? What causes them? How do we know where they are? I've tried to find answers to these questions AND figure out ways to make jet streams interesting to my students. This week's resource is a PowerPoint presentation that I put together based on what I learned. CLICK HERE to check it out. For best results, download the presentation to view it.

The key that helped me understand why there are jet streams was a "pressure block" activity that I did while taking the DataStreme (online) Course offered by the American Meteorological Society. Although I don't have students do the activity, I use photos of the blocks in my presentation. The topics covered in the PowerPoint are . . .

1. Jet Streams: What and where?

2. How do we know where they are?

3. Why are they important?

4. What causes them?

NOTE: The presentation is posted on www.slideboom.com - a free site that allows you to post up to 100 presentations, which students or colleagues can view or download. To view other presentations that I've posted type "rod benson" into the search box.

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