How do tornadoes form? - James Spann
View full lesson: http://ed.ted.com/lessons/how-do-tornadoes-form-james-spann Tornadoes are the most violent storms on Earth, with wind velocities that can exceed 200 miles per hour. How do...
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They call me the tornado chaser. When the wind is up and conditions are right, I get in my car and follow violent storms. "Crazy," you say? Perhaps, but really I chase these sky beasts to learn about them. I want to share with you what I know. Tornadoes are rapidly rotating columns of air that form inside storms that connect with the ground via a funnel of cloud. When that happens, they tear across the Earth, posing a huge threat to life and property. Because of this, there's a great deal of research into these phenomena, but the truth is, there's still a lot we don't know about how tornadoes form. The conditions that may give rise to one tornado won't necessarily cause another. But we have learned a lot since people first st...
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They call me the tornado chaser. When the wind is up and conditions are right, I get in my car and follow violent storms. "Crazy," you say? Perhaps, but really I chase these sky beasts to learn about them. I want to share with you what I know. Tornadoes are rapidly rotating columns of air that form inside storms that connect with the ground via a funnel of cloud. When that happens, they tear across the Earth, posing a huge threat to life and property. Because of this, there's a great deal of research into these phenomena, but the truth is, there's still a lot we don't know about how tornadoes form. The conditions that may give rise to one tornado won't necessarily cause another. But we have learned a lot since people first st...
