1. Why JetStream?
2. The Atmosphere
3. The Ocean
4. Global Weather
5. Clouds
6. Synoptic Meteorology
7. Thunderstorms
8. Lightning
9. Derechos
10. Tropical Weather
11. Doppler Radar
12. Remote Sensing
13. Tsunamis
14. Weather on the Web
15. The National Weather Service
16. Appendix

• Additional Info:
• Lesson Plan Overview
• Topic Matrix
• JetStream News

Color Your World

Tornadoes can last from several seconds to more than an hour but most last less than 10 minutes.
Color the picture by clicking on a color swatch at the bottom of the image then click on the image where you want to apply that color. Color off-line by downloading and printing the pdf version.

Tornadoes can last from several seconds to more than an hour but most last less than 10 minutes. The size and/or shape of a tornado is no measure of its strength. Occasionally, small tornadoes do major damage and some very large tornadoes, over a quarter-mile wide, have produced only light damage.

Learn more about tornadoes and tornado safety in JetStream - An Online School for Weather.

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