Understanding Thunderstorms Understanding thunderstorms Latest severe storm, tornado watches USATODAY.com`s storm center contains all the links you`ll need to find the latest severe weather information. The Storm Prediction Center is the source for severe thunderst... http: //usatoday.com/weather/wtsm0.htm
Understanding lightning Lightning information index. Lightning creates thunder. By definition, a thunderstorm has thunder, which means it has lightning even if you don`t see it. How lightning reaches the ground. http: //usatoday.com/weather/wlightn0.htm
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