tornado watch

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Why Are Basketball Hoops 10 Feet High?

Bristlecone pine (Pinus Longaeva) on the slope of Mount Washington in Great Basin National Park in the Nevada desert.

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The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

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Cruel and Unusual Punishments: 15 Types of Torture

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Uninvited Guests: The 7 Worst Parasitic Worms

tornado watch

meteorology

Learn about this topic in these articles:

prediction of tornadoes

In tornado: Prediction and detection of tornadoes
…to the public as a tornado watch. A tornado warning is issued when a tornado has been spotted either visually or on a weather radar.
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