Topic

weather

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Editorial illustration showing a cross-section of the atmosphere with thin layers of warm and freezing air, turning a snowflake into a raindrop, then into an ice pellet

WEATHER SCIENCE

Why Is Wintry Mix Hard to Predict?

wintry mixweather

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Editorial illustration showing a classic barometer measuring changing atmospheric pressure as weather systems approach

WEATHER SCIENCE

How Does a Barometer Predict Weather?

barometerweather

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Lightning bolt striking during a nighttime storm with dark clouds overhead

A giant electrical spark

What Is Lightning?

Lightning is a massive electrical discharge caused by charge buildup in storm clouds. Here is why it happens, where it goes, and why thunder follows.

lightningelectricity

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