How Do Tornadoes Form?

A quick explainer from storm chaser Tim Samaras 

Tornadoes are complex and tough to predict but this short documentary from NASA is a good introduction to how they work. Researcher Tim Samaras explains how different weather systems collide across the central U.S. to create tornadoes. Satellite imagery and a "turtle probe" that Samaras designed help researchers identify where storms might occur. 

Alexis Madrigal's "Tornadoes in America: The Oklahoma Disaster in Context" has more on the science of the storm that hit Moore, Oklahoma.  

For more videos from NASA, visit http://www.nasa.gov/.

Kasia Cieplak-Mayr von Baldegg is the executive producer for video at The AtlanticMore

Cieplak-Mayr von Baldegg joined The Atlantic in 2011 to launch its video channel and, in 2013, create its in-house video production department. She leads the development and production of original documentaries, interviews, and other video content for The Atlantic. Previously, she worked as a producer at Al Gore’s Current TV and as a content strategist and documentary producer in San Francisco. She studied filmmaking and digital media at Harvard University.

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