Tornadoes -- Science Behind the News

You are subscribed to Images and Video for National Science Foundation Update. This information has recently been updated, and is now available. Tornadoes -- Science Behind the News 09/06/2012 11:09 AM EDT Tornadoes Tornadoes are violent, twisting columns of air with wind speeds over 100 miles per hour that can tear communities apart. Josh Wurman, an atmospheric scientist, explains that tornadoes develop in a special type of thunderstorm called a supercell, but says there are still mysteries to ... This is an NSF Multimedia Gallery item. This e-mail update was generated automatically based on your subscription to the category listed above. Some updates may belong to more than one category, resulting in duplicate messages.   Subscriber Services: Manage Preferences  |  Unsubscribe  |  Help  |  Contact NSF   Follow NSF:  This email was sent to filter@clubhouseb.com using GovDelivery, on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111