Giant Atmospheric Waves Over Iowa
Click on the image below to see an undular bore in action:
![Atmospheric Waves](http://science.nasa.gov/headlines/y2007/images/undularbore/iowabore_strip.jpg)
See NASA’s website for the entire story.
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Click on the image below to see an undular bore in action:
See NASA’s website for the entire story.
Podcast: Play in new window | Download