Also on MNN:
- 2011 tornado death toll tops 500 and season not over
- Safe rooms, prefab shelters and tornado-proof homes
- Tornadoes could be caused by La Nina
- Top 10 tornado videos
- Photos: 10 terrifying twisters
- Explainer: What causes tornadoes?
- See more MNN infographics
Editor's Note: This infographic has been updated since it originally appeared on June 8, 2011.
Infographic: Tornadoes of 2011
Tornadoes have plagued the U.S. in 2011, leading to record death tolls and property damage across the country. To grasp the scope of devastation, MNN breaks dow