TED-ED VID: How do tornadoes form?

[Ryan Goble]

How do tornadoes form? Lesson by James Spann, animation by Província Studio Tornadoes are the most violent storms on Earth, with wind velocities that can exceed 200 miles per hour. How do these terrifying cyclones form? Meteorologist James Spann sheds light on the lifespan of tornadoes as they go from supercell thunderstorms to terrible twisters before eventually dissolving back into thin air. View full lesson and follow Constantly Curious on Facebook Watch »