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| File name: |
Tornadoes.swf |
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| Title: | Tornado Wind Patterns. |
| Caption: | This animation first shows how vertical wind shear can lead to air spinning around an axis parallel to the ground. An updraft then creates a thunderstorm and moves the spinning air axis to a vertical position, leading to a fully developed mesocyclone with tornado. |
| Keywords: | atmosphere, tornadoes, mesocyclones, severe thunderstorms |