Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
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-40 degrees Celsius is equal to -40 degrees Fahrenheit.
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The Earth sees about 760 thunderstorms every hour, scientists have calculated.
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9 out of 10 lightning strike victims survive!
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The speed of a typical raindrop is 17 miles per hour.
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Moist air holds heat better than dry air.
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It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
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Snowiest city in the U.S. : Blue canyon, California.
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